Storm Lake Iowa Climate Data

Monthly Average Climate Data for Storm Lake Iowa

Switch Data to Fahrenheit
MonthAvg. LowAvg. HighAvg. Precip
January-12.8 °C-3.3 °C19.05 mm
February-10.6 °C-0.9 °C24.13 mm
March-3.7 °C6.9 °C44.96 mm
April2.2 °C14.6 °C94.74 mm
May9.3 °C21.2 °C116.08 mm
June15.5 °C26.8 °C135.38 mm
July17.2 °C28 °C83.82 mm
August15.7 °C26.7 °C117.6 mm
September10.9 °C23.9 °C72.9 mm
October3.9 °C16.5 °C58.67 mm
November-3.2 °C7.3 °C37.34 mm
December-9.3 °C-0.3 °C26.92 mm
Annual2.9 °C14 °C831.59 mm

Climate Data for Storm Lake Iowa

Average First Frost DateOct. 1 - Oct. 10
Average Last Frost DateMay 11 - May 20
Average Days With Frost125-150 Days
Plant Hardiness Zone - 2023Zone 5a : -28.9°C to -26.1°C
Plant Hardiness Zone - 2012Zone 5a : -28.9°C to -26.1°C
Current Drought ConditionsModerate Drought
Köppen Climate ClassificationDfa - Humid Continental Hot Summers With Year Around Precipitation
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