Sun Prairie Wisconsin Climate Data

Monthly Average Climate Data for Sun Prairie Wisconsin

Switch Data to Celsius/Metric Units
MonthAvg. LowAvg. HighAvg. Precip
January10.5 °F26.8 °F1.46 in.
February13.8 °F30.9 °F1.54 in.
March24.0 °F42.9 °F2.07 in.
April35.5 °F56.5 °F3.74 in.
May47.3 °F68.8 °F4.34 in.
June57.2 °F78.3 °F5.38 in.
July61.5 °F82.0 °F4.35 in.
August59.6 °F80.2 °F4.09 in.
September51.1 °F73.2 °F3.48 in.
October39.5 °F60.0 °F2.87 in.
November28.1 °F44.9 °F2.18 in.
December17.5 °F32.4 °F1.71 in.
Annual37.1 °F56.4 °F37.21 in.

Climate Data for Sun Prairie Wisconsin

Average First Frost DateOct. 1 - Oct. 10
Average Last Frost DateMay 21 - May 31
Average Days With Frost125-150 Days
Plant Hardiness Zone - 2023Zone 5a : -20°F to -15°F
Plant Hardiness Zone - 2012Zone 5a : -20°F to -15°F
Current Drought ConditionsAbnormally Dry
Köppen Climate ClassificationDfa - Humid Continental Hot Summers With Year Around Precipitation