Climate and Average Weather Year Round in Colorado United States

We show the climate in Colorado by comparing the average weather in 4 representative places: Denver, Aspen, Durango, and Lamar.

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Denver
Colorado, United States
Aspen
Colorado, United States
Durango
Colorado, United States
Lamar
Colorado, United States
Map

Average High and Low Temperature in Colorado

Average High and Low Temperature in ColoradoJanFebMarAprMayJunJulAugSepOctNovDec0°F0°F10°F10°F20°F20°F30°F30°F40°F40°F50°F50°F60°F60°F70°F70°F80°F80°F90°F90°F100°F100°F632289444477327541383361694NowNowDenverDenverLamarLamar
The daily average high and low air temperature at 2 meters above the ground.
HighJanFebMarAprMayJunJulAugSepOctNovDec
Denver 46°F49°F57°F64°F72°F83°F88°F86°F79°F67°F54°F46°F
Aspen 28°F32°F39°F48°F58°F69°F73°F71°F64°F52°F38°F29°F
Durango 36°F41°F50°F59°F68°F79°F82°F79°F72°F61°F48°F38°F
Lamar 46°F52°F62°F70°F79°F90°F94°F91°F84°F71°F57°F46°F
LowJanFebMarAprMayJunJulAugSepOctNovDec
Denver 23°F26°F32°F39°F47°F57°F62°F60°F52°F41°F31°F23°F
Aspen 7°F10°F17°F24°F32°F39°F44°F43°F36°F27°F17°F9°F
Durango 14°F19°F25°F31°F38°F46°F53°F52°F44°F34°F24°F16°F
Lamar 17°F22°F29°F38°F49°F59°F64°F62°F52°F39°F26°F18°F

Denver

Average Hourly Temperature in DenverJanFebMarAprMayJunJulAugSepOctNovDec12 AM12 AM4 AM4 AM8 AM8 AM12 PM12 PM4 PM4 PM8 PM8 PM12 AM12 AMNowNowfreezingvery coldvery coldcoldcoldcoolwarmhotcomfortablefreezingfreezingcomfortable

Aspen

Average Hourly Temperature in AspenJanFebMarAprMayJunJulAugSepOctNovDec12 AM12 AM4 AM4 AM8 AM8 AM12 PM12 PM4 PM4 PM8 PM8 PM12 AM12 AMNowNowfrigidfreezingfreezingvery coldcoldcoldcoolcomfortablefrigidfrigid

Durango

Average Hourly Temperature in DurangoJanFebMarAprMayJunJulAugSepOctNovDec12 AM12 AM4 AM4 AM8 AM8 AM12 PM12 PM4 PM4 PM8 PM8 PM12 AM12 AMNowNowfreezingfreezingfreezingvery coldvery coldcoldcoolcoolwarmcomfortable

Lamar

Average Hourly Temperature in LamarJanFebMarAprMayJunJulAugSepOctNovDec12 AM12 AM4 AM4 AM8 AM8 AM12 PM12 PM4 PM4 PM8 PM8 PM12 AM12 AMNowNowfreezingfreezingcoldcoolcomfortablehotwarmvery coldcoldfreezingvery coldcomfortable
frigid 15°F freezing 32°F very cold 45°F cold 55°F cool 65°F comfortable 75°F warm 85°F hot 95°F sweltering
The average hourly temperature, color coded into bands. The shaded overlays indicate night and civil twilight.

Chance of Clearer Skies in Colorado

Chance of Clearer Skies in ColoradoJanFebMarAprMayJunJulAugSepOctNovDec0%0%10%10%20%20%30%30%40%40%50%50%60%60%70%70%80%80%90%90%100%100%755349795777NowNowDenverDenverAspenAspenDurangoDurangoLamarLamar
The percentage of time the sky is clear, mostly clear, or partly cloudy (i.e., less than 60% of the sky is covered by clouds).
Clearer SkiesJanFebMarAprMayJunJulAugSepOctNovDec
Denver 59%56%54%54%57%70%70%68%74%69%61%59%
Aspen 56%50%51%52%58%71%67%65%73%69%60%56%
Durango 63%58%60%63%67%76%68%67%77%73%67%63%
Lamar 63%60%61%63%65%73%73%71%75%73%66%63%

Daily Chance of Precipitation in Colorado

Daily Chance of Precipitation in ColoradoJanFebMarAprMayJunJulAugSepOctNovDec0%0%10%10%20%20%30%30%40%40%50%50%60%60%70%70%80%80%90%90%100%100%31629132774DenverDenverAspenAspenDurangoDurangoLamarLamar
The percentage of days in which precipitation is observed, excluding trace quantities.
Days of Precip.JanFebMarAprMayJunJulAugSepOctNovDec
Denver 2.1d2.3d4.2d6.5d8.2d6.9d8.6d8.0d4.8d3.7d3.0d2.0d
Aspen 4.7d5.1d6.1d6.7d6.3d4.3d7.6d7.6d6.8d6.2d5.9d5.4d
Durango 4.1d4.6d4.9d4.3d3.8d2.6d6.5d7.8d6.3d4.9d4.5d4.2d
Lamar 1.5d1.6d3.1d4.7d7.1d8.2d9.1d7.9d4.4d3.3d1.8d1.5d

Average Monthly Rainfall in Colorado

Average Monthly Rainfall in ColoradoJanFebMarAprMayJunJulAugSepOctNovDec0.5 in0.5 in1.0 in1.0 in1.5 in1.5 in2.0 in2.0 in2.5 in2.5 in1.90.11.20.11.50.32.3DenverDenverAspenAspenDurangoDurangoLamarLamar
The average rainfall accumulated over the course of a sliding 31-day period centered on the day in question.
RainfallJanFebMarAprMayJunJulAugSepOctNovDec
Denver 0.1″0.2″0.6″1.3″1.9″1.4″1.5″1.4″1.0″0.6″0.3″0.1″
Aspen 0.1″0.2″0.2″0.6″0.9″0.7″1.0″1.0″1.2″0.9″0.3″0.1″
Durango 0.3″0.5″0.6″0.7″0.7″0.4″1.0″1.4″1.5″1.2″0.9″0.4″
Lamar 0.0″0.2″0.5″1.1″1.7″1.9″2.1″2.0″1.1″0.8″0.3″0.1″

Average Monthly Snowfall in Colorado

Average Monthly Snowfall in ColoradoJanFebMarAprMayJunJulAugSepOctNovDec2 in2 in4 in4 in6 in6 in8 in8 in10 in10 in2.49.56.3NowNowDenverDenverAspenAspenDurangoDurangoLamarLamar
The average snowfall accumulated over the course of a sliding 31-day period centered on the day in question.
SnowfallJanFebMarAprMayJunJulAugSepOctNovDec
Denver 1.8″1.9″2.1″1.3″0.1″0.0″0.0″0.0″0.1″1.2″2.1″2.4″
Aspen 8.2″8.6″7.3″6.3″2.3″0.2″0.0″0.0″0.4″3.4″8.0″9.2″
Durango 5.8″4.6″3.0″1.1″0.1″0.0″0.0″0.0″0.0″0.6″2.5″5.2″
Lamar 2.0″1.4″1.9″0.9″0.1″0.0″0.0″0.0″0.1″0.7″1.3″1.8″

Hours of Daylight in Colorado

Hours of Daylight in ColoradoJanFebMarAprMayJunJulAugSepOctNovDec4 hr4 hr6 hr6 hr8 hr8 hr10 hr10 hr12 hr12 hr14 hr14 hr16 hr16 hr18 hr18 hr20 hr20 hr15.09.4NowNowDenverDenverAspenAspenDurangoDurangoLamarLamar
The number of hours during which the Sun is at least partly above the horizon.
DaylightJanFebMarAprMayJunJulAugSepOctNovDec
Denver 9.7h10.8h12.0h13.3h14.4h14.9h14.6h13.6h12.4h11.1h10.0h9.4h
Aspen 9.8h10.8h12.0h13.3h14.4h14.9h14.6h13.6h12.4h11.1h10.0h9.5h
Durango 9.9h10.9h12.0h13.2h14.2h14.7h14.4h13.5h12.4h11.2h10.1h9.6h
Lamar 9.9h10.8h12.0h13.3h14.3h14.8h14.5h13.5h12.4h11.1h10.1h9.6h

Chance of Muggy Conditions in Colorado

Chance of Muggy Conditions in ColoradoJanFebMarAprMayJunJulAugSepOctNovDec0%0%10%10%20%20%30%30%40%40%50%50%60%60%70%70%80%80%90%90%100%100%6NowNowLamarLamar
The percentage of time that is muggy, oppressive, or miserable (i.e., a dew point greater than 65°F).
Muggy daysJanFebMarAprMayJunJulAugSepOctNovDec
Denver 0.0d0.0d0.0d0.0d0.0d0.0d0.0d0.0d0.0d0.0d0.0d0.0d
Aspen 0.0d0.0d0.0d0.0d0.0d0.0d0.0d0.0d0.0d0.0d0.0d0.0d
Durango 0.0d0.0d0.0d0.0d0.0d0.0d0.0d0.0d0.0d0.0d0.0d0.0d
Lamar 0.0d0.0d0.0d0.0d0.0d0.4d1.6d1.2d0.1d0.0d0.0d0.0d

Average Wind Speed in Colorado

Average Wind Speed in ColoradoJanFebMarAprMayJunJulAugSepOctNovDec0 mph0 mph2 mph2 mph4 mph4 mph6 mph6 mph8 mph8 mph10 mph10 mph12 mph12 mph9.76.96.24.08.05.112.19.5NowNowDenverDenverAspenAspenDurangoDurangoLamarLamar
The average of mean hourly wind speeds at 10 meters above the ground.
Wind Speed (mph)JanFebMarAprMayJunJulAugSepOctNovDec
Denver 9.59.29.18.97.97.57.37.07.37.68.28.9
Aspen 5.35.65.96.25.75.24.24.14.75.15.35.3
Durango 6.16.77.47.97.46.85.55.26.06.26.05.9
Lamar 9.710.311.411.911.411.010.19.810.310.09.89.6

Tourism Score in Colorado

Tourism Score in ColoradoJanFebMarAprMayJunJulAugSepOctNovDec002244668810107.00.44.36.36.6DenverDenverAspenAspenDurangoDurangoLamarLamar
The tourism score, which favors clear, rainless days with perceived temperatures between 65°F and 80°F.

Beach/Pool Score in Colorado

Beach/Pool Score in ColoradoJanFebMarAprMayJunJulAugSepOctNovDec002244668810105.01.93.5NowNowDenverDenverAspenAspenDurangoDurangoLamarLamar
The beach/pool score, which favors clear, rainless days with perceived temperatures between 75°F and 90°F.

Growing Season in Colorado

Growing Season in ColoradoJanFebMarAprMayJunJulAugSepOctNovDec0%0%20%20%40%40%60%60%80%80%100%100%NowNowDenverDenverAspenAspenDurangoDurangoLamarLamar
The percentage chance that a given day is within the growing season, defined as the longest continuous period of non-freezing temperatures (≥ 32°F) in the year (the calendar year in the Northern Hemisphere, or from July 1 until June 30 in the Southern Hemisphere).

Growing Degree Days in Colorado

Growing Degree Days in ColoradoJanFebMarAprMayJunJulAugSepOctNovDec0°F0°F500°F500°F1,000°F1,000°F1,500°F1,500°F2,000°F2,000°F2,500°F2,500°F3,000°F3,000°F3,500°F3,500°F4,000°F4,000°FNowNowDenverDenverAspenAspenDurangoDurangoLamarLamar
The average growing degree days accumulated over the course of the year, where growing degree days are defined as the integral of warmth above a base temperature (50°F in this case).

Average Daily Incident Shortwave Solar Energy in Colorado

Average Daily Incident Shortwave Solar Energy in ColoradoJanFebMarAprMayJunJulAugSepOctNovDec0 kWh0 kWh1 kWh1 kWh2 kWh2 kWh3 kWh3 kWh4 kWh4 kWh5 kWh5 kWh6 kWh6 kWh7 kWh7 kWh8 kWh8 kWh9 kWh9 kWh7.92.48.32.8NowNowDenverDenverAspenAspenDurangoDurangoLamarLamar
The average daily shortwave solar energy reaching the ground per square meter.
Solar Energy (kWh)JanFebMarAprMayJunJulAugSepOctNovDec
Denver 2.83.85.16.27.17.87.46.55.74.33.12.5
Aspen 2.93.95.36.57.48.27.56.65.84.53.22.6
Durango 3.24.15.56.87.88.47.46.65.94.73.52.9
Lamar 3.04.05.46.77.47.97.66.75.84.53.32.7

This report illustrates the typical weather for Denver, Aspen, Durango, and Lamar year round, based on a statistical analysis of historical hourly weather reports and model reconstructions from January 1, 1980 to December 31, 2016.

The details of the data sources used on this page vary between places and are discussed in detail on each place's dedicated page:

Disclaimer

The information on this site is provided as is, without any assurances as to its accuracy or suitability for any purpose. Weather data is prone to errors, outages, and other defects. We assume no responsibility for any decisions made on the basis of the content presented on this site.

We draw particular cautious attention to our reliance on the MERRA-2 model-based reconstructions for a number of important data series. 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.

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.

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