Londonderry (VT) Weather & Climate: Best Time to Visit
Average temperatures, rainfall, sunshine and the best time to visit Londonderry.
Climate overview of Londonderry
Londonderry, Vermont, United States of America, sees big temperature differences between seasons, with July peaking at 26°C (79°F) and January dropping to -2°C (28°F).
With around 1311 mm (52 in) of annual rain/snowfall, Londonderry has a notably wet climate. However, this rain/snowfall is not evenly distributed — the city has warm summers and very cold winters. The wettest month is October.
Londonderry Weather by Month
Pick a month to see the average temperature, rainfall and sunshine in Londonderry - and find the best time to visit.
Monthly Temperature in Londonderry
Visitors to Londonderry can expect significant temperature changes throughout the year. Average daytime temperatures reach a comfortable 26°C (79°F) in July. In January, the coolest month of the year, temperatures drop to a very cold -2°C (28°F).
At night, temperatures range from around 13°C (55°F) in July to -12°C (10°F) in January.
Check out our detailed temperature page for more information.
Temperature ranges by month
Rainfall in Londonderry
Londonderry is known for its substantial rain/snowfall, with annual precipitation reaching 1311 mm (52 in). Londonderry experiences moderate seasonal variation in rainfall, with monthly averages ranging from 150 mm (5.9 in) in October, the wettest month, and 78 mm (3.1 in) in November, the driest month. For more details, please visit our Londonderry Precipitation page.
The mean monthly precipitation over the year, including rain, hail, and snow
The average number of days each month with precipitation
Best Time to Visit Londonderry
Monthly ratings reflect general weather comfort, based on daytime temperature and rainfall. Swimming and winter conditions are highlighted separately where relevant.
- Best overall: September
- Warmest weather: July and August
- Fewest rainy days: February, March, September and November
- Seasonal pattern: Warm summers and very cold winters
- Coldest conditions: January, with freezing nights around -12°C (10°F).
Frequently asked questions about the climate in Londonderry
What is the best time to visit Londonderry?
September typically offers the most optimal weather in Londonderry. In contrast, January, February, March, November and December tend to have less optimal conditions. Londonderry has warm summers and very cold winters.
What temperatures can I expect in Londonderry?
Daytime highs range from -2°C (28°F) in January to 26°C (79°F) in July. Nighttime lows range from -12°C (10°F) to 13°C (55°F). Temperatures vary considerably through the year.
How much rain does Londonderry get?
Annual rainfall is around 1311 mm (52 in). October is the wettest month with 150 mm (5.9 in), while November is the driest with 78 mm (3.1 in).
Londonderry 3-Day Forecast
Londonderry (VT) 3-Day Forecast
Londonderry on the map
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