Walla Walla weather in January 2026

Expect daytime maximum temperatures of 5°C in Walla Walla in January based on long-term weather averages. There are 2 hours of sunshine per day on average with 12 days with some rainfall and typically 64 mm of rainfall in the month.

  • 5°C maximum daytime temperature in January in Walla Walla5
    5°C max day temperature
  • 2 hours of sunshine per day
  • 12 days with some rainfall in January in Walla Walla12
    12 days with some rainfall
  • -2°C minimum night-time temperature in January in Walla Walla-2
    -2°C min night temperature
  • 9 hours of daylight per day in January in Walla Walla9
    9 hours of daylight per day
  • No heat & humidity in January in Walla Walla0
    No heat & humidity
  • 64 mm monthly rainfall in January in Walla Walla64
    64 mm of monthly rainfall
  • UV (maximum) index 1 (Low) in January in Walla Walla1
    1 (Low) UV index

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Walla Walla by month

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The January 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 cold is it in Walla Walla in January?

Daytime temperatures usually reach 5°C in Walla Walla in January, falling to -2°C at night.

How sunny is it in Walla Walla in January?

There are normally 2 hours of bright sunshine each day in Walla Walla in January - that's 20% of daylight hours.

Does it rain in Walla Walla in January?

There are usually 12 days with some rain in Walla Walla in January and the average monthly rainfall is 64mm. Rain may fall as snow in this month.

Walla Walla January sunrise & sunset times

Browse the sunrise and sunset times for Walla Walla in January 2026. Select a month to view Walla Walla sunrise and sunset times for the next 12 months.

JanFebMarAprMayJunJulAugSepOctNovDec

Date Sunrise times Sunset times
Thursday, 1st January 2026 07:35 16:19
Friday, 16th January 2026 07:31 16:36
Saturday, 31st January 2026 07:17 16:57

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