Flandreau South Dakota Climate Data

Monthly Average Climate Data for Flandreau South Dakota

Switch Data to Celsius/Metric Units
MonthAvg. LowAvg. HighAvg. Precip
January4.5 °F23.0 °F0.56 in.
February8.3 °F27.9 °F0.76 in.
March20.3 °F40.1 °F1.38 in.
April32.4 °F54.5 °F2.7 in.
May45.4 °F67.1 °F3.73 in.
June57.1 °F77.3 °F4.49 in.
July60.9 °F81.7 °F3.55 in.
August57.6 °F79.2 °F3.46 in.
September48.5 °F72.4 °F3.09 in.
October35.1 °F58.3 °F2.18 in.
November21.7 °F41.9 °F1.05 in.
December10.4 °F27.9 °F0.87 in.
Annual33.5 °F54.3 °F27.82 in.

Climate Data for Flandreau 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 : -25°F to -20°F
Plant Hardiness Zone - 2012Zone 4b : -25°F to -20°F
Current Drought ConditionsAbnormally Dry
Köppen Climate ClassificationDfa - Humid Continental Hot Summers With Year Around Precipitation
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