Williamstown New York Climate Data

Monthly Average Climate Data for Williamstown New York

Switch Data to Fahrenheit
MonthAvg. LowAvg. HighAvg. Precip
January-11.1 °C-1.6 °C124.71 mm
February-10.4 °C-0.3 °C104.65 mm
March-6.1 °C4.3 °C101.09 mm
April0.6 °C12.3 °C100.08 mm
May6.9 °C19.6 °C109.22 mm
June12.1 °C24.1 °C105.41 mm
July14.7 °C26.5 °C106.43 mm
August13.8 °C25.9 °C108.71 mm
September9.8 °C22.1 °C113.54 mm
October4.2 °C14.8 °C138.68 mm
November-1 °C7.8 °C116.84 mm
December-6.5 °C1.7 °C128.52 mm
Annual2.3 °C13.1 °C1357.88 mm

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 : -26.1°C to -23.3°C
Plant Hardiness Zone - 2012Zone 4b : -31.7°C to -28.9°C
Current Drought ConditionsNormal
Köppen Climate ClassificationDfb - Humid Continental Mild Summer, Wet All Year
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