Sussex Wisconsin Climate Data

Monthly Average Climate Data for Sussex Wisconsin

Switch Data to Celsius/Metric Units
MonthAvg. LowAvg. HighAvg. Precip
January11.4 °F27.3 °F1.86 in.
February14.4 °F31.0 °F1.7 in.
March23.8 °F42.3 °F2.17 in.
April34.7 °F55.2 °F3.93 in.
May45.6 °F66.9 °F4.14 in.
June55.4 °F76.4 °F4.65 in.
July60.6 °F81.4 °F4.24 in.
August58.9 °F79.4 °F3.61 in.
September50.8 °F72.4 °F3.16 in.
October39.6 °F59.4 °F2.95 in.
November28.5 °F45.1 °F2.17 in.
December18.1 °F32.8 °F2.1 in.
Annual36.8 °F55.8 °F36.68 in.

Climate Data for Sussex Wisconsin

Average First Frost DateOct. 11 - Oct. 20
Average Last Frost DateMay 21 - May 31
Average Days With Frost125-150 Days
Plant Hardiness Zone - 2023Zone 5b : -15°F to -10°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
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