Cheyenne weather in August 2025

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

  • 27°C maximum daytime temperature in August in Cheyenne27
    27°C max day temperature
  • 10 hours of sunshine per day
  • 10 days with some rainfall in August in Cheyenne10
    10 days with some rainfall
  • 11°C minimum night-time temperature in August in Cheyenne11
    11°C min night temperature
  • 14 hours of daylight per day in August in Cheyenne14
    14 hours of daylight per day
  • Low heat & humidity in August in CheyenneL
    Low heat & humidity
  • 40 mm monthly rainfall in August in Cheyenne40
    40 mm of monthly rainfall
  • UV (maximum) index 9 (Very High) in August in Cheyenne9
    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.

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

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How hot is it in Cheyenne in August?

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

How sunny is it in Cheyenne in August?

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

Does it rain in Cheyenne in August?

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

Cheyenne August sunrise & sunset times

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

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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