Randolph Iowa Climate Data

Monthly Average Climate Data for Randolph Iowa

Switch Data to Fahrenheit
MonthAvg. LowAvg. HighAvg. Precip
January-10.5 °C0.7 °C20.57 mm
February-8.3 °C3.6 °C28.45 mm
March-2.1 °C10.8 °C45.47 mm
April3.7 °C17.6 °C86.61 mm
May10.8 °C23.2 °C140.72 mm
June16.7 °C28.4 °C133.35 mm
July18.7 °C30.3 °C100.58 mm
August17.1 °C29.4 °C89.15 mm
September11.8 °C25.9 °C81.53 mm
October4.8 °C19.2 °C71.88 mm
November-2.2 °C10.3 °C40.64 mm
December-7.7 °C3.3 °C32.77 mm
Annual4.4 °C16.9 °C871.72 mm

Climate Data for Randolph 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 : -26.1°C to -23.3°C
Plant Hardiness Zone - 2012Zone 5b : -26.1°C to -23.3°C
Current Drought ConditionsModerate Drought
Köppen Climate ClassificationDfa - Humid Continental Hot Summers With Year Around Precipitation
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