Roswell South Dakota Climate Data

Monthly Average Climate Data for Roswell South Dakota

Switch Data to Fahrenheit
MonthAvg. LowAvg. HighAvg. Precip
January-14.1 °C-3.7 °C12.95 mm
February-11.7 °C-0.7 °C17.02 mm
March-5.7 °C6.1 °C30.23 mm
April0.9 °C14.2 °C69.34 mm
May7.9 °C20.8 °C91.44 mm
June14.1 °C26.3 °C96.01 mm
July16.4 °C29.3 °C72.9 mm
August15.2 °C28.1 °C71.63 mm
September10.3 °C23.8 °C70.61 mm
October2.5 °C15.8 °C54.1 mm
November-5.1 °C6.5 °C22.35 mm
December-11.3 °C-1.1 °C14.73 mm
Annual1.6 °C13.8 °C623.31 mm

Climate Data for Roswell 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 5a : -28.9°C to -26.1°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