Williamsburg Massachusetts Climate Data

Monthly Average Climate Data for Williamsburg Massachusetts

Switch Data to Celsius/Metric Units
MonthAvg. LowAvg. HighAvg. Precip
January12.1 °F31.7 °F3.6 in.
February13.4 °F34.7 °F3.34 in.
March22.0 °F43.0 °F4.11 in.
April33.0 °F56.2 °F4.2 in.
May44.0 °F67.8 °F4.04 in.
June53.2 °F76.3 °F4.77 in.
July58.5 °F81.4 °F4.37 in.
August56.5 °F79.5 °F4.42 in.
September48.8 °F72.5 °F4.87 in.
October37.7 °F59.7 °F5.24 in.
November27.9 °F47.9 °F3.98 in.
December19.0 °F37.0 °F4.5 in.
Annual35.5 °F57.3 °F51.44 in.

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 : -10°F to -5°F
Plant Hardiness Zone - 2012Zone 5b : -15°F to -10°F
Current Drought ConditionsNormal
Köppen Climate ClassificationDfb - Humid Continental Mild Summer, Wet All Year
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