Egan South Dakota Climate Data

Monthly Average Climate Data for Egan South Dakota

Switch Data to Fahrenheit
MonthAvg. LowAvg. HighAvg. Precip
January-15.1 °C-4.9 °C14.48 mm
February-13 °C-2.2 °C19.56 mm
March-6.3 °C4.7 °C35.05 mm
April0.4 °C12.7 °C69.34 mm
May7.7 °C19.6 °C94.49 mm
June13.9 °C25.2 °C113.03 mm
July16.2 °C27.7 °C89.66 mm
August14.6 °C26.3 °C87.63 mm
September9.5 °C22.6 °C78.49 mm
October1.9 °C14.8 °C55.37 mm
November-5.4 °C5.6 °C26.92 mm
December-11.8 °C-2.2 °C22.1 mm
Annual1.1 °C12.5 °C706.12 mm

Climate Data for Egan 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 4b : -31.7°C to -28.9°C
Plant Hardiness Zone - 2012Zone 4b : -31.7°C to -28.9°C
Current Drought ConditionsModerate Drought
Köppen Climate ClassificationDfa - Humid Continental Hot Summers With Year Around Precipitation