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

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

Climate overview of Littleton

Littleton, New Hampshire, United States of America, experiences significant temperature variation throughout the year. Summers bring daytime highs of 26°C (79°F) in July, while winters cool to -3°C (27°F) in January.

The city has a wet climate, receiving around 1142 mm (45 in) of rain/snowfall per year. June is the wettest month.

Littleton Weather by Month

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

Monthly Temperature in Littleton

Depending on the time of the year, temperatures range from comfortable to very cold in Littleton. On average, daytime temperatures range from a comfortable 26°C (79°F) in July to a very cold -3°C (27°F) in January.

Nighttime temperatures range from 14°C (57°F) in July to -14°C (7°F) in January.

Check out our detailed temperature page for more information.

Temperature ranges by month

Rainfall in Littleton

Littleton has a relatively rain/snowy climate with high precipitation levels, averaging 1142 mm (45 in) of rain/snowfall annually. The seasons in Littleton bring significant changes in precipitation. The wettest month, June, receives high rainfall, with an average of 142 mm (5.6 in) of precipitation. This rainfall is distributed across 18 rainy days.

In contrast, the driest month, January, experiences much less snowfall, totaling 53 mm (2.1 in) over 15 snowy days. These distinct seasonal differences provide diverse experiences throughout the year. For more details, please visit our Littleton Precipitation page.

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

Best Time to Visit Littleton

During the months of May, June, July, August and September, Littleton enjoys pleasant weather with average temperatures ranging from 20°C (67°F) to 26°C (79°F). These months are perfect for sightseeing and exploring.

Rainfall during this time ranges from 89 mm (3.5 in) in September to 142 mm (5.6 in) in June. This means you can expect a mix of sunny days and occasional showers.

Need help choosing your next travel destination? We offer a specialized tool that matches you with locations based on your weather preferences. Explore destinations that suit your climate preferences.

Frequently asked questions about the climate in Littleton

What is the best time to visit Littleton?

September typically offers the most optimal weather in Littleton. In contrast, January, February, March, November and December tend to have less optimal conditions.

What temperatures can I expect in Littleton?

Daytime highs range from -3°C (27°F) in January to 26°C (79°F) in July. Nighttime lows range from -14°C (7°F) to 14°C (57°F). Temperatures vary considerably through the year.

How much rain does Littleton get?

Annual rainfall is around 1142 mm (45 in). June is the wettest month with 142 mm (5.6 in), while January is the driest with 53 mm (2.1 in).

Littleton 3-Day Forecast

Littleton (NH) 3-Day Forecast

Littleton on the map

Littleton is highlighted — select any city to see its climate.

Popular this month

Where to go in July — average daytime high across popular destinations.

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