New Jersey Weather by Month — Temperature & Rainfall Guide

New Jersey is a region in the United States of America. Many people wonder what the weather conditions are in New Jersey over the year. What is the best time to visit New Jersey?

This page shows the average weather conditions by month in New Jersey over the year in: January, February, March, April, May, June, July, August, September, October, November, December.

In January the weather in New Jersey is generally poor. January is a winter month. The temperatures range from very low in Vernon with 1°C (34°F) to low in Cape May with 6°C (43°F). On average, this month is the coldest month of the year in New Jersey.

Find more detailed climate information for New Jersey in January here.

In February the weather in New Jersey is generally poor. February is a winter month. The average maximum daytime temperatures are low and range from 2°C (36°F) in Vernon to 6°C (43°F) in Berlin.

Find more detailed climate information for New Jersey in February here.

In March the weather in New Jersey ranges from poor in Seaside Heights to unpleasant in Cape May. The temperatures range from low in Vernon with 8°C (46°F) to moderate in Berlin with 13°C (55°F).

Find more detailed climate information for New Jersey in March here.

In April the weather in New Jersey ranges from unpleasant in Princeton to pleasant in Bordentown. The temperatures range from moderate in Beach Haven with 15°C (59°F) to pleasant in Cherry Hill with 19°C (66°F).

Find more detailed climate information for New Jersey in April here.

In May the weather in New Jersey ranges from pleasant in Princeton to perfect in Seaside Heights. The temperatures range from pleasant in Atlantic City with 20°C (68°F) to high in Cherry Hill with 24°C (75°F).

Find more detailed climate information for New Jersey in May here.

In June the weather in New Jersey is generally pleasant. June is a summer month. The average maximum daytime temperatures are high and range from 24°C (75°F) in Budd Lake to 29°C (84°F) in Bellmawr.

Find more detailed climate information for New Jersey in June here.

In July the weather in New Jersey ranges from tolerable in Mount Laurel to perfect in Seaside Heights. July is a summer month. The temperatures range from high in Atlantic City with 27°C (81°F) to very high in Cherry Hill with 31°C (88°F). On average, this month is one of the warmest months of the year in New Jersey. So be prepared and make sure to dress lightly.

Find more detailed climate information for New Jersey in July here.

In August the weather in New Jersey ranges from tolerable in Mount Laurel to pleasant in Seaside Heights. August is a summer month. The average maximum daytime temperatures are high and range from 26°C (79°F) in Budd Lake to 30°C (86°F) in Cherry Hill.

Find more detailed climate information for New Jersey in August here.

In September the weather in New Jersey ranges from pleasant in Seaside Heights to perfect in Mount Laurel. The average maximum daytime temperatures are high and range from 23°C (73°F) in Budd Lake to 26°C (79°F) in Hammonton.

Find more detailed climate information for New Jersey in September here.

In October the weather in New Jersey ranges from unpleasant in Budd Lake to pleasant in Cape May. The temperatures range from moderate in Budd Lake with 16°C (61°F) to pleasant in Cape May with 20°C (68°F).

Find more detailed climate information for New Jersey in October here.

In November the weather in New Jersey ranges from poor in Budd Lake to tolerable in Cape May. The temperatures range from low in Vernon with 10°C (50°F) to moderate in Galloway with 14°C (57°F).

Find more detailed climate information for New Jersey in November here.

In December the weather in New Jersey is generally poor. December is a winter month. The average maximum daytime temperatures are low and range from 5°C (41°F) in Vernon to 10°C (50°F) in Cape May.

Find more detailed climate information for New Jersey in December here.