Sister Bay Wisconsin Climate Data

Monthly Average Climate Data for Sister Bay Wisconsin

Switch Data to Fahrenheit
MonthAvg. LowAvg. HighAvg. Precip
January-10.7 °C-3.3 °C44.7 mm
February-10.5 °C-2 °C25.4 mm
March-5.6 °C3.3 °C42.42 mm
April0.3 °C9.6 °C71.12 mm
May6.4 °C16.7 °C87.38 mm
June12.2 °C22.3 °C84.33 mm
July15.3 °C25.2 °C74.68 mm
August15.4 °C24.6 °C80.77 mm
September11.3 °C20.3 °C85.34 mm
October5.6 °C13.3 °C86.61 mm
November-0.3 °C6.1 °C58.17 mm
December-6.1 °C0.1 °C42.67 mm
Annual2.8 °C11.4 °C783.59 mm

Climate Data for Sister Bay Wisconsin

Average First Frost DateOct. 11 - Oct. 20
Average Last Frost DateMay 21 - May 31
Average Days With Frost150-180 Days
Plant Hardiness Zone - 2023Zone 5b : -26.1°C to -23.3°C
Plant Hardiness Zone - 2012Zone 5b : -26.1°C to -23.3°C
Current Drought ConditionsNormal
Köppen Climate ClassificationDfb - Humid Continental Mild Summer, Wet All Year
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