Willow Lake South Dakota Climate Data

Monthly Average Climate Data for Willow Lake South Dakota

Switch Data to Celsius/Metric Units
MonthAvg. LowAvg. HighAvg. Precip
January3.5 °F22.0 °F0.55 in.
February7.1 °F26.9 °F0.65 in.
March19.1 °F39.2 °F1.06 in.
April31.7 °F54.2 °F2.37 in.
May44.7 °F66.8 °F3.29 in.
June55.5 °F76.6 °F4.12 in.
July60.3 °F81.8 °F3.35 in.
August57.7 °F79.9 °F2.92 in.
September49.0 °F72.2 °F2.64 in.
October35.1 °F57.3 °F2.22 in.
November21.6 °F41.0 °F0.83 in.
December10.0 °F27.2 °F0.67 in.
Annual32.9 °F53.8 °F24.67 in.

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 : -25°F to -20°F
Plant Hardiness Zone - 2012Zone 4b : -25°F to -20°F
Current Drought ConditionsAbnormally Dry
Köppen Climate ClassificationDfb - Humid Continental Mild Summer, Wet All Year
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