Best year time to visit Walla Walla

General weather information about Walla Walla

Average annual temperature is -1.9 °C

Absolute maximum temperature: 22.9 °C

Absolute minimum temperature: -29.4 °C

Number of sunny days: 126 days

Number of rainy days: 143 days

Number of snow days: 96 days

Look at detailed online map of Walla Walla

* Weather data for Walla Walla United States is based on climate observations for 2026 year

Walla Walla air temperature forecast for each month

JanFebMarAprMayJunJulAugSepOctNovDec
Absolute maximum temperature (°C)-0.72.32.57.116.619.820.722.913.86.61.9-4.7
Average daytime temperature (°C)-10.6-11.4-5.9-5.08.114.016.115.28.71.9-2.8-12.6
Average temperature (°C)-12.6-14.5-10.1-10.03.910.013.112.75.6-1.1-5.4-15.3
Average night temperature (°C)-14.5-16.9-13.7-13.90.46.610.710.73.0-3.1-7.9-18.2
Absolute minimum temperature (°C)-29.3-27.8-28.7-27.5-4.9-5.98.32.8-0.3-9.0-14.8-29.4

Walla Walla monthly weather indicators

JanFebMarAprMayJunJulAugSepOctNovDec
Daylight maximum duration (h)6.09.013.016.020.021.021.018.014.011.07.04.0
Daylight mean duration (h)5.48.511.815.218.621.219.816.413.19.76.44.1
Daylight minimum duration (h)4.06.010.013.016.020.018.014.011.08.04.03.0
Sunshine mean duration (h)1.53.65.311.910.411.96.85.66.84.41.31.2
Precipitation (mm)3967133175352181127151368236
Sunny days10111022167246151211
Rainy days115013222927248121
Snow days2016168210008619

Walla Walla - weather forecast by months

Walla Walla weather in januaryWalla Walla weather in februaryWalla Walla weather in marchWalla Walla weather in aprilWalla Walla weather in mayWalla Walla weather in juneWalla Walla weather in julyWalla Walla weather in augustWalla Walla weather in septemberWalla Walla weather in octoberWalla Walla weather in novemberWalla Walla weather in december

Best time to visit Walla Walla:

The best time to visit Walla Walla during the most sunny months:

  • April — 11.9(h)
  • May — 10.4(h)
  • June — 11.9(h)

Months with the longest average daylight duration in Walla Walla:

  • May — 18.6(h)
  • June — 21.2(h)
  • July — 19.8(h)
  • August — 16.4(h)

The largest precipitation sum in Walla Walla is at

  • March — 133(mm)
  • July — 181(mm)
  • August — 127(mm)
  • September — 151(mm)

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    Weather forecast in the closest towns to Walla Walla

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    Frequently asked questions

    When is the best time to visit Walla Walla?
    The historical weather data above shows the warmest, sunniest and driest months to help you choose the best time to visit Walla Walla.
    What is the weather like in Walla Walla?
    See average temperature, rainfall and daylight hours for Walla Walla by month in the table above.
    How many sunny days does Walla Walla have?
    The monthly weather statistics above show sunshine and rainfall patterns for Walla Walla throughout the year.