Fairfax Vermont Climate Data

Monthly Average Climate Data for Fairfax Vermont

Switch Data to Celsius/Metric Units
MonthAvg. LowAvg. HighAvg. Precip
January8.5 °F26.9 °F2.47 in.
February10.0 °F29.8 °F2.03 in.
March19.9 °F38.8 °F2.6 in.
April33.0 °F53.2 °F3.31 in.
May45.4 °F67.0 °F3.71 in.
June55.0 °F75.2 °F4.39 in.
July60.2 °F79.7 °F4.32 in.
August58.3 °F78.7 °F4.11 in.
September50.7 °F71.0 °F3.87 in.
October39.7 °F57.5 °F4.03 in.
November29.4 °F44.9 °F3.07 in.
December17.8 °F33.3 °F2.96 in.
Annual35.7 °F54.7 °F40.87 in.

Climate Data for Fairfax Vermont

Average First Frost DateOct. 1 - Oct. 10
Average Last Frost DateMay 11 - May 20
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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