Colchester Vermont Climate Data

Monthly Average Climate Data for Colchester Vermont

Switch Data to Celsius/Metric Units
MonthAvg. LowAvg. HighAvg. Precip
January10.8 °F27.9 °F2.2 in.
February12.3 °F30.6 °F1.81 in.
March21.9 °F39.5 °F2.42 in.
April34.6 °F54.2 °F2.97 in.
May47.0 °F67.8 °F3.27 in.
June56.9 °F76.4 °F4.16 in.
July62.1 °F81.1 °F3.91 in.
August60.3 °F80.0 °F3.64 in.
September52.6 °F72.2 °F3.33 in.
October41.4 °F58.5 °F3.71 in.
November31.2 °F46.0 °F2.75 in.
December19.8 °F34.4 °F2.69 in.
Annual37.6 °F55.7 °F36.86 in.

Climate Data for Colchester Vermont

Average First Frost DateOct. 11 - Oct. 20
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 5a : -20°F to -15°F
Current Drought ConditionsAbnormally Dry
Köppen Climate ClassificationDfb - Humid Continental Mild Summer, Wet All Year