Walla Walla weather in October 2025

Expect 18°C daytime maximum temperatures in the shade with on average 6 hours of sunshine per day in Walla Walla in October. Check more long-term weather averages for Walla Walla in October before you book your next holiday to Washington State in 2025/2026.

  • 18°C maximum daytime temperature in October in Walla Walla18
    18°C max day temperature
  • 6 hours of sunshine per day
  • 6 days with some rainfall in October in Walla Walla6
    6 days with some rainfall
  • 5°C minimum night-time temperature in October in Walla Walla5
    5°C min night temperature
  • 11 hours of daylight per day in October in Walla Walla11
    11 hours of daylight per day
  • No heat & humidity in October in Walla Walla0
    No heat & humidity
  • 43 mm monthly rainfall in October in Walla Walla43
    43 mm of monthly rainfall
  • UV (maximum) index 3 (Moderate) in October in Walla Walla3
    3 (Moderate) UV index

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The October 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 October?

Daytime temperatures usually reach 18°C in Walla Walla in October, falling to 5°C at night.

How sunny is it in Walla Walla in October?

There are normally 6 hours of bright sunshine each day in Walla Walla in October - that's 58% of daylight hours.

Does it rain in Walla Walla in October?

There are usually 6 days with some rain in Walla Walla in October and the average monthly rainfall is 43mm.

Walla Walla October sunrise & sunset times

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

JanFebMarAprMayJunJulAugSepOctNovDec

Date Sunrise times Sunset times
Wednesday, 1st October 2025 05:52 17:32
Thursday, 16th October 2025 06:12 17:05
Friday, 31st October 2025 06:33 16:40

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