Williamstown New York Climate Data

Monthly Average Climate Data for Williamstown New York

Switch Data to Celsius/Metric Units
MonthAvg. LowAvg. HighAvg. Precip
January12.1 °F29.2 °F4.91 in.
February13.2 °F31.4 °F4.12 in.
March21.1 °F39.7 °F3.98 in.
April33.0 °F54.1 °F3.94 in.
May44.5 °F67.3 °F4.3 in.
June53.7 °F75.3 °F4.15 in.
July58.4 °F79.7 °F4.19 in.
August56.8 °F78.6 °F4.28 in.
September49.6 °F71.8 °F4.47 in.
October39.6 °F58.6 °F5.46 in.
November30.2 °F46.1 °F4.6 in.
December20.3 °F35.0 °F5.06 in.
Annual36 °F55.6 °F53.46 in.

Climate Data for Williamstown New York

Average First Frost DateSep. 21 - Sep. 30
Average Last Frost DateJun. 1 - Jun. 10
Average Days With Frost150-180 Days
Plant Hardiness Zone - 2023Zone 5b : -15°F to -10°F
Plant Hardiness Zone - 2012Zone 4b : -25°F to -20°F
Current Drought ConditionsNormal
Köppen Climate ClassificationDfb - Humid Continental Mild Summer, Wet All Year
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