Rome Iowa Climate Data

Monthly Average Climate Data for Rome Iowa

Switch Data to Fahrenheit
MonthAvg. LowAvg. HighAvg. Precip
January-9.1 °C0.2 °C36.32 mm
February-6.9 °C2.8 °C43.69 mm
March-1.2 °C9.8 °C61.47 mm
April4.9 °C17.3 °C93.98 mm
May11.4 °C23 °C131.32 mm
June16.7 °C28.1 °C127 mm
July18.9 °C30.1 °C105.16 mm
August17.6 °C29.3 °C99.06 mm
September12.8 °C25.7 °C90.93 mm
October6.4 °C18.4 °C73.91 mm
November0 °C10.1 °C56.39 mm
December-5.8 °C3 °C43.94 mm
Annual5.5 °C16.5 °C963.17 mm

Climate Data for Rome 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 6a : -23.3°C to -20.6°C
Plant Hardiness Zone - 2012Zone 5b : -26.1°C to -23.3°C
Current Drought ConditionsAbnormally Dry
Köppen Climate ClassificationDfa - Humid Continental Hot Summers With Year Around Precipitation
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