Morristown South Dakota Climate Data

Monthly Average Climate Data for Morristown South Dakota

Switch Data to Celsius/Metric Units
MonthAvg. LowAvg. HighAvg. Precip
January5.6 °F25.9 °F0.33 in.
February9.1 °F29.9 °F0.48 in.
March19.1 °F41.7 °F0.75 in.
April29.8 °F55.7 °F1.37 in.
May41.6 °F67.3 °F2.79 in.
June51.8 °F77.1 °F3.18 in.
July57.2 °F84.9 °F2.96 in.
August55.1 °F84.5 °F1.87 in.
September45.4 °F74.9 °F1.47 in.
October32.4 °F58.4 °F1.45 in.
November19.5 °F42.2 °F0.61 in.
December9.4 °F30.0 °F0.42 in.
Annual31.3 °F56 °F17.68 in.

Climate Data for Morristown 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 4a : -30°F to -25°F
Current Drought ConditionsModerate Drought
Köppen Climate ClassificationBSk - Cold Semi-Arid Climate
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