Walla Walla weather in May 2025

Expect 70°F daytime maximum temperatures in the shade with on average 9 hours of sunshine per day in Walla Walla in May. Check more long-term weather averages for Walla Walla in May before you book your next holiday to Washington State in 2025/2026.

  • 70°F maximum daytime temperature in May in Walla Walla70
    70°F max day temperature
  • 9 hours of sunshine per day
  • 8 days with some rainfall in May in Walla Walla8
    8 days with some rainfall
  • 46°F minimum night-time temperature in May in Walla Walla46
    46°F min night temperature
  • 15 hours of daylight per day in May in Walla Walla15
    15 hours of daylight per day
  • No heat & humidity in May in Walla Walla0
    No heat & humidity
  • 1.8 inches monthly rainfall in May in Walla Walla1.8
    1.8 inches of monthly rainfall
  • UV (maximum) index 6 (High) in May in Walla Walla6
    6 (High) UV index

More about Walla Walla

Walla Walla by month

Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec

Recommended for Washington State

Auto Europe: Cheap car hire deals worldwide

  • Compare car hire prices to find lowest rate
  • Free cancellation up to 48 hours before pick up
  • Book car hire for over 20,000 destinations worldwide
Go to Auto Europe deal >>

View all Auto Europe offers

The May weather guide for Washington State (Walla Walla) 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)

Back to top

More about the USA

How hot is it in Walla Walla in May?

Daytime temperatures usually reach 70°F in Walla Walla in May, falling to 46°F at night.

How sunny is it in Walla Walla in May?

There are normally 9 hours of bright sunshine each day in Walla Walla in May - that's 62% of daylight hours.

Does it rain in Walla Walla in May?

There are usually 8 days with some rain in Walla Walla in May and the average monthly rainfall is 1.8 inches.

Walla Walla May sunrise & sunset times

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

JanFebMarAprMayJunJulAugSepOctNovDec

Date Sunrise times Sunset times
Thursday, 1st May 2025 04:39 19:02
Friday, 16th May 2025 04:19 19:21
Saturday, 31st May 2025 04:06 19:36

Related posts

Popular travel offers

Explore holidays in the sun for less

More holidays

Airport parking

More parking

Airport lounges

More lounges

Top ^