Green River weather in May 2025

Expect 64°F daytime maximum temperatures in the shade with on average 10 hours of sunshine per day in Green River in May. Check more long-term weather averages for Green River in May before you book your next holiday to Wyoming in 2025/2026.

  • 64°F maximum daytime temperature in May in Green River64
    64°F max day temperature
  • 10 hours of sunshine per day
  • 9 days with some rainfall in May in Green River9
    9 days with some rainfall
  • 34°F minimum night-time temperature in May in Green River34
    34°F min night temperature
  • 15 hours of daylight per day in May in Green River15
    15 hours of daylight per day
  • No heat & humidity in May in Green River0
    No heat & humidity
  • 1.2 inches monthly rainfall in May in Green River1.2
    1.2 inches of monthly rainfall
  • UV (maximum) index 9 (Very High) in May in Green River9
    9 (Very High) UV index

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The May weather guide for Wyoming (Green River) 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 Green River in May?

Daytime temperatures usually reach 64°F in Green River in May, falling to 34°F at night.

How sunny is it in Green River in May?

There are normally 10 hours of bright sunshine each day in Green River in May - that's 67% of daylight hours.

Does it rain in Green River in May?

There are usually 9 days with some rain in Green River in May and the average monthly rainfall is 1.2 inches.

Green River May sunrise & sunset times

Browse the sunrise and sunset times for Green River in May 2025. Select a month to view Green River sunrise and sunset times for the next 12 months.

JanFebMarAprMayJunJulAugSepOctNovDec

Date Sunrise times Sunset times
Thursday, 1st May 2025 05:14 19:16
Friday, 16th May 2025 04:57 19:32
Saturday, 31st May 2025 04:47 19:45

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