Red Oak Iowa Climate Data

Monthly Average Climate Data for Red Oak Iowa

Switch Data to Fahrenheit
MonthAvg. LowAvg. HighAvg. Precip
January-10.7 °C0.1 °C21.84 mm
February-8.4 °C2.9 °C28.7 mm
March-2.3 °C10.2 °C51.31 mm
April3.4 °C17.1 °C87.12 mm
May10.4 °C22.9 °C147.83 mm
June16.3 °C28 °C140.97 mm
July18.3 °C29.9 °C91.19 mm
August16.8 °C29 °C98.81 mm
September11.6 °C25.6 °C85.09 mm
October4.7 °C18.8 °C77.72 mm
November-2.2 °C9.8 °C48.26 mm
December-7.7 °C2.8 °C34.29 mm
Annual4.2 °C16.4 °C913.13 mm

Climate Data for Red Oak Iowa

Average First Frost DateOct. 1 - Oct. 10
Average Last Frost DateMay 11 - May 20
Average Days With Frost125-150 Days
Plant Hardiness Zone - 2023Zone 5b : -26.1°C to -23.3°C
Plant Hardiness Zone - 2012Zone 5a : -28.9°C to -26.1°C
Current Drought ConditionsModerate Drought
Köppen Climate ClassificationDfa - Humid Continental Hot Summers With Year Around Precipitation
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