Winner South Dakota Climate Data

Monthly Average Climate Data for Winner South Dakota

Switch Data to Celsius/Metric Units
MonthAvg. LowAvg. HighAvg. Precip
January11.8 °F32.7 °F0.53 in.
February15.2 °F37.0 °F0.59 in.
March23.9 °F47.9 °F1.08 in.
April34.2 °F59.0 °F2.77 in.
May45.9 °F69.7 °F3.52 in.
June56.7 °F80.3 °F3.95 in.
July62.2 °F88.1 °F2.5 in.
August60.2 °F86.5 °F2.37 in.
September51.1 °F78.2 °F2.06 in.
October37.5 °F63.4 °F2.02 in.
November25.0 °F47.5 °F0.79 in.
December15.5 °F35.6 °F0.61 in.
Annual36.6 °F60.5 °F22.79 in.

Climate Data for Winner South Dakota

Average First Frost DateOct. 1 - Oct. 10
Average Last Frost DateMay 21 - May 31
Average Days With Frost125-150 Days
Plant Hardiness Zone - 2023Zone 5b : -15°F to -10°F
Plant Hardiness Zone - 2012Zone 5a : -20°F to -15°F
Current Drought ConditionsModerate Drought
Köppen Climate ClassificationDfa - Humid Continental Hot Summers With Year Around Precipitation