Walla Walla weather in August 2019

  • 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

Going to Walla Walla? Find the best month to visit Walla Walla based on the weather.

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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 in 2019/2020.

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More about Walla Walla

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The August weather guide for Walla Walla, Washington 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)

Guide to Walla Walla weather in August

The average maximum daytime temperature in Walla Walla in August is a hot 31°C (88°F) with moderate heat & humidity. The average night-time temperature is usually a comfortable 15°C (59°F). There are usually 11 hours of bright sunshine each day, which represents 79% of the 14 hours of daylight.

Expect 20mm (0.8 inches) of rainfall across the whole of August with 4 days with some rain falling. Maximum UV levels will be high (7 UV index) at midday when the skies are clear.

Walla Walla sunrise & sunset times for August 2019

Browse the sunrise & sunset times for Walla Walla in August 2019. Select a month to view Walla Walla sunrise & sunset times for the next twelve months.

JanFebMarAprMayJunJulAugSepOctNovDec

Date Sunrise times Sunset times
Thursday, 1st August 2019 05:35 20:23
Friday, 2nd August 2019 05:37 20:22
Saturday, 3rd August 2019 05:38 20:20
Sunday, 4th August 2019 05:39 20:19
Monday, 5th August 2019 05:40 20:18
Tuesday, 6th August 2019 05:41 20:16
Wednesday, 7th August 2019 05:43 20:15
Thursday, 8th August 2019 05:44 20:13
Friday, 9th August 2019 05:45 20:12
Saturday, 10th August 2019 05:46 20:10
Sunday, 11th August 2019 05:48 20:09
Monday, 12th August 2019 05:49 20:07
Tuesday, 13th August 2019 05:50 20:05
Wednesday, 14th August 2019 05:51 20:04
Thursday, 15th August 2019 05:53 20:02
Friday, 16th August 2019 05:54 20:00
Saturday, 17th August 2019 05:55 19:59
Sunday, 18th August 2019 05:56 19:57
Monday, 19th August 2019 05:58 19:55
Tuesday, 20th August 2019 05:59 19:54
Wednesday, 21st August 2019 06:00 19:52
Thursday, 22nd August 2019 06:01 19:50
Friday, 23rd August 2019 06:03 19:48
Saturday, 24th August 2019 06:04 19:47
Sunday, 25th August 2019 06:05 19:45
Monday, 26th August 2019 06:06 19:43
Tuesday, 27th August 2019 06:07 19:41
Wednesday, 28th August 2019 06:09 19:39
Thursday, 29th August 2019 06:10 19:38
Friday, 30th August 2019 06:11 19:36
Saturday, 31st August 2019 06:12 19:34
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