Corning Iowa Climate Data

Monthly Average Climate Data for Corning Iowa

Switch Data to Celsius/Metric Units
MonthAvg. LowAvg. HighAvg. Precip
January12.6 °F31.6 °F0.82 in.
February16.8 °F36.8 °F1.15 in.
March27.5 °F49.5 °F2.09 in.
April38.0 °F61.6 °F3.41 in.
May50.3 °F71.9 °F5.32 in.
June60.6 °F81.0 °F5.26 in.
July64.5 °F85.0 °F3.87 in.
August62.0 °F83.4 °F3.5 in.
September52.8 °F76.9 °F3.61 in.
October40.5 °F64.3 °F2.89 in.
November28.3 °F49.2 °F1.92 in.
December18.1 °F36.5 °F1.18 in.
Annual39.3 °F60.6 °F35.02 in.

Climate Data for Corning Iowa

Average First Frost DateOct. 11 - Oct. 20
Average Last Frost DateMay 1 - May 10
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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