Williamstown Kentucky Climate Data

Monthly Average Climate Data for Williamstown Kentucky

Switch Data to Fahrenheit
MonthAvg. LowAvg. HighAvg. Precip
January-4.7 °C4.5 °C82.55 mm
February-3.2 °C7.1 °C73.66 mm
March1.1 °C12.2 °C106.17 mm
April6.9 °C19 °C117.35 mm
May12.4 °C23.9 °C124.46 mm
June16.6 °C28.2 °C123.7 mm
July18.7 °C30.1 °C107.44 mm
August18.2 °C29.6 °C82.04 mm
September14.4 °C26.6 °C81.03 mm
October7.9 °C20.5 °C81.79 mm
November2 °C12.7 °C81.79 mm
December-2.1 °C6.8 °C93.73 mm
Annual7.4 °C18.4 °C1155.71 mm

Climate Data for Williamstown Kentucky

Average First Frost DateOct. 21 - Oct. 31
Average Last Frost DateApr. 21 - Apr. 30
Average Days With Frost75-100 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 ConditionsAbnormally Dry
Köppen Climate ClassificationDfa - Humid Continental Hot Summers With Year Around Precipitation
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