Weather By Day

May Weather In Sioux Falls  
May Sioux Falls Weather
Record High: 100°F
Normal High: 71°F
Normal Low: 45°F
Record Low: 17°F
Avg Monthly Rain: 3.39"
Rec 1 Day Rain: 4.22"

Sioux Falls Weather In May

In the last 65 years the highest measured May temperature in Sioux Falls was 100 degrees Fahrenheit, on May 24, 1967, while the standard high temperature is 71. The lowest documented temperature for Sioux Falls for the past 65 years in May was 17 on May 4, 1967, and the average low daily temperature is 45.

According to National Weather Service historical Sioux Falls May Weather data, on May 11, 1966, the high temperature did not exceed 37 degrees Fahrenheit, the lowest high measured in Sioux Falls in the past 65 years. NWS weather data additionally shows that on May 28, 2006, the lowest recorded temperature on that day did not drop below 73 degrees, the highest low measured in Sioux Falls in the last 65 years.

According to the National Weather Service, the high temperature in Sioux Falls in May on the first day of the month averages 64 degrees and the high on the last day of the month averages 73 degrees. The daily low temperature in Sioux Falls on May First averages 39 degrees Fahrenheit and the low on the last day of May averages 51 degrees.

Sioux Falls usually receives an average of 3.39 inches of precipitation during the month. May Sioux Falls Weather records indicate that on May 29, 2004 Sioux Falls received 4.22 inches of precipitation, the highest amount of rain recorded in a single day in May.