Storm Lake Iowa Climate Data

Monthly Average Climate Data for Storm Lake Iowa

Switch Data to Celsius/Metric Units
MonthAvg. LowAvg. HighAvg. Precip
January8.9 °F26.1 °F0.75 in.
February13.0 °F30.3 °F0.95 in.
March25.3 °F44.4 °F1.77 in.
April35.9 °F58.2 °F3.73 in.
May48.8 °F70.1 °F4.57 in.
June59.9 °F80.2 °F5.33 in.
July63.0 °F82.4 °F3.3 in.
August60.2 °F80.1 °F4.63 in.
September51.6 °F75.0 °F2.87 in.
October39.0 °F61.7 °F2.31 in.
November26.2 °F45.2 °F1.47 in.
December15.3 °F31.4 °F1.06 in.
Annual37.3 °F57.1 °F32.74 in.

Climate Data for Storm Lake Iowa

Average First Frost DateOct. 1 - Oct. 10
Average Last Frost DateMay 1 - May 10
Average Days With Frost125-150 Days
Plant Hardiness Zone - 2023Zone 5a : -20°F to -15°F
Plant Hardiness Zone - 2012Zone 5a : -20°F to -15°F
Current Drought ConditionsModerate Drought
Köppen Climate ClassificationDfa - Humid Continental Hot Summers With Year Around Precipitation
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