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.