Westford Vermont Climate Data

Monthly Average Climate Data for Westford Vermont

Switch Data to Fahrenheit
MonthAvg. LowAvg. HighAvg. Precip
January-13.1 °C-2.9 °C66.8 mm
February-12.2 °C-1.3 °C54.1 mm
March-6.8 °C3.7 °C70.1 mm
April0.6 °C11.7 °C87.88 mm
May7.3 °C19.3 °C101.35 mm
June12.7 °C23.9 °C114.55 mm
July15.5 °C26.4 °C116.59 mm
August14.5 °C25.8 °C108.97 mm
September10.2 °C21.6 °C102.62 mm
October4.1 °C14 °C107.95 mm
November-1.6 °C7.1 °C79.5 mm
December-8 °C0.6 °C80.52 mm
Annual1.9 °C12.5 °C1090.93 mm

Climate Data for Westford Vermont

Average First Frost DateOct. 1 - Oct. 10
Average Last Frost DateMay 21 - May 31
Average Days With Frost150-180 Days
Plant Hardiness Zone - 2023Zone 5a : -28.9°C to -26.1°C
Plant Hardiness Zone - 2012Zone 4b : -31.7°C to -28.9°C
Current Drought ConditionsAbnormally Dry
Köppen Climate ClassificationDfb - Humid Continental Mild Summer, Wet All Year
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