Grand Isle Vermont Climate Data

Monthly Average Climate Data for Grand Isle Vermont

Switch Data to Fahrenheit
MonthAvg. LowAvg. HighAvg. Precip
January-12.1 °C-2.6 °C56.39 mm
February-11.2 °C-1.1 °C46.74 mm
March-5.8 °C4 °C57.15 mm
April1.3 °C11.9 °C74.42 mm
May8.3 °C19.6 °C85.34 mm
June13.7 °C24.1 °C107.95 mm
July16.7 °C26.7 °C97.54 mm
August15.6 °C26.3 °C93.47 mm
September11.3 °C22 °C83.31 mm
October5.1 °C14.5 °C94.49 mm
November-0.6 °C7.6 °C69.34 mm
December-7 °C1.1 °C66.55 mm
Annual2.9 °C12.8 °C932.69 mm

Climate Data for Grand Isle 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 5a : -28.9°C to -26.1°C
Plant Hardiness Zone - 2012Zone 5a : -28.9°C to -26.1°C
Current Drought ConditionsNormal
Köppen Climate ClassificationDfb - Humid Continental Mild Summer, Wet All Year
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