Williamstown West Virginia Climate Data

Monthly Average Climate Data for Williamstown West Virginia

Switch Data to Fahrenheit
MonthAvg. LowAvg. HighAvg. Precip
January-5.8 °C4.2 °C83.82 mm
February-4.9 °C6.1 °C77.98 mm
March-1.1 °C11.5 °C102.11 mm
April4.5 °C19.2 °C96.27 mm
May10.2 °C23.8 °C110.49 mm
June15.3 °C27.9 °C119.13 mm
July17.4 °C29.8 °C119.89 mm
August16.8 °C29.4 °C92.2 mm
September12.6 °C25.9 °C86.11 mm
October5.7 °C19.6 °C72.14 mm
November0.3 °C12.7 °C74.68 mm
December-3 °C6.8 °C86.61 mm
Annual5.7 °C18.1 °C1121.43 mm

Climate Data for Williamstown West Virginia

Average First Frost DateOct. 21 - Oct. 31
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 6b : -20.6°C to -17.8°C
Current Drought ConditionsNormal
Köppen Climate ClassificationDfa - Humid Continental Hot Summers With Year Around Precipitation
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