Defiance Ohio Climate Data

Monthly Average Climate Data for Defiance Ohio

Switch Data to Fahrenheit
MonthAvg. LowAvg. HighAvg. Precip
January-8 °C0.3 °C62.74 mm
February-7.1 °C2.2 °C53.85 mm
March-2.4 °C8.1 °C63.5 mm
April3.2 °C15.6 °C88.9 mm
May9.7 °C21.9 °C104.14 mm
June15.3 °C27.1 °C92.71 mm
July17.1 °C29.2 °C92.71 mm
August15.8 °C27.9 °C89.41 mm
September11.6 °C24.8 °C76.45 mm
October5.5 °C17.6 °C70.1 mm
November0 °C9.7 °C73.66 mm
December-4.7 °C3.1 °C61.72 mm
Annual4.7 °C15.6 °C929.89 mm

Climate Data for Defiance Ohio

Average First Frost DateOct. 21 - Oct. 31
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 6a : -23.3°C to -20.6°C
Current Drought ConditionsNormal
Köppen Climate ClassificationDfa - Humid Continental Hot Summers With Year Around Precipitation