Wilmington Ohio Climate Data

Monthly Average Climate Data for Wilmington Ohio

Switch Data to Fahrenheit
MonthAvg. LowAvg. HighAvg. Precip
January-6 °C2.7 °C80.01 mm
February-4.8 °C4.6 °C67.06 mm
March-0.3 °C10.2 °C95.76 mm
April5.3 °C17.3 °C113.54 mm
May11.5 °C22.8 °C114.55 mm
June16.3 °C27.4 °C118.11 mm
July17.7 °C28.9 °C107.95 mm
August16.6 °C28.4 °C80.01 mm
September12.7 °C25.6 °C77.22 mm
October6.7 °C18.7 °C78.74 mm
November1.1 °C11.4 °C77.98 mm
December-3.2 °C4.9 °C84.84 mm
Annual6.1 °C16.9 °C1095.77 mm

Climate Data for Wilmington Ohio

Average First Frost DateOct. 21 - Oct. 31
Average Last Frost DateMay 1 - May 10
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
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