Erwin South Dakota Climate Data

Monthly Average Climate Data for Erwin South Dakota

Switch Data to Fahrenheit
MonthAvg. LowAvg. HighAvg. Precip
January-15.4 °C-5.6 °C14.22 mm
February-13.3 °C-2.8 °C17.27 mm
March-6.7 °C3.9 °C28.19 mm
April0.3 °C12.4 °C61.72 mm
May7.4 °C19.4 °C85.85 mm
June13.4 °C24.8 °C107.95 mm
July16.1 °C27.5 °C86.36 mm
August14.7 °C26.3 °C76.45 mm
September9.9 °C22.2 °C69.34 mm
October2.2 °C14.1 °C55.63 mm
November-5.2 °C4.9 °C21.59 mm
December-11.7 °C-2.8 °C17.53 mm
Annual1 °C12 °C642.1 mm

Climate Data for Erwin 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