Londonderry Vermont Climate Data

Monthly Average Climate Data for Londonderry Vermont

Switch Data to Fahrenheit
MonthAvg. LowAvg. HighAvg. Precip
January-12.7 °C-1.8 °C92.46 mm
February-12.7 °C-0.4 °C76.71 mm
March-7.9 °C4.1 °C96.77 mm
April-1.3 °C11.2 °C96.01 mm
May5.4 °C18.3 °C96.77 mm
June10.3 °C22.8 °C115.32 mm
July12.7 °C25.5 °C107.7 mm
August11.7 °C24.6 °C106.43 mm
September7.2 °C20.9 °C99.82 mm
October1.4 °C13.6 °C129.54 mm
November-3.7 °C7.1 °C100.33 mm
December-8.7 °C0.9 °C103.89 mm
Annual0.1 °C12.2 °C1221.75 mm

Climate Data for Londonderry Vermont

Average First Frost DateSep. 21 - Sep. 30
Average Last Frost DateJun. 11 - Jun. 20
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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