Hetland South Dakota Climate Data

Monthly Average Climate Data for Hetland South Dakota

Switch Data to Celsius/Metric Units
MonthAvg. LowAvg. HighAvg. Precip
January4.7 °F23.1 °F0.63 in.
February8.9 °F28.1 °F0.79 in.
March20.4 °F40.2 °F1.17 in.
April32.6 °F55.6 °F2.47 in.
May45.4 °F68.0 °F3.77 in.
June56.3 °F77.6 °F4.24 in.
July60.5 °F82.5 °F3.36 in.
August58.1 °F80.2 °F3.27 in.
September49.4 °F73.0 °F2.71 in.
October35.7 °F58.6 °F2.14 in.
November22.3 °F41.8 °F0.99 in.
December10.6 °F28.0 °F0.81 in.
Annual33.7 °F54.7 °F26.35 in.

Climate Data for Hetland 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 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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