Port William Ohio Climate Data

Monthly Average Climate Data for Port William Ohio

Switch Data to Fahrenheit
MonthAvg. LowAvg. HighAvg. Precip
January-6 °C2.6 °C79.76 mm
February-4.8 °C4.6 °C64.52 mm
March-0.4 °C10.2 °C93.47 mm
April5.3 °C17.2 °C110.74 mm
May11.4 °C22.7 °C117.6 mm
June16.2 °C27.3 °C118.11 mm
July17.7 °C28.7 °C109.22 mm
August16.6 °C28.2 °C80.01 mm
September12.6 °C25.4 °C75.18 mm
October6.6 °C18.7 °C77.22 mm
November1.1 °C11.3 °C77.22 mm
December-3.1 °C4.9 °C82.55 mm
Annual6.1 °C16.8 °C1085.6 mm

Climate Data for Port William 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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