Sherman South Dakota Climate Data

Monthly Average Climate Data for Sherman South Dakota

Switch Data to Celsius/Metric Units
MonthAvg. LowAvg. HighAvg. Precip
January6.1 °F24.2 °F0.67 in.
February10.2 °F28.9 °F0.85 in.
March21.9 °F41.3 °F1.44 in.
April33.5 °F56.1 °F2.87 in.
May46.3 °F68.2 °F3.75 in.
June58.0 °F78.4 °F4.45 in.
July61.4 °F82.5 °F3.57 in.
August58.5 °F80.3 °F3.45 in.
September49.5 °F73.6 °F3.22 in.
October36.3 °F59.5 °F2.26 in.
November23.0 °F43.0 °F1.23 in.
December11.8 °F28.8 °F0.97 in.
Annual34.7 °F55.4 °F28.73 in.

Climate Data for Sherman 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 5a : -20°F to -15°F
Plant Hardiness Zone - 2012Zone 4b : -25°F to -20°F
Current Drought ConditionsModerate Drought
Köppen Climate ClassificationDfa - Humid Continental Hot Summers With Year Around Precipitation