Spokane weather in May 2025

Expect 20°C daytime maximum temperatures in the shade with on average 9 hours of sunshine per day in Spokane in May. Check more long-term weather averages for Spokane in May before you book your next holiday to Washington State in 2025/2026.

  • 20°C maximum daytime temperature in May in Spokane20
    20°C max day temperature
  • 9 hours of sunshine per day
  • 9 days with some rainfall in May in Spokane9
    9 days with some rainfall
  • 6°C minimum night-time temperature in May in Spokane6
    6°C min night temperature
  • 15 hours of daylight per day in May in Spokane15
    15 hours of daylight per day
  • No heat & humidity in May in Spokane0
    No heat & humidity
  • 38 mm monthly rainfall in May in Spokane38
    38 mm of monthly rainfall
  • UV (maximum) index 6 (High) in May in Spokane6
    6 (High) UV index

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The May weather guide for Washington State (Spokane) 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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More about the USA

How hot is it in Spokane in May?

Daytime temperatures usually reach 20°C in Spokane in May, falling to 6°C at night.

How sunny is it in Spokane in May?

There are normally 9 hours of bright sunshine each day in Spokane in May - that's 61% of daylight hours.

Does it rain in Spokane in May?

There are usually 9 days with some rain in Spokane in May and the average monthly rainfall is 38mm.

Spokane May sunrise & sunset times

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

JanFebMarAprMayJunJulAugSepOctNovDec

Date Sunrise times Sunset times
Thursday, 1st May 2025 04:32 19:03
Friday, 16th May 2025 04:10 19:23
Saturday, 31st May 2025 03:56 19:39

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