Reliance South Dakota Climate Data

Monthly Average Climate Data for Reliance South Dakota

Switch Data to Celsius/Metric Units
MonthAvg. LowAvg. HighAvg. Precip
January8.6 °F30.0 °F0.49 in.
February12.3 °F34.6 °F0.62 in.
March22.1 °F46.5 °F0.99 in.
April32.8 °F58.9 °F2.45 in.
May44.9 °F69.8 °F3.4 in.
June55.9 °F80.2 °F3.77 in.
July61.3 °F87.9 °F2.73 in.
August59.1 °F86.0 °F2.51 in.
September49.6 °F78.0 °F2.1 in.
October35.7 °F62.4 °F1.8 in.
November22.6 °F46.3 °F0.7 in.
December12.7 °F33.6 °F0.55 in.
Annual34.8 °F59.5 °F22.11 in.

Climate Data for Reliance South Dakota

Average First Frost DateOct. 1 - Oct. 10
Average Last Frost DateMay 11 - May 20
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 ConditionsSevere Drought
Köppen Climate ClassificationDfa - Humid Continental Hot Summers With Year Around Precipitation
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