Winter Wisconsin Climate Data

Monthly Average Climate Data for Winter Wisconsin

Switch Data to Fahrenheit
MonthAvg. LowAvg. HighAvg. Precip
January-17 °C-5.9 °C27.43 mm
February-15.7 °C-2.9 °C25.4 mm
March-9.1 °C3.6 °C40.64 mm
April-1.6 °C11.1 °C70.1 mm
May5.2 °C18.6 °C97.54 mm
June10.7 °C23.7 °C116.59 mm
July13.2 °C25.8 °C110.74 mm
August11.8 °C24.7 °C92.71 mm
September7.7 °C20.5 °C103.89 mm
October1.3 °C12.6 °C88.39 mm
November-5.4 °C3.8 °C44.45 mm
December-12.4 °C-3.2 °C34.8 mm
Annual-0.9 °C11 °C852.68 mm

Climate Data for Winter Wisconsin

Average First Frost DateSep.11 - Sep. 20
Average Last Frost DateJun. 1 - Jun. 10
Average Days With FrostOver 180 Days
Plant Hardiness Zone - 2023Zone 4a : -34.4°C to -31.7°C
Plant Hardiness Zone - 2012Zone 3b : -37.2°C to -34.4°C
Current Drought ConditionsAbnormally Dry
Köppen Climate ClassificationDfb - Humid Continental Mild Summer, Wet All Year
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