Ortley South Dakota Climate Data

Monthly Average Climate Data for Ortley South Dakota

Switch Data to Celsius/Metric Units
MonthAvg. LowAvg. HighAvg. Precip
January2.4 °F20.6 °F0.67 in.
February6.0 °F25.3 °F0.67 in.
March17.9 °F37.5 °F1.08 in.
April31.2 °F53.4 °F2.3 in.
May44.4 °F66.6 °F2.99 in.
June55.4 °F76.2 °F3.89 in.
July60.0 °F81.2 °F3.96 in.
August58.0 °F79.8 °F2.66 in.
September49.3 °F72.0 °F2.52 in.
October35.6 °F56.8 °F2.34 in.
November21.8 °F39.7 °F0.83 in.
December9.4 °F26.0 °F0.75 in.
Annual32.6 °F52.9 °F24.66 in.

Climate Data for Ortley 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 4a : -30°F to -25°F
Current Drought ConditionsNormal
Köppen Climate ClassificationDfb - Humid Continental Mild Summer, Wet All Year
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