Wyoming weather in May 2025

Expect daytime maximum temperatures of 19°C in Wyoming in May based on long-term weather averages. There are 9 hours of sunshine per day on average with 11 days with some rainfall and typically 67 mm of rainfall in the month.

  • 19°C maximum daytime temperature in May in Wyoming (Cheyenne)19
    19°C max day temperature
  • 9 hours of sunshine per day
  • 11 days with some rainfall in May in Wyoming (Cheyenne)11
    11 days with some rainfall
  • 4°C minimum night-time temperature in May in Wyoming (Cheyenne)4
    4°C min night temperature
  • 15 hours of daylight per day in May in Wyoming (Cheyenne)15
    15 hours of daylight per day
  • No heat & humidity in May in Wyoming (Cheyenne)0
    No heat & humidity
  • 67 mm monthly rainfall in May in Wyoming (Cheyenne)67
    67 mm of monthly rainfall
  • UV (maximum) index 9 (Very High) in May in Wyoming (Cheyenne)9
    9 (Very High) UV index

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The May 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 May. Select a holiday destination to see more weather parameters.

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

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How hot is it in Wyoming in May?

Daytime temperatures usually reach 19°C in Cheyenne, Wyoming in May, falling to 4°C at night.

How sunny is it in Wyoming in May?

There are normally 9 hours of bright sunshine each day in Cheyenne, Wyoming in May - that's 64% of daylight hours.

Does it rain in Wyoming in May?

There are usually 11 days with some rain in Cheyenne, Wyoming in May and the average monthly rainfall is 67mm.

Wyoming May sunrise & sunset times

Browse the sunrise and sunset times for Wyoming in May 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
Thursday, 1st May 2025 04:57 18:57
Friday, 16th May 2025 04:40 19:12
Saturday, 31st May 2025 04:29 19:25

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