Exeter (NH) Weather & Climate: Best Time to Visit

Average temperatures, rainfall, sunshine and the best time to visit Exeter.

Climate overview of Exeter

Exeter, New Hampshire, United States of America, experiences significant temperature variation throughout the year. Summers bring daytime highs of 28°C (82°F) in July, while winters cool to 1°C (34°F) in January.

Rain/snowfall is high, totalling around 1292 mm (51 in) per year. June is the wettest month and January the driest. The city also experiences warm summers and very cold winters. The most sunshine falls in July, with an average of 9.8 hours of daily sunshine.

Exeter Weather by Month

Pick a month to see the average temperature, rainfall and sunshine in Exeter - and find the best time to visit.

Monthly Temperature in Exeter

Depending on the time of the year, temperatures range from comfortable to very cold in Exeter. Average maximum daytime temperatures range from a comfortable 28°C (82°F) in July, the warmest time of the year, to a very cold 1°C (34°F) during cooler months like January.

At night, you can expect temperatures ranging from 16°C (61°F) in July to around -9°C (16°F) during January.

Check out our detailed temperature page for more information.

Temperature ranges by month

Rainfall in Exeter

Exeter has a relatively rain/snowy climate with high precipitation levels, averaging 1292 mm (51 in) of rain/snowfall annually. Year-round, Exeter has a balanced climate with minimal variation in precipitation. The difference between the wettest month, June, with 135 mm (5.3 in), and the driest month, January, with 86 mm (3.4 in), is minimal. For more details, please visit our Exeter Precipitation page.

The mean monthly precipitation over the year, including rain, hail, and snow

Sunshine Hours in Exeter

Seasonal changes in sunshine hours are quite dramatic in Exeter. While July receives considerable daily sunshine with up to 9.8 hours, November marks the darkest time of the year, where sunshine is scarce with only 4.2 hours of sunlight per day.

Visit our detailed sunshine hours page for more information.

Monthly hours of sunshine

Data from: Concord, the United States of America (54 KM, 33 Miles).

Daily hours of sunshine

Data from: Concord, the United States of America (54 KM, 33 Miles).

Humidity in Exeter by Month

Best Time to Visit Exeter

Conditions in Exeter are generally most comfortable in September. They are typically least comfortable in January, February, March and December.

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
  • Most sunshine: July
  • Seasonal pattern: Warm summers and very cold winters
  • Coldest conditions: January, with freezing nights around -9°C (16°F).

Frequently asked questions about the climate in Exeter

What is the best time to visit Exeter?

September typically offers the most optimal weather in Exeter. In contrast, January, February, March and December tend to have less optimal conditions. Exeter has warm summers and very cold winters.

What temperatures can I expect in Exeter?

Daytime highs range from 1°C (34°F) in January to 28°C (82°F) in July. Nighttime lows range from -9°C (16°F) to 16°C (61°F). Temperatures vary considerably through the year.

How much rain does Exeter get?

Annual rainfall is around 1292 mm (51 in). June is the wettest month with 135 mm (5.3 in), while January is the driest with 86 mm (3.4 in).

How sunny is Exeter?

Exeter receives around 2,512 hours of sunshine per year. July is the sunniest month with 295 hours, while November is the cloudiest with just 127 hours. Overall, Exeter enjoys abundant sunshine.

Exeter 3-Day Forecast

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