Hermosa South Dakota Climate Data

Monthly Average Climate Data for Hermosa South Dakota

Switch Data to Fahrenheit
MonthAvg. LowAvg. HighAvg. Precip
January-9.4 °C2.8 °C6.35 mm
February-8.8 °C3.6 °C11.18 mm
March-4.3 °C8.9 °C19.05 mm
April0.3 °C13.2 °C50.55 mm
May6.2 °C18.3 °C85.34 mm
June11.8 °C24.7 °C85.85 mm
July15.6 °C29.4 °C61.47 mm
August14.4 °C28.8 °C50.04 mm
September9.3 °C23.9 °C37.59 mm
October2.3 °C15.9 °C32.77 mm
November-3.6 °C8.9 °C9.91 mm
December-8.4 °C3.5 °C7.87 mm
Annual2.1 °C15.2 °C457.97 mm

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 : -28.9°C to -26.1°C
Plant Hardiness Zone - 2012Zone 5a : -28.9°C to -26.1°C
Current Drought ConditionsAbnormally Dry
Köppen Climate ClassificationBSk - Cold Semi-Arid Climate
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