Hiawatha Iowa Climate Data

Monthly Average Climate Data for Hiawatha Iowa

Switch Data to Fahrenheit
MonthAvg. LowAvg. HighAvg. Precip
January-11.3 °C-2 °C30.73 mm
February-9.2 °C0.5 °C35.31 mm
March-3.1 °C7.9 °C54.36 mm
April3.1 °C16.1 °C98.3 mm
May9.7 °C22.1 °C121.41 mm
June15.4 °C27.2 °C142.24 mm
July17.3 °C28.8 °C113.03 mm
August15.9 °C27.9 °C111.76 mm
September11.2 °C24.4 °C100.33 mm
October4.6 °C17.2 °C75.44 mm
November-2.1 °C8.3 °C58.42 mm
December-7.9 °C1 °C43.43 mm
Annual3.6 °C15 °C984.76 mm

Climate Data for Hiawatha Iowa

Average First Frost DateOct. 1 - Oct. 10
Average Last Frost DateMay 11 - May 20
Average Days With Frost125-150 Days
Plant Hardiness Zone - 2023Zone 5a : -28.9°C to -26.1°C
Plant Hardiness Zone - 2012Zone 5a : -28.9°C to -26.1°C
Current Drought ConditionsAbnormally Dry
Köppen Climate ClassificationDfa - Humid Continental Hot Summers With Year Around Precipitation
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