Weather By Day

May Des Moines Weather 
May Des Moines Weather
Record High: 97°F
Normal High: 72°F
Normal Low: 51°F
Record Low: 32°F
Avg Monthly Rain: 4.25"
Rec 1 Day Rain: 2.55"

Des Moines Weather In May

The hottest day in Des Moines Iowa in May for the past 71 years was 97 degrees Fahrenheit, registered on May 25, 1967, and the average high is 72. The record low May temperature in Des Moines for the last 71 years was 32 most recently measured on May 2, 1967, and the normal low daily temperature is 51.

US National Weather Service historical Des Moines May Weather data records that on May 6, 1967, the high temperature did not exceed 43 degrees Fahrenheit, the lowest high measured in Des Moines in the past 71 years. NWS data also shows that on May 31, 1970, the lowest measured temperature on that day did not drop below 72 degrees, the highest low temperature measured in Des Moines in the last 71 years.

NWS data indicates that the daily high temperature in Des Moines on May First averages 66 degrees Fahrenheit and the high on the last day of May averages 77 degrees. The average daily low temperature in Des Moines on May First is 47 degrees Fahrenheit and the average low on the last day of May is 57 degrees.

Des Moines usually receives an average of 4.25 inches of precipitation during the month. The most precipitation measured in a single day, as indicated by May Des Moines Weather data, was 2.55 inches on May 31, 1958.