Okaton South Dakota Climate Data

Monthly Average Climate Data for Okaton South Dakota

Switch Data to Celsius/Metric Units
MonthAvg. LowAvg. HighAvg. Precip
January11.9 °F32.9 °F0.49 in.
February14.6 °F36.9 °F0.64 in.
March23.4 °F47.6 °F1.11 in.
April33.2 °F57.9 °F2.17 in.
May44.8 °F68.7 °F3.31 in.
June55.3 °F79.5 °F3.37 in.
July61.8 °F87.8 °F2.54 in.
August59.6 °F86.7 °F2.15 in.
September50.1 °F77.8 °F1.5 in.
October36.8 °F61.9 °F1.67 in.
November24.3 °F47.1 °F0.6 in.
December14.8 °F35.2 °F0.52 in.
Annual35.9 °F60 °F20.07 in.

Climate Data for Okaton 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 : -20°F to -15°F
Plant Hardiness Zone - 2012Zone 5a : -20°F to -15°F
Current Drought ConditionsNormal
Köppen Climate ClassificationDfa - Humid Continental Hot Summers With Year Around Precipitation
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