Redfield Iowa Climate Data

Monthly Average Climate Data for Redfield Iowa

Switch Data to Celsius/Metric Units
MonthAvg. LowAvg. HighAvg. Precip
January11.7 °F29.8 °F0.89 in.
February15.8 °F34.7 °F1.17 in.
March26.8 °F47.6 °F2.03 in.
April38.0 °F61.2 °F3.67 in.
May50.1 °F71.9 °F4.97 in.
June60.4 °F81.3 °F5.2 in.
July64.4 °F85.3 °F4.18 in.
August61.6 °F83.4 °F4.06 in.
September52.8 °F77.3 °F3.45 in.
October40.5 °F63.9 °F2.68 in.
November28.2 °F48.2 °F1.8 in.
December17.5 °F35.0 °F1.33 in.
Annual39 °F60 °F35.43 in.

Climate Data for Redfield Iowa

Average First Frost DateOct. 1 - Oct. 10
Average Last Frost DateMay 1 - May 10
Average Days With Frost125-150 Days
Plant Hardiness Zone - 2023Zone 5a : -20°F to -15°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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