Adel Iowa Climate Data

Monthly Average Climate Data for Adel Iowa

Switch Data to Celsius/Metric Units
MonthAvg. LowAvg. HighAvg. Precip
January12.0 °F30.1 °F0.92 in.
February16.1 °F35.0 °F1.17 in.
March27.1 °F47.9 °F2.0 in.
April38.4 °F61.5 °F3.6 in.
May50.3 °F72.1 °F4.79 in.
June60.6 °F81.6 °F5.22 in.
July64.7 °F85.6 °F4.12 in.
August61.9 °F83.8 °F4.08 in.
September53.1 °F77.7 °F3.4 in.
October40.9 °F64.0 °F2.6 in.
November28.6 °F48.5 °F1.8 in.
December17.8 °F35.3 °F1.35 in.
Annual39.3 °F60.3 °F35.05 in.

Climate Data for Adel 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 5b : -15°F to -10°F
Plant Hardiness Zone - 2012Zone 5a : -20°F to -15°F
Current Drought ConditionsAbnormally Dry
Köppen Climate ClassificationDfa - Humid Continental Hot Summers With Year Around Precipitation
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