Fertile Iowa Climate Data

Monthly Average Climate Data for Fertile Iowa

Switch Data to Celsius/Metric Units
MonthAvg. LowAvg. HighAvg. Precip
January6.9 °F23.7 °F0.95 in.
February10.9 °F28.3 °F1.01 in.
March23.1 °F40.7 °F1.95 in.
April35.0 °F56.4 °F3.78 in.
May47.4 °F68.6 °F5.04 in.
June58.1 °F78.6 °F5.39 in.
July61.5 °F81.8 °F4.53 in.
August58.8 °F79.5 °F3.95 in.
September50.0 °F73.3 °F3.36 in.
October37.5 °F59.9 °F2.45 in.
November25.3 °F43.2 °F1.64 in.
December13.8 °F29.5 °F1.3 in.
Annual35.7 °F55.3 °F35.35 in.

Climate Data for Fertile 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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