Sloan Iowa Climate Data

Monthly Average Climate Data for Sloan Iowa

Switch Data to Fahrenheit
MonthAvg. LowAvg. HighAvg. Precip
January-11.9 °C-0.9 °C16.26 mm
February-9.6 °C1.7 °C21.08 mm
March-3.5 °C9.2 °C40.39 mm
April2.5 °C16.6 °C82.55 mm
May9.4 °C22.7 °C110.24 mm
June15.4 °C28.2 °C119.63 mm
July17.5 °C29.9 °C89.66 mm
August16 °C28.8 °C102.36 mm
September10.8 °C25.4 °C74.93 mm
October3.6 °C18.2 °C56.39 mm
November-3.5 °C9.2 °C35.81 mm
December-9.2 °C1.6 °C25.65 mm
Annual3.1 °C15.9 °C774.95 mm

Climate Data for Sloan Iowa

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 : -28.9°C to -26.1°C
Plant Hardiness Zone - 2012Zone 5a : -28.9°C to -26.1°C
Current Drought ConditionsExtreme Drought
Köppen Climate ClassificationDfa - Humid Continental Hot Summers With Year Around Precipitation
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