Weather By Day

August Des Moines Weather 
August Des Moines Weather
Record High: 100°F
Normal High: 84°F
Normal Low: 64°F
Record Low: 42°F
Avg Monthly Rain: 4.51"
Rec 1 Day Rain: 3.52"

Des Moines Weather In August

The record high August temperature in Des Moines Iowa for the last 71 years was 100 degrees Fahrenheit, most recently registered on August 20, 1955, and the normal high is 84. The lowest documented temperature in August for Des Moines for the past 71 years was 42 most recently encountered on August 2, 1950, while the typical low recorded temperature is 64.

United States National Weather Service historical Des Moines August Weather data shows that on August 17, 1963, the high temperature did not exceed 59 degrees Fahrenheit, the lowest high measured in Des Moines in the past 71 years. The Weather Service additionally indicates that on August 3, 1964, the low for the day did not drop below 80 degrees, the highest low recorded in Des Moines in the last 71 years.

NWS data indicates that the daily high temperature in Des Moines on August First averages 86 degrees Fahrenheit and the high on the last day of August averages 81 degrees. The low temperature in Des Moines in August on the first day of the month averages 67 degrees and the low temperature on the last day of the month averages 62 degrees.

Des Moines receives an average of 4.51 inches of precipitation during August. According to August Des Moines Weather records, the most rain measured in a single day in August was 3.52 inches on August 19, 1949.