Delaware Ohio Climate Data

Monthly Average Climate Data for Delaware Ohio

Switch Data to Fahrenheit
MonthAvg. LowAvg. HighAvg. Precip
January-6.6 °C1.7 °C74.68 mm
February-5.7 °C3.3 °C56.9 mm
March-1 °C9.3 °C78.23 mm
April4.8 °C16.6 °C99.57 mm
May10.8 °C22.6 °C106.17 mm
June16.1 °C27.1 °C120.9 mm
July17.8 °C28.7 °C111.25 mm
August16.7 °C28 °C87.63 mm
September12.5 °C25 °C82.04 mm
October6.2 °C18.1 °C71.37 mm
November0.7 °C10.7 °C74.93 mm
December-3.5 °C4.3 °C73.66 mm
Annual5.7 °C16.3 °C1037.33 mm

Climate Data for Delaware 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 ClassificationDfa - Humid Continental Hot Summers With Year Around Precipitation