Walla Walla Weather In April
In the last 60 years the highest measured April temperature in Walla Walla was 96 degrees Fahrenheit, most recently measured on April 25, 1977, and the average high is 64. In the last 60 years the lowest measured April temperature in Walla Walla was 20 measured on April 18, 1966, while the regular low temperature for a given day during the month is 41.
National Weather Service historical Walla Walla April Weather data indicates that on April 8, 1953, the recorded high did not exceed 42 degrees Fahrenheit, the lowest high measured in Walla Walla in the past 60 years. The Weather Service additionally indicates that on April 28, 1987, the low for the day did not drop below 60 degrees, the highest low recorded in Walla Walla in the last 60 years.
National Weather Service data shows that the high temperature in Walla Walla on April First averages 60 degrees Fahrenheit and the high on the final day of April averages 67 degrees. The average recorded low temperature in Walla Walla on April First is 40 degrees Fahrenheit and the average low on the last day of April is 43 degrees.
Walla Walla usually receives an average of 1.83 inches of rain during April. April Walla Walla Weather records show that on April 27, 1990 Walla Walla received 1.62 inches of rain, the most rain measured in a single day in April.