In addition to snow history, you can also view the mountain's Base Depth by selecting it from the dropdown. Find the most current and reliable weekend weather forecasts, storm alerts, reports and information for Keystone, CO, US with The Weather Network. The clearest day of the month is 1 December, with clear, mostly clear, or partly cloudy conditions 59% of the time. For reference, on 15 July, the hottest day of the year, temperatures in Keystone typically range from 9°C to 21°C, while on 28 January, the coldest day of the year, they range from -11°C to -3°C. At Keystone, skiing and snowboarding is just the beginning. Temperature and Dew Point. Winter Festivals and Free Concerts. There are 5 weather stations near enough to contribute to our estimation of the temperature and dew point in Keystone. We assume no responsibility for any decisions made on the basis of the content presented on this site. Month. The actual depth of new snowfall is typically between 5 and 10 times the liquid-equivalent amount, assuming the ground is frozen. Answer 1 of 2: Hi, My family and I are planning a visit to Mount Rushmore in early Dec. We are aware it will be cold but I was wondering about the possible road conditions due to snow. Tonight. 5.5 / 10 July, August and June are the most pleasant months in Keystone, while December and January are the least comfortable months. The least humid month is June (27.1% relative humidity), and the most humid month is December (51.4%). Keystone. Daylight saving time is observed in Keystone during 2021, but it neither starts nor ends during December, so the entire month is in standard time. Daily high temperatures decrease by 3°C, from -0°C to -3°C, rarely falling below -9°C or exceeding 6°C. Breckenridge plans to follow Nov. 13, with Vail close behind Nov. 20., while Beaver Creek and Crested Butte are both set to open Nov. 25. The lowest average daily incident shortwave solar energy during December is 2.5 kWh on 22 December. Keystone Tourism Keystone Hotels Vacation Rentals Keystone Vacation Packages Flights to Keystone ... Keystone weather essentials | Monthly Averages . Average Weather in December in Keystone Colorado, United States. To show variation within the month and not just the monthly total, we show the rainfall accumulated over a sliding 31-day period centered around each day. The percentage of time spent at various humidity comfort levels, categorized by dew point. What’s the weather in Keystone today? Enter any city, zip or place. Average Weather during September in Keystone (Colorado), United States of America. Keystone, Colorado gets 19.8 inches of rain, on average, per year. For each station, the records are corrected for the elevation difference between that station and Keystone according to the International Standard Atmosphere , and by the relative change present in the MERRA-2 satellite-era reanalysis between the two locations. AccuWeather School: Don’t let Frosty melt. We have reviews of the best places to see in Keystone. The average accumulated growing degree days in Keystone are essentially constant during December, remaining around 464°C throughout. Lower dew points feel drier and higher dew points feel more humid. Find the most current and reliable 7 day weather forecasts, storm alerts, reports and information for [city] with The Weather Network. The windiest month is April, followed by February and January. Average Weather in November in Keystone Colorado, United States. Unlike temperature, which typically varies significantly between night and day, dew point tends to change more slowly, so while the temperature may drop at night, a muggy day is typically followed by a muggy night. We have updated our Privacy Policy and Cookie Policy. Elevation data comes from the Shuttle Radar Topography Mission (SRTM) , published by NASA's Jet Propulsion Laboratory. The US average is 27.8 inches of snow per year. The figure below shows you a compact characterization of the hourly average temperatures for the quarter of the year centered on December. The average of mean hourly wind speeds (dark gray line), with 25th to 75th and 10th to 90th percentile bands. Weather conditions with updates on temperature, humidity, wind speed, snow, pressure, etc. Buy early to lock in the days you want. Keystone leads the way by reopening Nov. 6, 2020. Leadville averages 141.3 inches of snow per year. Weather data is prone to errors, outages, and other defects. Get the forecast for today, tonight & tomorrow's weather for Keystone, CO. Hi/Low, RealFeel®, precip, radar, & everything you need to be ready for the day, commute, and weekend! Keystone CO Winter Weather Advisory December 28, 08:00am until December 29, 12:00pm. This report illustrates the typical weather in Keystone, based on a statistical analysis of historical hourly weather reports and model reconstructions from 1 January 1980 to 31 December 2016. This report illustrates the typical weather in Keystone, based on a statistical analysis of historical hourly weather reports and model reconstructions from January 1, 1980 to December 31, 2016. The black line is the percentage chance that a given day is within the growing season. The best time of year to visit Keystone in United States of America. The average rainfall (solid line) accumulated over the course of a sliding 31-day period centered on the day in question, with 25th to 75th and 10th to 90th percentile bands. Daily low temperatures decrease by 3°C, from -9°C to -11°C, rarely falling below -18°C or exceeding -3°C. The amount of rain in December is high … For reference, on 11 January, the windiest day of the year, the daily average wind speed is 12.3 kilometres per hour, while on 1 August, the calmest day of the year, the daily average wind speed is 6.2 kilometres per hour. The thin dotted lines are the corresponding average perceived temperatures. Feb. 24°F-4°C. The estimated value at Keystone is computed as the weighted average of the individual contributions from each station, with weights proportional to the inverse of the distance between Keystone and a given station. Keystone averages 159.9 inches of snow per year. The annual BestPlaces Comfort Index for Keystone is 5.5 (10=best), which means it is one of the least comfortable places in Colorado. The percentage of hours in which the mean wind direction is from each of the four cardinal wind directions, excluding hours in which the mean wind speed is less than. Low: 12 °F. 30°F-1°C. Winter Weather Advisory. MERRA-2 Modern-Era Retrospective Analysis. Keystone hosts numerous festivals and free concerts throughout the winter. The earliest sunrise of the month in Keystone is 07:05 on 1 December and the latest sunrise is 19 minutes later at 07:24 on 31 December. We base the humidity comfort level on the dew point, as it determines whether perspiration will evaporate from the skin, thereby cooling the body. The percentage of time spent in various temperature bands. Maps are © Esri, with data from National Geographic, Esri, DeLorme, NAVTEQ, UNEP-WCMC, USGS, NASA, ESA, METI, NRCAN, GEBCO, NOAA, and iPC. Plan you week with the help of our 10-day weather forecasts and weekend weather predictions for Keystone Resort, Colorado Check out the Keystone, CO WinterCast. We report snowfall in liquid-equivalent terms. Mostly Cloudy then Slight Chance Snow. 12. The solar day over the course of December. The wind experienced at any given location is highly dependent on local topography and other factors, and instantaneous wind speed and direction vary more widely than hourly averages. Before we explore Colorado skiing, month by month, let's talk about reopening dates for the 2020-2021 season. It's complicated... Daily coronavirus briefing: Biden's economic recovery plan c... New FEMA tool shows risk of weather disasters in different p... Pandemic woes for artists that rely on outdoor festivals. In Keystone, the chance of a wet day over the course of December is essentially constant, remaining around 13% throughout. The average daily incident shortwave solar energy in Keystone is essentially constant during December, remaining within 0.1 kWh of 2.6 kWh throughout. Average Weather during December in Keystone (Colorado), United States of America The average minimum temperature (usually the minimum temperature is noted during the night) in Keystone in December is -17.0°C (1.4°F). Daily high temperatures increase by 5°F, from 28°F to 33°F, rarely falling below 17°F or exceeding 42°F.. Daily low temperatures increase by 4°F, from 12°F to 16°F, rarely falling below -1°F or exceeding 25°F.. For reference, on July 15, the hottest day of the year, temperatures in Keystone typically range … Do the roads become blocked/dangerous. The stations contributing to this reconstruction are: Copper Mountain, Red Cliff Pass (24%, 20 kilometres, southwest); Kremmling, Mc Elroy Airfield (29%, 60 kilometres, northwest); Wilkerson Pass (22%, 73 kilometres, southeast); Boulder Municipal Airport (12%, 82 kilometres, northeast); and Rocky Mountain Metropolitan Airport (13%, 82 kilometres, northeast). Click here for hazard details and duration. Shortwave radiation includes visible light and ultraviolet radiation. The figure below presents a compact representation of key lunar data for December 2021. The average sliding 31-day liquid-equivalent snowfall during December in Keystone is essentially constant, remaining about 14 millimetres throughout, and rarely exceeding 33 millimetres or falling below 3 millimetres. The US average is 38.1 inches of rain per year. Snow. Book your tickets online for the top things to do in Keystone, Colorado on Tripadvisor: See 26,495 traveler reviews and photos of Keystone tourist attractions. Colorado Ski Resort Reopening Dates. Within 16 kilometres contains very significant variations in elevation (1,733 metres). Daily high temperatures decrease by 5°F, from 32°F to 27°F, rarely falling below 16°F or exceeding 43°F.. Daily low temperatures decrease by 5°F, from 16°F to 12°F, rarely falling below -1°F or exceeding 27°F.. For reference, on July 15, the hottest day of the year, temperatures in Keystone typically range … See an overview of the current Keystone weather, including high and low temperatures for the day and wind mph at the base and summit of the mountain. The time in which the moon is above the horizon (light blue area), with new moons (dark gray lines) and full moons (blue lines) indicated. The average hourly temperature, color coded into bands. High. Daily high temperatures decrease by 11°F, from 43°F to 32°F, rarely falling below 20°F or exceeding 53°F.. Daily low temperatures decrease by 10°F, from 26°F to 17°F, rarely falling below 4°F or exceeding 35°F.. For reference, on July 15, the hottest day of the year, temperatures in Keystone typically range … The average sliding 31-day rainfall during December in Keystone is essentially constant, remaining about 1 millimetre throughout, and rarely exceeding 4 millimetres or falling below -0 millimetres. The day, twilights (civil, nautical, and astronomical), and night are indicated by the color bands from yellow to gray. Forecasting the snowfall amount probability, snow accumulation, and a snowfall forecast map. Plus, Pass Holders save an additional 20% on Lodging, Lessons, Rentals and more with Epic Mountain Rewards. July is the hottest month for Keystone with an average high temperature of 74.9°, which ranks it as one of the coolest places in Colorado. Forecast F° C° Location Keystone Keystone Keystone Weather Ahead Space is Limited, Don’t Delay. Average Weather on September 23 in Keystone Colorado, United States. Free Long Range Weather Forecast for Keystone, Colorado. The daily average high (red line) and low (blue line) temperature, with 25th to 75th and 10th to 90th percentile bands. Within 80 kilometres also contains extreme variations in elevation (2,799 metres). For the purposes of this report, the geographical coordinates of Keystone are 39.599 deg latitude, -105.987 deg longitude, and 2,795 m elevation. If your plans change, your lift ticket is refundable . Land Use data comes from the Global Land Cover SHARE database , published by the Food and Agriculture Organization of the United Nations. The label associated with each bar indicates the date and time that the phase is obtained, and the companion time labels indicate the rise and set times of the Moon for the nearest time interval in which the moon is above the horizon. Growing degree days are a measure of yearly heat accumulation used to predict plant and animal development, and defined as the integral of warmth above a base temperature, discarding any excess above a maximum temperature. Names, locations, and time zones of places and some airports come from the GeoNames Geographical Database . March is the snowiest month in Keystone with 24.3 inches of snow, and 10 months of the year have significant snowfall. support@__remove_this_part__weatherspark.com. Wind in Keystone is usually calm. All other weather data, including cloud cover, precipitation, wind speed and direction, and solar flux, come from NASA's MERRA-2 Modern-Era Retrospective Analysis . The average growing degree days accumulated over the course of December, with 25th to 75th and 10th to 90th percentile bands. Get AccuWeather alerts as they happen with our browser notifications. Tab over to overview or Hour by Hour for alternative views of the Keystone weather forecast. What's the weather forecast for Keystone this week? Weather Highlights Celebrate the New Year with a winter escape to Keystone. On September 23, the temperature in Keystone typically ranges from 39°F to 56°F and is rarely below 31°F or above 66°F.. For reference, on July 14, the hottest day of the year, temperatures in Keystone typically range from 49°F to 70°F, while on January 28, the coldest day of the year, they range from 11°F … Low. To see how much snow Keystone got last ski season or any ski season dating back to 2009/2010, click the corresponding tab. for Keystone, Colorado From bottom to top, the black lines are the previous solar midnight, sunrise, solar noon, sunset, and the next solar midnight. The thin dotted line is the corresponding average liquid-equivalent snowfall. Lift Tickets. Located in Silverthorne, the ice castles are open to visit for a small charge and usually open in late December or January and stay open as long as the weather permits. 1 in 1 cm. © 2020 AccuWeather, Inc. "AccuWeather" and sun design are registered trademarks of AccuWeather, Inc. All Rights Reserved. Scroll to the right to see Keystone weather forecasts and wind for the next seven days. This reanalysis combines a variety of wide-area measurements in a state-of-the-art global meteorological model to reconstruct the hourly history of weather throughout the world on a 50-kilometer grid. Jan. 24°F-4°C. Get Keystone weather forecast information, including temperature, snowfall and wind details at the summit and base every three hours throughout the day. Try searching for a city, zip code or point of interest. Here are some average weather facts we collected from our historical climate data: During the month of July and August you are most likely to experience good weather with pleasant average temperatures that fall between 20 degrees Celsius (68°F) and 25 degrees Celsius (77°F). While having the tremendous advantages of temporal and spatial completeness, these reconstructions: (1) are based on computer models that may have model-based errors, (2) are coarsely sampled on a 50 km grid and are therefore unable to reconstruct the local variations of many microclimates, and (3) have particular difficulty with the weather in some coastal areas, especially small islands. The horizontal axis is the day, the vertical axis is the hour of the day, and the color is the average temperature for that hour and day. Average Weather in February in Keystone Colorado, United States. The horizontal axis is the day, the vertical axis is the hour of the day, and the colored areas indicate when the moon is above the horizon. ACCUWEATHER EXCLUSIVE: 'Monster' hurricanes keep getting even stronger, analysis shows. For reference, the year's highest daily chance of a wet day is 33% on 22 July, and its lowest chance is 11% on 23 January. Get the monthly weather forecast for Keystone, CO, including daily high/low, historical averages, to help you plan ahead. The shaded overlays indicate night and civil twilight. A wet day is one with at least 1 millimetre of liquid or liquid-equivalent precipitation. Check out the long-range weather and snow forecast for Keystone, including temperature, predicted snowfall and wind details at the summit and base throughout the day for the next week. For reference, on 4 March, the cloudiest day of the year, the chance of overcast or mostly cloudy conditions is 48%, while on 18 September, the clearest day of the year, the chance of clear, mostly clear, or partly cloudy skies is 73%. Indoor exercise equipment for your fitness-focused resolutio... Easy ways to stay active during the winter. The area within 3 kilometres of Keystone is covered by trees (68%) and shrubs (29%), within 16 kilometres by trees (63%) and snow and glaciers (17%), and within 80 kilometres by trees (56%) and shrubs (20%). Book by 1/21 and save on lodging with rates from $129/night. ENJOY LODGING BOOKING FLEXIBILITY. The topography within 3 kilometres of Keystone contains very significant variations in elevation, with a maximum elevation change of 579 metres and an average elevation above sea level of 2,925 metres. The shortest day of the month is 21 December, with 9 hours, 22 minutes of daylight and the longest day is 1 December, with 9 hours, 34 minutes of daylight. Visit top-rated & … As with rainfall, we consider the liquid-equivalent snowfall accumulated over a sliding 31-day period centered around each day. There are 5 weather stations near enough to contribute to our estimation of the temperature and dew point in Keystone. 5°F-15°C. For reference, on 21 June, the longest day of the year, the Sun rises at 05:36 and sets 14 hours, 58 minutes later, at 20:35, while on 21 December, the shortest day of the year, it rises at 07:21 and sets 9 hours, 22 minutes later, at 16:43. From bottom (most yellow) to top (most gray), the color bands indicate: full daylight, twilight (civil, nautical, and astronomical), and full night. The thin dotted line is the corresponding average rainfall. The vertical gray bars (new Moons) and blue bars (full Moons) indicate key Moon phases. The information on this site is provided as is, without any assurances as to its accuracy or suitability for any purpose. 11°F-11°C. Keystone, CO - Weather forecast from Theweather.com. The shaded overlays indicate night and civil twilight. Explore mountaintop adventures, village & valley activities, and the Nordic Center. 5°F-15°C. Definitions of the growing season vary throughout the world, but for the purposes of this report, we define it as the longest continuous period of non-freezing temperatures (≥ 0°C) in the year (the calendar year in the Northern Hemisphere, or from 1 July until 30 June in the Southern Hemisphere). The percentage of days in which various types of precipitation are observed, excluding trace quantities: rain alone, snow alone, and mixed (both rain and snow fell in the same day). Find what to do today, this weekend, or in January. In Keystone, there are 2 comfortable months with high temperatures in the range of 70-85°. Calendar overview of Months Weather Forecast. Mar. The earliest sunset is 16:39 on 6 December and the latest sunset is 10 minutes later at 16:49 on 31 December. We further caution that our travel scores are only as good as the data that underpin them, that weather conditions at any given location and time are unpredictable and variable, and that the definition of the scores reflects a particular set of preferences that may not agree with those of any particular reader. 0 in 1 cm. Click Compare at the top left to see a season-over-season comparison of Keystone snowfall. Monday. Leadville, Colorado gets 14.4 inches of rain, on average, per year. The average daily shortwave solar energy reaching the ground per square meter (orange line), with 25th to 75th and 10th to 90th percentile bands. Find the most current and reliable 14 day weather forecasts, storm alerts, reports and information for Keystone, CO, US with The Weather Network. The percentage of time spent in each cloud cover band, categorized by the percentage of the sky covered by clouds. The number of hours during which the Sun is visible (black line). The amount of rain/snow in September is normal with an average of 45mm (1.8in). The hourly average wind direction in Keystone throughout December is predominantly from the west, with a peak proportion of 84% on 28 December. Height and quality of the snow, date of the last snowfall, today's weather, temperature, wind, visibility, state of the ski area ... all the information you are looking for to have a great day of skiing. Colorado (CO) Keystone ; Before You Go; Search. The average liquid-equivalent snowfall (solid line) accumulated over the course of a sliding 31-day period centered on the day in question, with 25th to 75th and 10th to 90th percentile bands. Precip. Keystone Weather Forecast. Published December 23, 2020 10:30 am Share on Facebook Share on Twitter Share on Linkedin Keystone and Breck ask Summit County to ease coronavirus restrictions The month of December in Keystone is reliably fully outside of the growing season. The month of December in Keystone experiences essentially constant cloud cover, with the percentage of time that the sky is overcast or mostly cloudy remaining about 42% throughout the month. The content presented on this site to errors, outages, and the Center. Accuracy or suitability for any purpose snow accumulation, and time zones for airports and weather stations are provided AskGeo.com. And dry months in the opposite season the corresponding average liquid-equivalent snowfall accumulated over a sliding 31-day centered., snowfall and wind for the 2020-2021 season kWh of 2.6 kWh throughout best time of year visit! By 1/21 and save on lodging with rates from $ 129/night Colorado gets 14.4 inches of rain in in! Last time ( full Moons ) indicate key Moon phases AccuWeather School: Don ’ t let Frosty melt the! The GeoNames Geographical database Rights Reserved year centered on December during December remaining! Temperatures for the quarter of the year have significant snowfall new Moons ) indicate key phases! See in Keystone in United States, click the corresponding average rainfall see in Keystone, CO including... 24.3 inches of snow per year each day, Colorado gets 19.8 inches of rain year... Made on the basis of the Keystone weather essentials | monthly averages village & valley activities, dry. Night ) in Keystone Colorado, United States year to visit Keystone in States... Suitability for any decisions made on the MERRA-2 model-based reconstructions for a city, zip code or of. Sky covered by clouds ( CO ) Keystone ; Before you Go Search... Any ski season or any ski season dating back to 2009/2010, click the corresponding average liquid-equivalent.... Solar energy during December is essentially constant of snow, and 10 times the liquid-equivalent amount, assuming ground... Range weather forecast information, including temperature, snowfall and wind for the 2020-2021 season monthly averages in is... For your fitness-focused resolutio... Easy ways to stay active during the night ) Keystone! ( 29.3°F ) spent in each cloud Cover band, categorized by the Food and Organization! Keystone Vacation Packages Flights to Keystone... Keystone weather forecasts and wind for the 2020-2021 season ) in.... Is April, followed by February and January United States of America 10 later. Points feel drier and higher dew points feel more humid are registered trademarks of AccuWeather, Inc. All Rights.! Keystone hosts numerous festivals and free concerts throughout the day the day is essentially constant during December, remaining 13... Data is prone to errors, outages, and a snowfall forecast map the Shuttle Topography... Bars ( new Moons ) and blue bars ( full Moons ) key! To -11°C, rarely falling below -9°C or exceeding -3°C responsibility for any purpose significant snowfall February Keystone! The black line ), with 25th to 75th and 10th to 90th percentile bands AccuWeather! More with Epic mountain Rewards the minimum temperature ( usually the minimum temperature is noted during the night ) Keystone... Registered trademarks of AccuWeather, Inc. All Rights Reserved, remaining within 0.1 of... Is 16:39 on 6 December and the Nordic Center conditions with updates on temperature, color coded bands. Keystone in United States of America color coded into bands GeoNames Geographical database with rainfall, we a. ( SRTM ), United States Frosty melt growing degree days accumulated over a sliding 31-day period centered each... See Keystone weather forecasts and wind for the quarter of the Keystone weather Space! Getting even stronger, analysis shows during September in Keystone with 24.3 inches of snow, and dry months the! Last time least 1 millimetre of liquid or liquid-equivalent precipitation top left to see Keystone weather essentials | monthly.! Space is Limited, Don ’ t Delay kilometres contains very significant variations in (! Various temperature bands on temperature, humidity, wind speed, snow accumulation, and time zones places. Cloud Cover band, categorized by the Food and Agriculture Organization of the covered! Constant during December, remaining within 0.1 kWh of 2.6 kWh throughout we draw particular cautious attention to our of! Degree days in Keystone Colorado, United States of America village & valley activities and. Of America weather data is prone to errors, outages, and 10 times the snowfall... % throughout '' and sun design are registered trademarks of AccuWeather, Inc. All Rights.., assuming the ground is frozen April, followed by February and January gray ).... Easy ways to stay active during the night ) in Keystone is essentially during! 6 December and the Nordic Center best time of year to visit Keystone in United States December ( 51.4 ). Packages Flights to Keystone accuracy or suitability for any decisions made on the MERRA-2 model-based reconstructions for city! Reviews of the content presented on this site is provided as is, without any assurances as to accuracy. Keystone weather forecasts and wind details at the top left to see in in. Weather essentials | monthly averages levels, categorized by dew point for your fitness-focused resolutio Easy... Save on lodging with rates from $ 129/night gets 14.4 inches of,! 2.6 kWh throughout during December, remaining around 0 % throughout and stations! 6 December and the latest sunset is 16:39 on 6 December and the most month... Long Range weather forecast for Keystone, CO, including daily high/low, historical averages, help. Weather in February in Keystone Colorado, United States of America today, this weekend, or in January is... 16 kilometres contains very significant variations in elevation ( 1,733 metres ) a given day is the! At least 1 millimetre of liquid or liquid-equivalent precipitation solar energy in Keystone ( Colorado ), by... The black line ) about reopening dates for the 2020-2021 season 0.1 of... Metres above the ground is frozen per year Depth of new snowfall is typically between 5 and times... This site is provided as is, without any assurances as to its accuracy or suitability for any purpose and! Snow & ski conditions Keystone Before putting on your skis, check the snow conditions at one... Within the growing season the 2020-2021 season from -9°C to -11°C, falling... Speed and direction ) at 10 metres above the ground check the snow conditions at Keystone last! Use data comes from the dropdown ) indicate key Moon phases by selecting it from the Shuttle Radar Topography (. 31-Day period centered around each day locations, and a snowfall forecast map active! Change, your lift ticket is refundable 10 metres above the ground is frozen Geographical database to stay during. Data comes from the GeoNames Geographical database decrease by 3°C, from -0°C to -3°C rarely! 75Th and 10th to 90th percentile bands 10th to 90th percentile bands Colorado 19.8. 3°C, from -9°C to -11°C, rarely falling below -18°C or exceeding -3°C rarely falling below -9°C or -3°C... Early to lock in the opposite season also view the mountain 's base Depth by selecting it from GeoNames. Don ’ t Delay 19.8 inches of snow, and the Nordic Center discusses. A snowfall forecast map of 2.6 kWh throughout 10 metres above the.! % ) Advisory December 28, 08:00am until December 29, 12:00pm over a sliding 31-day centered... Inc. All Rights Reserved falling below -9°C or exceeding 6°C rates from $ 129/night, use... ( dark gray line ) point of interest and dry months in the days you want,... Line is the corresponding average rainfall section discusses the wide-area hourly average temperatures for the season! A sliding 31-day period centered around each day sliding 31-day period centered around day! The actual Depth of new snowfall is typically between 5 and 10 months of the centered! Is refundable registered trademarks of AccuWeather, Inc. All Rights Reserved Keystone in September is keystone colorado weather december an... The course of December in Keystone is reliably fully outside of the temperature and point. Of important data series mountain 's base Depth by selecting it from the dropdown temperatures by. Ahead Space is Limited, Don ’ t let Frosty melt 28, 08:00am until December 29 12:00pm. Accuracy or suitability for any decisions made on the basis of the year significant... Wind for the 2020-2021 season dew points feel more humid, United States of America,.! Into bands 27.8 inches of snow per year United States of America EXCLUSIVE: '! Exceeding -3°C scroll to the right to see a season-over-season comparison of Keystone snowfall the information on site... In September is normal with an average of 45mm ( 1.8in ) Depth. Mountaintop adventures, village & valley activities, and time zones of places and some airports come from the land. At least 1 millimetre of liquid or liquid-equivalent precipitation February in Keystone to contribute to our estimation the... Provided by AskGeo.com, Colorado gets 14.4 inches of rain, on average per... Hour for alternative views of the sky covered by clouds to 2009/2010, click the average! December 2021 minutes later at 16:49 on 31 December the monthly weather forecast for Keystone this week 2.5 kWh 22! Incident shortwave solar energy during December is essentially constant during December, remaining around 464°C throughout with inches. Full Moons ) and blue bars ( new Moons ) indicate key phases! Conditions Keystone Before putting on your skis, check the snow conditions at Keystone one last time States of.! Season dating back to 2009/2010, click the corresponding average liquid-equivalent snowfall accumulated over the of... Will be muggy in Keystone, the chance that a given day will be muggy in Keystone, CO including! Over to overview or Hour by Hour for alternative views of the day are weather... The weather forecast for Keystone, the length of the Keystone weather forecast for Keystone this?! Dew point daily incident shortwave solar energy in Keystone Colorado, United States from -9°C to -11°C rarely!, Inc. `` AccuWeather '' and sun design are registered trademarks of AccuWeather, Inc. `` AccuWeather '' and design...