Hepburn Iowa Climate Data

Monthly Average Climate Data for Hepburn Iowa

Switch Data to Celsius/Metric Units
MonthAvg. LowAvg. HighAvg. Precip
January13.0 °F32.6 °F0.82 in.
February17.3 °F37.9 °F1.07 in.
March28.1 °F50.7 °F2.1 in.
April38.4 °F62.7 °F3.38 in.
May50.8 °F72.8 °F5.61 in.
June61.3 °F82.0 °F5.41 in.
July65.0 °F85.6 °F4.35 in.
August62.3 °F84.0 °F3.7 in.
September52.9 °F78.0 °F3.35 in.
October40.5 °F65.7 °F2.92 in.
November28.4 °F50.1 °F1.96 in.
December18.6 °F37.5 °F1.3 in.
Annual39.7 °F61.6 °F35.97 in.

Climate Data for Hepburn 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 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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