Chelsea Vermont Climate Data

Monthly Average Climate Data for Chelsea Vermont

Switch Data to Celsius/Metric Units
MonthAvg. LowAvg. HighAvg. Precip
January5.9 °F27.3 °F2.67 in.
February6.3 °F30.4 °F2.17 in.
March16.2 °F38.9 °F2.9 in.
April29.0 °F52.6 °F3.08 in.
May40.5 °F66.0 °F3.32 in.
June49.6 °F74.5 °F4.18 in.
July54.6 °F79.0 °F4.54 in.
August52.4 °F77.6 °F3.86 in.
September45.0 °F70.4 °F3.27 in.
October34.3 °F56.8 °F3.96 in.
November25.1 °F44.2 °F2.88 in.
December14.0 °F32.5 °F3.18 in.
Annual31.1 °F54.2 °F40.01 in.

Climate Data for Chelsea Vermont

Average First Frost DateOct. 1 - Oct. 10
Average Last Frost DateJun. 1 - Jun. 10
Average Days With Frost150-180 Days
Plant Hardiness Zone - 2023Zone 5a : -20°F to -15°F
Plant Hardiness Zone - 2012Zone 4a : -30°F to -25°F
Current Drought ConditionsAbnormally Dry
Köppen Climate ClassificationDfb - Humid Continental Mild Summer, Wet All Year