Roswell Ohio Climate Data

Monthly Average Climate Data for Roswell Ohio

Switch Data to Fahrenheit
MonthAvg. LowAvg. HighAvg. Precip
January-6.8 °C2.1 °C78.23 mm
February-6.2 °C3.8 °C58.42 mm
March-1.9 °C9.3 °C84.07 mm
April3.8 °C16.7 °C97.03 mm
May9.7 °C22.3 °C106.17 mm
June14.6 °C26.8 °C129.79 mm
July16.7 °C28.7 °C106.17 mm
August15.7 °C28.1 °C96.52 mm
September11.7 °C24.6 °C86.61 mm
October5.5 °C17.9 °C82.55 mm
November0.3 °C10.8 °C74.42 mm
December-3.7 °C4.7 °C76.71 mm
Annual5 °C16.3 °C1076.69 mm

Climate Data for Roswell Ohio

Average First Frost DateOct. 11 - Oct. 20
Average Last Frost DateMay 11 - May 20
Average Days With Frost100-125 Days
Plant Hardiness Zone - 2023Zone 6b : -20.6°C to -17.8°C
Plant Hardiness Zone - 2012Zone 6a : -23.3°C to -20.6°C
Current Drought ConditionsAbnormally Dry
Köppen Climate ClassificationDfb - Humid Continental Mild Summer, Wet All Year
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