Winooski Vermont Climate Data

Monthly Average Climate Data for Winooski Vermont

Switch Data to Fahrenheit
MonthAvg. LowAvg. HighAvg. Precip
January-12 °C-2.3 °C59.18 mm
February-11.2 °C-0.7 °C46.74 mm
March-5.8 °C4.2 °C63.25 mm
April1.4 °C12.3 °C81.53 mm
May8.2 °C19.9 °C89.66 mm
June13.6 °C24.7 °C108.71 mm
July16.4 °C27.2 °C113.03 mm
August15.4 °C26.6 °C102.36 mm
September11.1 °C22.2 °C98.81 mm
October4.8 °C14.6 °C101.35 mm
November-0.7 °C7.7 °C74.42 mm
December-7.1 °C1.3 °C70.61 mm
Annual2.8 °C13.1 °C1009.65 mm

Climate Data for Winooski Vermont

Average First Frost DateOct. 1 - Oct. 10
Average Last Frost DateMay 21 - May 31
Average Days With Frost150-180 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 ConditionsAbnormally Dry
Köppen Climate ClassificationDfb - Humid Continental Mild Summer, Wet All Year
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