South English Iowa Climate Data

Monthly Average Climate Data for South English Iowa

Switch Data to Celsius/Metric Units
MonthAvg. LowAvg. HighAvg. Precip
January12.6 °F29.6 °F1.21 in.
February16.2 °F34.3 °F1.45 in.
March27.1 °F47.5 °F2.23 in.
April38.4 °F60.9 °F3.77 in.
May50.6 °F71.5 °F5.07 in.
June61.0 °F81.1 °F5.2 in.
July64.2 °F84.6 °F4.11 in.
August61.6 °F82.8 °F4.66 in.
September52.6 °F76.4 °F3.4 in.
October40.6 °F63.5 °F2.97 in.
November28.9 °F48.1 °F2.08 in.
December18.6 °F35.1 °F1.62 in.
Annual39.4 °F59.6 °F37.77 in.

Climate Data for South English Iowa

Average First Frost DateOct. 11 - Oct. 20
Average Last Frost DateMay 11 - May 20
Average Days With Frost125-150 Days
Plant Hardiness Zone - 2023Zone 5b : -15°F to -10°F
Plant Hardiness Zone - 2012Zone 5b : -15°F to -10°F
Current Drought ConditionsAbnormally Dry
Köppen Climate ClassificationDfa - Humid Continental Hot Summers With Year Around Precipitation
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