Jackson (NH) Weather & Climate: Best Time to Visit
Average temperatures, rainfall, sunshine and the best time to visit Jackson.
Climate overview of Jackson
Jackson, New Hampshire, 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).
Rain/snowfall is high, totalling around 1425 mm (56 in) per year. October is the wettest month and September the driest. The city also experiences warm summers and very cold winters.
Jackson Weather by Month
Pick a month to see the average temperature, rainfall and sunshine in Jackson - and find the best time to visit.
Monthly Temperature in Jackson
Visitors to Jackson can expect significant temperature changes throughout the year. Average maximum daytime temperatures range from a comfortable 26°C (79°F) in July, the warmest time of the year, to a very cold -2°C (28°F) during cooler months like January.
At night, you can expect temperatures ranging from 13°C (55°F) in July to around -14°C (7°F) during January.
Check out our detailed temperature page for more information.
Temperature ranges by month
Rainfall in Jackson
Jackson is known for its substantial rain/snowfall, with annual precipitation reaching 1425 mm (56 in). While rainfall varies throughout the year, each season offers its own charm. October brings wetter days averaging 158 mm (6.2 in) of precipitation, spread over 15 rainy days.
In contrast, the driest month September experiences a drier climate, with about 89 mm (3.5 in) of rainfall spread across 11 rainy days. For more details, please visit our Jackson 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 Jackson
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
- Fewer rainy days: February, March, August, September and November
- Seasonal pattern: Warm summers and very cold winters
- Coldest conditions: January, with freezing nights around -14°C (7°F).
Frequently asked questions about the climate in Jackson
What is the best time to visit Jackson?
September typically offers the most optimal weather in Jackson. In contrast, January, February, March, April, November and December tend to have less optimal conditions. Jackson has warm summers and very cold winters.
What temperatures can I expect in Jackson?
Daytime highs range from -2°C (28°F) in January to 26°C (79°F) in July. Nighttime lows range from -14°C (7°F) to 13°C (55°F). Temperatures vary considerably through the year.
How much rain does Jackson get?
Annual rainfall is around 1425 mm (56 in). October is the wettest month with 158 mm (6.2 in), while September is the driest with 89 mm (3.5 in).
Jackson 3-Day Forecast
Jackson (NH) 3-Day Forecast
Jackson on the map
Jackson is highlighted - select any city to see its climate.
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