Harrison South Dakota Climate Data

Monthly Average Climate Data for Harrison South Dakota

Switch Data to Celsius/Metric Units
MonthAvg. LowAvg. HighAvg. Precip
January9.9 °F30.1 °F0.54 in.
February13.7 °F35.2 °F0.73 in.
March23.5 °F46.9 °F1.18 in.
April34.5 °F59.0 °F2.93 in.
May46.5 °F70.6 °F3.66 in.
June57.5 °F80.7 °F3.83 in.
July62.6 °F87.2 °F2.99 in.
August60.4 °F85.1 °F2.92 in.
September50.8 °F77.3 °F2.64 in.
October37.3 °F62.2 °F2.08 in.
November24.3 °F46.7 °F0.87 in.
December14.1 °F33.5 °F0.67 in.
Annual36.3 °F59.5 °F25.04 in.

Climate Data for Harrison 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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