Walla Walla weather in August 2024

Expect 31°C daytime maximum temperatures in the shade with on average 11 hours of sunshine per day in Walla Walla in August. Check more long-term weather averages for Walla Walla in August before you book your next holiday to Washington State in 2024/2025.

  • 31°C maximum daytime temperature in August in Walla Walla31
    31°C max day temperature
  • 11 hours of sunshine per day
  • 4 days with some rainfall in August in Walla Walla4
    4 days with some rainfall
  • 15°C minimum night-time temperature in August in Walla Walla15
    15°C min night temperature
  • 14 hours of daylight per day in August in Walla Walla14
    14 hours of daylight per day
  • Moderate heat & humidity in August in Walla WallaM
    Moderate heat & humidity
  • 20 mm monthly rainfall in August in Walla Walla20
    20 mm of monthly rainfall
  • UV (maximum) index 7 (High) in August in Walla Walla7
    7 (High) UV index

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The August 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 August?

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

How sunny is it in Walla Walla in August?

There are normally 11 hours of bright sunshine each day in Walla Walla in August - that's 79% of daylight hours.

Does it rain in Walla Walla in August?

There are usually 4 days with some rain in Walla Walla in August and the average monthly rainfall is 20mm.

Walla Walla August sunrise & sunset times

Browse the sunrise and sunset times for Walla Walla in August 2024. Select a month to view Walla Walla sunrise and sunset times for the next 12 months.

JanFebMarAprMayJunJulAugSepOctNovDec

Date Sunrise times Sunset times
Thursday, 1st August 2024 05:36 20:22
Friday, 16th August 2024 05:55 19:59
Saturday, 31st August 2024 06:13 19:32

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