Onaka South Dakota Climate Data

Monthly Average Climate Data for Onaka South Dakota

Switch Data to Celsius/Metric Units
MonthAvg. LowAvg. HighAvg. Precip
January4.7 °F23.4 °F0.38 in.
February8.4 °F28.0 °F0.53 in.
March19.2 °F40.5 °F0.79 in.
April30.9 °F55.4 °F1.71 in.
May43.4 °F67.8 °F2.99 in.
June54.3 °F77.6 °F3.54 in.
July59.1 °F83.9 °F2.91 in.
August57.2 °F82.7 °F2.33 in.
September47.7 °F74.0 °F2.04 in.
October34.4 °F58.1 °F1.63 in.
November21.2 °F41.6 °F0.57 in.
December10.4 °F28.1 °F0.47 in.
Annual32.6 °F55.1 °F19.89 in.

Climate Data for Onaka 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 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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