Aspen weather in August 2026

Expect daytime maximum temperatures of 70°F in Aspen, Colorado in August based on long-term weather averages. There are 9 hours of sunshine per day on average with 11 days with some rainfall and typically 2.1 inches of rainfall in the month.

  • 70°F maximum daytime temperature in August in Aspen70
    70°F max day temperature
  • 9 hours of sunshine per day
  • 11 days with some rainfall in August in Aspen11
    11 days with some rainfall
  • 34°F minimum night-time temperature in August in Aspen34
    34°F min night temperature
  • 14 hours of daylight per day in August in Aspen14
    14 hours of daylight per day
  • No heat & humidity in August in Aspen0
    No heat & humidity
  • 2.1 inches monthly rainfall in August in Aspen2.1
    2.1 inches of monthly rainfall
  • UV (maximum) index 10 (Very High) in August in Aspen10
    10 (Very High) UV index

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The August weather guide for Colorado (Aspen) shows long term weather averages processed from data supplied by CRU (University of East Anglia), the Met Office & the Netherlands Meteorological Institute. Find out more about our data sources.

Metric (°C)  |  Imperial (°F)

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How hot is it in Aspen in August?

Daytime temperatures usually reach 86°F in Aspen in August with moderate heat and humidity, falling to 57°F at night.

How sunny is it in Aspen in August?

There are normally 10 hours of bright sunshine each day in Aspen in August - that's 72% of daylight hours.

Does it rain in Aspen in August?

There are usually 9 days with some rain in Aspen in August and the average monthly rainfall is 1.6 inches.

Aspen August sunrise & sunset times

Browse the sunrise and sunset times for Aspen in August 2026. Select a month to view Aspen sunrise and sunset times for the next 12 months.

JanFebMarAprMayJunJulAugSepOctNovDec

Date Sunrise times Sunset times
Saturday, 1st August 2026 05:08 19:19
Sunday, 16th August 2026 05:21 19:01
Monday, 31st August 2026 05:35 18:39

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