Wyoming weather in August 2025

Expect 27°C daytime maximum temperatures in the shade with on average 10 hours of sunshine per day in Wyoming in August. Check more long-term weather averages for Wyoming in August before you book your next holiday to Wyoming in 2025/2026.

  • 27°C maximum daytime temperature in August in Wyoming (Cheyenne)27
    27°C max day temperature
  • 10 hours of sunshine per day
  • 10 days with some rainfall in August in Wyoming (Cheyenne)10
    10 days with some rainfall
  • 11°C minimum night-time temperature in August in Wyoming (Cheyenne)11
    11°C min night temperature
  • 14 hours of daylight per day in August in Wyoming (Cheyenne)14
    14 hours of daylight per day
  • Low heat & humidity in August in Wyoming (Cheyenne)L
    Low heat & humidity
  • 40 mm monthly rainfall in August in Wyoming (Cheyenne)40
    40 mm of monthly rainfall
  • UV (maximum) index 9 (Very High) in August in Wyoming (Cheyenne)9
    9 (Very High) UV index

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The August weather guide for Wyoming (Cheyenne) 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 Wyoming destinations

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

All Wyoming destinations

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

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How hot is it in Wyoming in August?

Daytime temperatures usually reach 27°C in Cheyenne, Wyoming in August with low heat and humidity, falling to 11°C at night.

How sunny is it in Wyoming in August?

There are normally 10 hours of bright sunshine each day in Cheyenne, Wyoming in August - that's 70% of daylight hours.

Does it rain in Wyoming in August?

There are usually 10 days with some rain in Cheyenne, Wyoming in August and the average monthly rainfall is 40mm.

Wyoming August sunrise & sunset times

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

JanFebMarAprMayJunJulAugSepOctNovDec

Date Sunrise times Sunset times
Friday, 1st August 2025 04:55 19:15
Saturday, 16th August 2025 05:10 18:56
Sunday, 31st August 2025 05:25 18:33

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