Hull Iowa Climate Data

Monthly Average Climate Data for Hull Iowa

Switch Data to Celsius/Metric Units
MonthAvg. LowAvg. HighAvg. Precip
January7.4 °F25.8 °F0.67 in.
February11.8 °F30.8 °F0.81 in.
March23.2 °F43.6 °F1.61 in.
April34.5 °F58.5 °F3.03 in.
May47.3 °F70.7 °F4.01 in.
June58.4 °F80.6 °F4.61 in.
July61.8 °F83.7 °F3.37 in.
August59.3 °F81.5 °F3.37 in.
September50.2 °F75.2 °F3.09 in.
October37.4 °F61.8 °F2.42 in.
November24.2 °F44.5 °F1.38 in.
December13.1 °F30.5 °F0.95 in.
Annual35.7 °F57.3 °F29.32 in.

Climate Data for Hull 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 4b : -25°F to -20°F
Current Drought ConditionsModerate Drought
Köppen Climate ClassificationDfa - Humid Continental Hot Summers With Year Around Precipitation
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