Hermosa South Dakota Climate Data

Monthly Average Climate Data for Hermosa South Dakota

Switch Data to Celsius/Metric Units
MonthAvg. LowAvg. HighAvg. Precip
January15.0 °F37.0 °F0.25 in.
February16.2 °F38.5 °F0.44 in.
March24.2 °F48.0 °F0.75 in.
April32.6 °F55.7 °F1.99 in.
May43.2 °F64.9 °F3.36 in.
June53.3 °F76.5 °F3.38 in.
July60.0 °F85.0 °F2.42 in.
August58.0 °F83.9 °F1.97 in.
September48.7 °F75.1 °F1.48 in.
October36.2 °F60.6 °F1.29 in.
November25.6 °F48.1 °F0.39 in.
December16.9 °F38.3 °F0.31 in.
Annual35.8 °F59.3 °F18.03 in.

Climate Data for Hermosa South Dakota

Average First Frost DateSep. 21 - Sep. 30
Average Last Frost DateMay 21 - May 31
Average Days With Frost150-180 Days
Plant Hardiness Zone - 2023Zone 5a : -20°F to -15°F
Plant Hardiness Zone - 2012Zone 5a : -20°F to -15°F
Current Drought ConditionsModerate Drought
Köppen Climate ClassificationBSk - Cold Semi-Arid Climate
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