Casey Iowa Climate Data

Monthly Average Climate Data for Casey Iowa

Switch Data to Celsius/Metric Units
MonthAvg. LowAvg. HighAvg. Precip
January12.0 °F30.3 °F0.83 in.
February16.0 °F35.3 °F1.14 in.
March26.6 °F48.2 °F1.97 in.
April37.5 °F61.2 °F3.68 in.
May49.9 °F71.6 °F5.18 in.
June60.2 °F81.2 °F5.17 in.
July63.9 °F84.7 °F4.17 in.
August61.3 °F82.9 °F4.06 in.
September52.3 °F76.6 °F3.54 in.
October39.9 °F63.9 °F2.77 in.
November27.7 °F48.2 °F1.76 in.
December17.4 °F35.2 °F1.31 in.
Annual38.7 °F59.9 °F35.58 in.

Climate Data for Casey Iowa

Average First Frost DateOct. 1 - Oct. 10
Average Last Frost DateMay 21 - May 31
Average Days With Frost125-150 Days
Plant Hardiness Zone - 2023Zone 5b : -15°F to -10°F
Plant Hardiness Zone - 2012Zone 5a : -20°F to -15°F
Current Drought ConditionsAbnormally Dry
Köppen Climate ClassificationDfa - Humid Continental Hot Summers With Year Around Precipitation
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