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

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

Climate overview of East Brunswick

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

With around 1220 mm (48 in) of annual rain/snowfall, East Brunswick has a notably wet climate. However, this rain/snowfall is not evenly distributed, the city has very warm summers and cold winters. The wettest month is December. The sunniest month is July, with 9.0 hours of sunshine per day on average.

East Brunswick Weather by Month

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

Monthly Temperature in East Brunswick

The climate in East Brunswick is known for significant temperature differences throughout the year, making the weather dynamic. Average daytime temperatures reach a very warm 31°C (88°F) in July. In January, the coolest month of the year, temperatures drop to a chilly 5°C (41°F).

At night, temperatures range from around 19°C (66°F) in July to -5°C (23°F) in January.

Check out our detailed temperature page for more information.

Temperature ranges by month

Rainfall in East Brunswick

East Brunswick has a notably wet climate with abundant precipitation, recording 1220 mm (48 in) of rain/snowfall per year. East Brunswick experiences moderate seasonal variation in rainfall, with monthly averages ranging from 128 mm (5 in) in December, the wettest month, and 74 mm (2.9 in) in November, the driest month. For more details, please visit our East Brunswick Precipitation page.

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

Sunshine Hours in East Brunswick

East Brunswick can be enjoyed more throughout the sunniest month of July under a blue sky, with approximately 9.0 hours of sunshine daily. In contrast, the city experiences much darker days in December, with only 4.7 hours of sunlight per day.

Visit our detailed sunshine hours page for more information.

Monthly hours of sunshine

Data from: Trenton, the United States of America (36 KM, 22 Miles).

Daily hours of sunshine

Data from: Trenton, the United States of America (36 KM, 22 Miles).

Best Time to Visit East Brunswick

For comfortable weather, consider visiting East Brunswick in September. Conditions are usually least favourable in January, February 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: June and July
  • Fewest rainy days: February, March, September and November
  • Seasonal pattern: Very warm summers and cold winters
  • Coldest conditions: January, with freezing nights around -5°C (23°F).

Frequently asked questions about the climate in East Brunswick

What is the best time to visit East Brunswick?

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

What temperatures can I expect in East Brunswick?

Daytime highs range from 5°C (41°F) in January 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 East Brunswick get?

Annual rainfall is around 1220 mm (48 in). December is the wettest month with 128 mm (5 in), while November is the driest with 74 mm (2.9 in).

How sunny is East Brunswick?

East 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, East Brunswick enjoys abundant sunshine.

East Brunswick 3-Day Forecast

East Brunswick on the map

East Brunswick is highlighted - select any city to see its climate.

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