Dennison Ohio Climate Data

Monthly Average Climate Data for Dennison Ohio

Switch Data to Fahrenheit
MonthAvg. LowAvg. HighAvg. Precip
January-6.9 °C2.5 °C79.5 mm
February-6.2 °C4.3 °C60.2 mm
March-2.1 °C9.8 °C87.12 mm
April3.6 °C17.2 °C97.28 mm
May9.4 °C22.7 °C106.68 mm
June14.2 °C27.1 °C128.02 mm
July16.4 °C29 °C102.11 mm
August15.4 °C28.4 °C96.27 mm
September11.3 °C24.9 °C86.36 mm
October5 °C18.1 °C81.03 mm
November-0.1 °C11.2 °C75.44 mm
December-3.8 °C5.2 °C79.25 mm
Annual4.7 °C16.7 °C1079.26 mm

Climate Data for Dennison 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
2024 plantmaps.com