Colorado weather in August 2025

Expect 30°C daytime maximum temperatures in the shade with on average 10 hours of sunshine per day in Colorado in August. Check more long-term weather averages for Colorado in August before you book your next holiday to Colorado in 2025/2026.

  • 30°C maximum daytime temperature in August in Colorado (Denver)30
    30°C max day temperature
  • 10 hours of sunshine per day
  • 9 days with some rainfall in August in Colorado (Denver)9
    9 days with some rainfall
  • 14°C minimum night-time temperature in August in Colorado (Denver)14
    14°C min night temperature
  • 14 hours of daylight per day in August in Colorado (Denver)14
    14 hours of daylight per day
  • Moderate heat & humidity in August in Colorado (Denver)M
    Moderate heat & humidity
  • 40 mm monthly rainfall in August in Colorado (Denver)40
    40 mm of monthly rainfall
  • UV (maximum) index 10 (Very High) in August in Colorado (Denver)10
    10 (Very High) UV index

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The August weather guide for Colorado (Denver) 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.

Top Colorado destinations

Below are average maximum temperatures at popular countries, regions and places in Colorado in August. Select a holiday destination to see more weather parameters.

All Colorado destinations

Metric (°C / mm)  |  Imperial (°F / inches)

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How hot is it in Colorado in August?

Daytime temperatures usually reach 30°C in Denver, Colorado in August with moderate heat and humidity, falling to 14°C at night.

How sunny is it in Colorado in August?

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

Does it rain in Colorado in August?

There are usually 9 days with some rain in Denver, Colorado in August and the average monthly rainfall is 40mm.

Colorado August sunrise & sunset times

Browse the sunrise and sunset times for Colorado in August 2025. Select a month to view Colorado sunrise and sunset times for the next 12 months. The Colorado sunrise and sunset times shown below are for Denver.

JanFebMarAprMayJunJulAugSepOctNovDec

Date Sunrise times Sunset times
Friday, 1st August 2025 04:59 19:13
Saturday, 16th August 2025 05:13 18:54
Sunday, 31st August 2025 05:27 18:32

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