Walla Walla Weather In August
The hottest August day in Walla Walla for the past 60 years was 114 degrees Fahrenheit, on August 3, 1961, while the mean high temperature is 89. The lowest documented temperature for Walla Walla for the past 60 years in August was 42 most recently measured on August 25, 1992, and the mean daily low in the month is 61.
According to National Weather Service historical Walla Walla August Weather data, on August 2, 1956, the high temperature did not exceed 58 degrees Fahrenheit, the lowest high measured in Walla Walla in the past 60 years. Weather Service records also indicate that on August 1, 1968, the low temperature for the day was not measured below 92 degrees, the highest low measured in Walla Walla in the last 60 years.
According to the National Weather Service, the high temperature in Walla Walla in August on the first day of the month averages 90 degrees and the high on the last day of the month averages 83 degrees. The daily low temperature in Walla Walla on August First averages 64 degrees Fahrenheit and the low on the last day of August averages 56 degrees.
Walla Walla typically receives an average of 0.84 inches of precipitation during the month. August Walla Walla Weather records indicate that on August 22, 1992 Walla Walla received 2.29 inches of precipitation, the highest amount of rain recorded in a single day in August.