Webster South Dakota Climate Data

Monthly Average Climate Data for Webster South Dakota

Switch Data to Celsius/Metric Units
MonthAvg. LowAvg. HighAvg. Precip
January2.6 °F20.4 °F0.77 in.
February6.5 °F25.4 °F0.73 in.
March18.4 °F37.3 °F1.09 in.
April31.7 °F52.7 °F2.34 in.
May45.1 °F66.2 °F3.19 in.
June56.2 °F75.8 °F3.99 in.
July60.9 °F80.7 °F3.94 in.
August59.0 °F79.3 °F2.67 in.
September50.1 °F71.4 °F2.51 in.
October36.2 °F56.1 °F2.36 in.
November22.1 °F39.2 °F0.65 in.
December9.8 °F25.8 °F0.89 in.
Annual33.2 °F52.5 °F25.13 in.

Climate Data for Webster 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 4a : -30°F to -25°F
Current Drought ConditionsNormal
Köppen Climate ClassificationDfb - Humid Continental Mild Summer, Wet All Year
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