Jersey City

New Jersey Weather & Climate: the United States of America

Climate by month across New Jersey, the United States of America, average temperatures, rainfall and the best time to visit.

Climate overview of New Jersey

When planning a visit to New Jersey in the United States of America, it helps to know that temperatures typically range from 5°C (41°F) in January up to 29°C (84°F) during the peak of July. Our detailed climate overview is based on data from Seaside Heights, the region's most well-known city. For more detailed climate information about other cities in the area, please see the section beneath the map further down the page.

In New Jersey, during the months of May, June, September and October you can expect comfortable weather, with average temperatures ranging from 19°C (66°F) to 26°C (79°F).

The colder period typically falls in the months of January, February and December.

When it comes to rainfall, New Jersey experiences moderate variations in precipitation across the seasons. You can expect around 140 mm (5.5 in) of rain in December, dropping to 87 mm (3.4 in) in November.

Visitors hoping to maximize their time in the sun should consider planning their trip for July, when daylight hours are at their peak.

Explore New Jersey by month

Pick a month to see the average temperature, rainfall and sunshine in New Jersey — and find the best time to visit. (based on Seaside Heights)

Popular cities by month

Compare cities per month. Toggle cities on/off.

Seaside Heights Cape May Mount Laurel Newark Princeton Parsippany
Day temperature (°C)
Monthly rainfall (mm)
Monthly sunshine (hours)

Climate map of New Jersey

Average daily temperature, monthly rainfall & sunshine hours across cities.

Avg day temp (°C)
32°

Compare popular cities

Average daytime and nighttime temperatures, yearly rainfall and sunshine.

Seaside Heights 5°C (41°F) 29°C (84°F) -4°C (25°F) 20°C (68°F) 1252 mm (49 in) 2,502 hours
Cape May 6°C (43°F) 29°C (84°F) -2°C (28°F) 21°C (70°F) 1112 mm (44 in)
Mount Laurel 5°C (41°F) 31°C (88°F) -4°C (25°F) 20°C (68°F) 1234 mm (49 in) 2,500 hours
Newark 4°C (39°F) 31°C (88°F) -4°C (25°F) 21°C (70°F) 1259 mm (50 in) 2,544 hours
Princeton 4°C (39°F) 31°C (88°F) -6°C (21°F) 19°C (66°F) 1267 mm (50 in) 2,502 hours
Parsippany 3°C (37°F) 30°C (86°F) -7°C (19°F) 18°C (64°F) 1276 mm (50 in) 2,544 hours

Places in New Jersey, the United States of America

Select a city to see its average temperature, precipitation and hours of sunshine over the year.

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Bucket list

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