Alleman Iowa Climate Data

Monthly Average Climate Data for Alleman Iowa

Switch Data to Celsius/Metric Units
MonthAvg. LowAvg. HighAvg. Precip
January11.2 °F28.8 °F0.95 in.
February15.3 °F33.5 °F1.17 in.
March26.6 °F46.4 °F2.08 in.
April37.9 °F60.6 °F3.8 in.
May50.0 °F71.1 °F5.05 in.
June60.4 °F80.7 °F5.35 in.
July64.0 °F84.4 °F4.3 in.
August61.5 °F82.4 °F4.26 in.
September52.8 °F76.4 °F3.46 in.
October40.3 °F63.1 °F2.62 in.
November28.1 °F47.6 °F1.85 in.
December17.2 °F34.2 °F1.4 in.
Annual38.8 °F59.1 °F36.29 in.

Climate Data for Alleman 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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