Weather By Day

April Sioux City Weather 
April Sioux City Weather
Record High: 97°F
Normal High: 62°F
Normal Low: 37°F
Record Low: -2°F
Avg Monthly Rain: 2.75"
Rec 1 Day Rain: 2.09"
Avg Monthly Snow: 1.6"
Rec 1 Day Snow: 6.8"

Sioux City Weather In April

The highest recorded temperature for Sioux City Iowa for the past 70 years in April was 97 degrees Fahrenheit, most recently measured on April 21, 1980, and the mean high is 62. The lowest reported temperature in April for Sioux City for the past 70 years was -2 on April 2, 1975, and the normal low daily temperature is 37.

US National Weather Service Sioux City April Weather data records that on April 3, 1975, the high temperature did not exceed 20 degrees Fahrenheit, the lowest high measured in Sioux City in the past 70 years. NWS weather data additionally shows that on April 15, 2002, the lowest recorded temperature on that day did not drop below 64 degrees, the highest low measured in Sioux City in the last 70 years.

According to the National Weather Service, the high temperature in Sioux City in April on the first day of the month averages 56 degrees and the high on the last day of the month averages 66 degrees. The average recorded low temperature in Sioux City on April First is 33 degrees Fahrenheit and the average low on the last day of April is 43 degrees.

Sioux City normally receives an average of 2.75 inches of rain during April. April Sioux City Weather records indicated that on April 25, 1998 Sioux City received 2.09 inches of precipitation, the most rain recorded in a single day in April. Sioux City receives an average of 1.6 inches of snow in April. The highest snowfall on a single day in April was 6.8 inches on April 4, 1957.