Williamsburg Massachusetts Climate Data

Monthly Average Climate Data for Williamsburg Massachusetts

Switch Data to Fahrenheit
MonthAvg. LowAvg. HighAvg. Precip
January-11.1 °C-0.2 °C91.44 mm
February-10.3 °C1.5 °C84.84 mm
March-5.6 °C6.1 °C104.39 mm
April0.6 °C13.4 °C106.68 mm
May6.7 °C19.9 °C102.62 mm
June11.8 °C24.6 °C121.16 mm
July14.7 °C27.4 °C111 mm
August13.6 °C26.4 °C112.27 mm
September9.3 °C22.5 °C123.7 mm
October3.2 °C15.4 °C133.1 mm
November-2.3 °C8.8 °C101.09 mm
December-7.2 °C2.8 °C114.3 mm
Annual2 °C14.1 °C1306.59 mm

Climate Data for Williamsburg Massachusetts

Average First Frost DateOct. 1 - Oct. 10
Average Last Frost DateJun. 1 - Jun. 10
Average Days With Frost125-150 Days
Plant Hardiness Zone - 2023Zone 6a : -23.3°C to -20.6°C
Plant Hardiness Zone - 2012Zone 5b : -26.1°C to -23.3°C
Current Drought ConditionsNormal
Köppen Climate ClassificationDfb - Humid Continental Mild Summer, Wet All Year
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