Walla Walla weather in July 2025

Expect 31°C daytime maximum temperatures in the shade with on average 13 hours of sunshine per day in Walla Walla in July. Check more long-term weather averages for Walla Walla in July before you book your next holiday to Washington State in 2025/2026.

  • 31°C maximum daytime temperature in July in Walla Walla31
    31°C max day temperature
  • 13 hours of sunshine per day
  • 3 days with some rainfall in July in Walla Walla3
    3 days with some rainfall
  • 15°C minimum night-time temperature in July in Walla Walla15
    15°C min night temperature
  • 15 hours of daylight per day in July in Walla Walla15
    15 hours of daylight per day
  • Moderate heat & humidity in July in Walla WallaM
    Moderate heat & humidity
  • 15 mm monthly rainfall in July in Walla Walla15
    15 mm of monthly rainfall
  • UV (maximum) index 8 (Very High) in July in Walla Walla8
    8 (Very High) UV index

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The July 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 / mm)  |  Imperial (°F / inches)

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How hot is it in Walla Walla in July?

Daytime temperatures usually reach 31°C in Walla Walla in July with moderate heat and humidity, falling to 15°C at night.

How sunny is it in Walla Walla in July?

There are normally 13 hours of bright sunshine each day in Walla Walla in July - that's 82% of daylight hours.

Does it ever rain in Walla Walla in July?

There are usually 3 days with some rain in Walla Walla in July and the average monthly rainfall is 15mm.

Walla Walla July sunrise & sunset times

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

JanFebMarAprMayJunJulAugSepOctNovDec

Date Sunrise times Sunset times
Tuesday, 1st July 2025 04:06 19:48
Wednesday, 16th July 2025 04:18 19:40
Thursday, 31st July 2025 04:35 19:24

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