Westford Vermont Climate Data

Monthly Average Climate Data for Westford Vermont

Switch Data to Celsius/Metric Units
MonthAvg. LowAvg. HighAvg. Precip
January8.5 °F26.8 °F2.63 in.
February10.0 °F29.7 °F2.13 in.
March19.8 °F38.7 °F2.76 in.
April33.1 °F53.0 °F3.46 in.
May45.2 °F66.8 °F3.99 in.
June54.8 °F75.1 °F4.51 in.
July59.9 °F79.6 °F4.59 in.
August58.1 °F78.5 °F4.29 in.
September50.4 °F70.8 °F4.04 in.
October39.3 °F57.2 °F4.25 in.
November29.2 °F44.7 °F3.13 in.
December17.6 °F33.1 °F3.17 in.
Annual35.5 °F54.5 °F42.95 in.

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 : -20°F to -15°F
Plant Hardiness Zone - 2012Zone 4b : -25°F to -20°F
Current Drought ConditionsAbnormally Dry
Köppen Climate ClassificationDfb - Humid Continental Mild Summer, Wet All Year
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