North Sioux City South Dakota Climate Data

Monthly Average Climate Data for North Sioux City South Dakota

Switch Data to Celsius/Metric Units
MonthAvg. LowAvg. HighAvg. Precip
January9.6 °F29.0 °F0.61 in.
February13.9 °F34.2 °F0.75 in.
March25.1 °F47.2 °F1.54 in.
April36.2 °F60.9 °F3.12 in.
May48.8 °F72.1 °F4.0 in.
June59.8 °F82.3 °F4.49 in.
July63.4 °F85.5 °F3.25 in.
August60.9 °F83.4 °F3.39 in.
September51.4 °F77.1 °F2.98 in.
October38.5 °F63.9 °F2.38 in.
November25.5 °F47.4 °F1.27 in.
December15.1 °F33.8 °F0.93 in.
Annual37.4 °F59.7 °F28.71 in.

Climate Data for North Sioux City 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 5a : -20°F to -15°F
Current Drought ConditionsSevere Drought
Köppen Climate ClassificationDfa - Humid Continental Hot Summers With Year Around Precipitation
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