New Brunswick (NJ) Weather & Climate: Best Time to Visit

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

Climate overview of New Brunswick

Temperatures in New Brunswick, New Jersey, United States of America, vary greatly throughout the year. July is the hottest month at 31°C (88°F), while February is the coldest at 5°C (41°F).

The city receives considerable rain/snowfall, with around 1228 mm (48 in) annually. June is the wettest month. The sunniest month is July, with 9.0 hours of sunshine per day on average.

New Brunswick Weather by Month

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

Monthly Temperature in New Brunswick

The climate in New Brunswick is known for significant temperature differences throughout the year, making the weather dynamic. Typically, average maximum daytime temperatures range from a very warm 31°C (88°F) in July to a chilly 5°C (41°F) in the coolest month, February.

Nights vary from 19°C (66°F) in July to around -5°C (23°F) during the colder months.

Check out our detailed temperature page for more information.

Temperature ranges by month

Rainfall in New Brunswick

New Brunswick has a notably wet climate with abundant precipitation, recording 1228 mm (48 in) of rain/snowfall per year. New Brunswick offers a pleasant mix of wetter and slightly drier months. The difference in precipitation between the wettest month June (129 mm (5.1 in)) and the driest month November (74 mm (2.9 in)) is not too significant. For more details, please visit our New Brunswick Precipitation page.

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

Sunshine Hours in New Brunswick

For those who appreciate different seasons, New Brunswick serves as an ideal destination. Expect longer, more sun-filled days in July with an average of 9.0 hours of sunshine daily, and embrace the darker days in December, offering only 4.7 hours of daily sunlight.

Visit our detailed sunshine hours page for more information.

Monthly hours of sunshine

Data from: Trenton, the United States of America (38 KM, 24 Miles).

Daily hours of sunshine

Data from: Trenton, the United States of America (38 KM, 24 Miles).

Best Time to Visit New Brunswick

New Brunswick's weather is most enjoyable during May, June, August, September and October, with comfortable temperatures from 20°C (67°F) to 30°C (85°F). The moderate conditions ensure pleasant weather for exploring the area. Expect varied weather during this period with rainfall between 92 mm (3.6 in) and 129 mm (5.1 in), providing a good balance of sunny and rainy days.

Planning your next adventure but unsure where to go? Our climate tool suggests perfect locations tailored to your preferred weather conditions. Discover your ideal travel destination with our weather planner.

Frequently asked questions about the climate in New Brunswick

What is the best time to visit New Brunswick?

May and September typically offer the most optimal weather in New Brunswick. In contrast, January, February and December tend to have less optimal conditions.

What temperatures can I expect in New Brunswick?

Daytime highs range from 5°C (41°F) in February to 31°C (88°F) in July. Nighttime lows range from -5°C (23°F) to 19°C (66°F). Temperatures vary considerably through the year.

How much rain does New Brunswick get?

Annual rainfall is around 1228 mm (48 in). June is the wettest month with 129 mm (5.1 in), while November is the driest with 74 mm (2.9 in).

How sunny is New Brunswick?

New Brunswick receives around 2,502 hours of sunshine per year. July is the sunniest month with 269 hours, while December is the cloudiest with just 140 hours. Overall, New Brunswick enjoys abundant sunshine.

New Brunswick 3-Day Forecast

New Brunswick (NJ) 3-Day Forecast

New Brunswick on the map

New Brunswick is highlighted — select any city to see its climate.

Popular this month

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

Bucket list

Need travel inspiration? Check out our bucket list articles and be inspired.