South Hero Vermont Climate Data

Monthly Average Climate Data for South Hero Vermont

Switch Data to Celsius/Metric Units
MonthAvg. LowAvg. HighAvg. Precip
January10.3 °F27.3 °F2.01 in.
February11.8 °F30.1 °F1.66 in.
March21.5 °F39.1 °F2.1 in.
April34.4 °F53.5 °F2.74 in.
May46.8 °F67.4 °F3.23 in.
June56.6 °F75.7 °F4.21 in.
July61.9 °F80.4 °F3.79 in.
August60.0 °F79.4 °F3.5 in.
September52.4 °F71.7 °F3.25 in.
October41.2 °F58.1 °F3.78 in.
November30.9 °F45.6 °F2.71 in.
December19.5 °F34.0 °F2.38 in.
Annual37.3 °F55.2 °F35.36 in.

Climate Data for South Hero Vermont

Average First Frost DateOct. 11 - Oct. 20
Average Last Frost DateMay 11 - May 20
Average Days With Frost125-150 Days
Plant Hardiness Zone - 2023Zone 5b : -15°F to -10°F
Plant Hardiness Zone - 2012Zone 5a : -20°F to -15°F
Current Drought ConditionsNormal
Köppen Climate ClassificationDfb - Humid Continental Mild Summer, Wet All Year