De Smet South Dakota Climate Data

Monthly Average Climate Data for De Smet South Dakota

Switch Data to Fahrenheit
MonthAvg. LowAvg. HighAvg. Precip
January-14.9 °C-4.8 °C14.48 mm
February-12.6 °C-1.9 °C17.27 mm
March-6.2 °C4.7 °C28.45 mm
April0.6 °C13 °C60.96 mm
May7.6 °C19.8 °C85.6 mm
June13.7 °C25.3 °C112.52 mm
July16.2 °C28.1 °C88.9 mm
August14.8 °C26.8 °C74.17 mm
September9.9 °C22.7 °C69.85 mm
October2.3 °C14.7 °C53.85 mm
November-5.2 °C5.5 °C20.07 mm
December-11.7 °C-2.1 °C17.02 mm
Annual1.2 °C12.7 °C643.14 mm

Climate Data for De Smet 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 ClassificationDfa - Humid Continental Hot Summers With Year Around Precipitation