Scranton Iowa Climate Data

Monthly Average Climate Data for Scranton Iowa

Switch Data to Celsius/Metric Units
MonthAvg. LowAvg. HighAvg. Precip
January10.1 °F27.9 °F0.87 in.
February14.2 °F32.6 °F1.14 in.
March25.4 °F46.0 °F1.99 in.
April36.3 °F60.3 °F3.69 in.
May48.9 °F71.1 °F5.01 in.
June59.6 °F80.9 °F5.05 in.
July63.2 °F84.0 °F4.13 in.
August60.4 °F81.8 °F4.03 in.
September51.2 °F76.2 °F3.19 in.
October39.0 °F63.2 °F2.63 in.
November26.5 °F46.5 °F1.66 in.
December16.1 °F33.2 °F1.31 in.
Annual37.6 °F58.6 °F34.7 in.

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 : -20°F to -15°F
Plant Hardiness Zone - 2012Zone 5a : -20°F to -15°F
Current Drought ConditionsModerate Drought
Köppen Climate ClassificationDfa - Humid Continental Hot Summers With Year Around Precipitation
2024 plantmaps.com