Casey Iowa Climate Data

Monthly Average Climate Data for Casey Iowa

Switch Data to Fahrenheit
MonthAvg. LowAvg. HighAvg. Precip
January-11.1 °C-0.9 °C21.08 mm
February-8.9 °C1.8 °C28.96 mm
March-3 °C9 °C50.04 mm
April3.1 °C16.2 °C93.47 mm
May9.9 °C22 °C131.57 mm
June15.7 °C27.3 °C131.32 mm
July17.7 °C29.3 °C105.92 mm
August16.3 °C28.3 °C103.12 mm
September11.3 °C24.8 °C89.92 mm
October4.4 °C17.7 °C70.36 mm
November-2.4 °C9 °C44.7 mm
December-8.1 °C1.8 °C33.27 mm
Annual3.7 °C15.5 °C903.73 mm

Climate Data for Casey 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 5b : -26.1°C to -23.3°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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