Willey Iowa Climate Data

Monthly Average Climate Data for Willey Iowa

Switch Data to Celsius/Metric Units
MonthAvg. LowAvg. HighAvg. Precip
January10.5 °F28.2 °F0.83 in.
February14.6 °F32.9 °F1.09 in.
March25.4 °F46.3 °F1.94 in.
April36.2 °F59.9 °F3.5 in.
May48.9 °F70.9 °F4.76 in.
June59.6 °F81.2 °F5.09 in.
July63.2 °F84.0 °F4.09 in.
August60.4 °F81.8 °F4.02 in.
September51.1 °F76.2 °F3.07 in.
October39.2 °F63.2 °F2.62 in.
November26.4 °F46.5 °F1.47 in.
December16.3 °F33.4 °F1.26 in.
Annual37.7 °F58.7 °F33.74 in.

Climate Data for Willey Iowa

Average First Frost DateOct. 1 - Oct. 10
Average Last Frost DateMay 1 - May 10
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 ConditionsModerate Drought
Köppen Climate ClassificationDfa - Humid Continental Hot Summers With Year Around Precipitation
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