Warm
Average highs sit around 31°C, giving warm days by monthly-average standards.
August verdict
Excellent for holiday weather
Average highs sit around 31°C, giving warm days by monthly-average standards. Sunshine averages 11h per day, so bright days are a strong part of the month. Rainfall averages 17mm, which is relatively low for holiday planning.

Monthly averages
Temp
31°C
Rain
17mm
Sun
11h
Weather score
94
Excellent
Warm
Average highs sit around 31°C, giving warm days by monthly-average standards.
Drier
Rainfall averages 17mm, which is relatively low for holiday planning.
Bright
Sunshine averages 11h per day, so bright days are a strong part of the month.
Map
Compare Walla Walla, Washington, United States with nearby places by weather score, rain, sun, temperature, and swim conditions.
August31°C average high
August is one of Walla Walla's warmest months, with daytime heat above the yearly average.
Warmest monthsJune to September
This stretch sets the upper range for average daytime heat.
August17mm average rain
August sits on the drier side of Walla Walla's year, which helps with sightseeing and transfers.
Driest monthsFebruary and April to October
This is the drier part of the year, when outdoor plans usually need less weather flexibility.
August11 hours average sun
August is brighter than Walla Walla's yearly average, though the strongest sunshine usually sits closer to the peak months.
Brightest monthsJune to August
This stretch has the strongest sunshine in the monthly averages.
August94 weather score
August is one of Walla Walla's best weather-score months, combining the strongest overall balance in the yearly averages.
Best weather monthsJune to August
These months have the strongest weather score in the monthly averages.