Scranton Iowa Climate Data

Monthly Average Climate Data for Scranton Iowa

Switch Data to Fahrenheit
MonthAvg. LowAvg. HighAvg. Precip
January-12.2 °C-2.3 °C22.1 mm
February-9.9 °C0.3 °C28.96 mm
March-3.7 °C7.8 °C50.55 mm
April2.4 °C15.7 °C93.73 mm
May9.4 °C21.7 °C127.25 mm
June15.3 °C27.2 °C128.27 mm
July17.3 °C28.9 °C104.9 mm
August15.8 °C27.7 °C102.36 mm
September10.7 °C24.6 °C81.03 mm
October3.9 °C17.3 °C66.8 mm
November-3.1 °C8.1 °C42.16 mm
December-8.8 °C0.7 °C33.27 mm
Annual3.1 °C14.8 °C881.38 mm

Climate Data for Scranton 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 5a : -28.9°C to -26.1°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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