Willow Lake South Dakota Climate Data

Monthly Average Climate Data for Willow Lake South Dakota

Switch Data to Fahrenheit
MonthAvg. LowAvg. HighAvg. Precip
January-15.8 °C-5.6 °C13.97 mm
February-13.8 °C-2.8 °C16.51 mm
March-7.2 °C4 °C26.92 mm
April-0.2 °C12.3 °C60.2 mm
May7.1 °C19.3 °C83.57 mm
June13.1 °C24.8 °C104.65 mm
July15.7 °C27.7 °C85.09 mm
August14.3 °C26.6 °C74.17 mm
September9.4 °C22.3 °C67.06 mm
October1.7 °C14.1 °C56.39 mm
November-5.8 °C5 °C21.08 mm
December-12.2 °C-2.7 °C17.02 mm
Annual0.5 °C12.1 °C626.63 mm

Climate Data for Willow Lake South Dakota

Average First Frost DateOct. 1 - Oct. 10
Average Last Frost DateMay 21 - May 31
Average Days With Frost150-180 Days
Plant Hardiness Zone - 2023Zone 4b : -31.7°C to -28.9°C
Plant Hardiness Zone - 2012Zone 4b : -31.7°C to -28.9°C
Current Drought ConditionsAbnormally Dry
Köppen Climate ClassificationDfb - Humid Continental Mild Summer, Wet All Year
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