Sloan Iowa Climate Data

Monthly Average Climate Data for Sloan Iowa

Switch Data to Celsius/Metric Units
MonthAvg. LowAvg. HighAvg. Precip
January10.6 °F30.3 °F0.64 in.
February14.7 °F35.0 °F0.83 in.
March25.7 °F48.5 °F1.59 in.
April36.5 °F61.9 °F3.25 in.
May48.9 °F72.8 °F4.34 in.
June59.8 °F82.7 °F4.71 in.
July63.5 °F85.9 °F3.53 in.
August60.8 °F83.8 °F4.03 in.
September51.5 °F77.7 °F2.95 in.
October38.5 °F64.7 °F2.22 in.
November25.7 °F48.5 °F1.41 in.
December15.5 °F34.8 °F1.01 in.
Annual37.6 °F60.6 °F30.51 in.

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 : -20°F to -15°F
Plant Hardiness Zone - 2012Zone 5a : -20°F to -15°F
Current Drought ConditionsExtreme Drought
Köppen Climate ClassificationDfa - Humid Continental Hot Summers With Year Around Precipitation
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