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Aspen (CO) Weather and Climate: A Comprehensive Guide

The climate in Aspen is marked by big temperature swings throughout the year. Temperatures range from warm during the warmest months to very cold in the cooler months. It receives a moderate amount of precipitation. Now, let’s break down all the climate details for a clearer picture.

Average maximum day and minimum night temperature

In Aspen, temperatures differ significantly between summer and winter months. On average, daytime temperatures range from a comfortable 24°C in July to a very cold 0°C in January.

Nighttime temperatures can drop, with average lows reaching -13°C in January. Check out our detailed temperature page for more information.

Temperature ranges by month

Precipitation and rainy days

On average, Aspen receives a reasonable amount of rain/snowfall, with an annual precipitation of 653 mm. The seasons in Aspen, bring significant changes in precipitation. The wettest month, December, receives moderate snowfall, with an average of 71 mm of precipitation. This snowfall is distributed across 17 snowy days.

In contrast, the driest month, June, experiences much less rainfall, totaling 19 mm over 6 rainy days. These distinct seasonal differences provide diverse experiences throughout the year. For more details, please visit our Aspen Precipitation page.

The mean monthly precipitation over the year, including rain, hail and snow

Forecast for Aspen (CO)

Sat   Dec 21
6°C | -6°C
NW 3 m/s
clear and no rain

clear and no rain

Sun   Dec 22
6°C | -7°C
W 3 m/s
partly cloudy and no rain

partly cloudy and no rain

Mon   Dec 23
4°C | -6°C
NW 3 m/s
2 mm
broken clouds and slight snow

broken clouds and slight snow

The best time of year to visit Aspen in the United States of America

During the months of June, July and August you are most likely to experience good weather with pleasant average temperatures that fall between 20°C and 26°C.

Other facts from our historical weather data:
  • When is winter in Aspen?
    The coldest season / winter is in the following months: January, February and December.
  • Which is the warmest month in Aspen?
    July has an average maximum temperature of 24°C and is the warmest month of the year.
  • Which is the coldest month in Aspen?
    The coldest month is January with an average maximum temperature of 0°C.
  • Which is the wettest month in Aspen?
    December tops the wettest month list with 71 mm of rainfall.
  • Which is the driest month in Aspen?
    June is the driest month with 19 mm of precipitation.

  • No idea where to travel to this year? We have a tool that recommends destinations based on your ideal conditions. Find out where to go with our weather planner.