Temperature in New Jersey in July

Daytime highs, nighttime lows and the warmest cities in New Jersey, the United States of America this July.

New Jersey, the United States of America, a region in the United States of America, experiences maximum daytime temperatures in July ranging from 27°C (81°F) in Atlantic City to 31°C (88°F) in Cherry Hill. Nighttime temperatures generally drop to 21°C (70°F) in Cherry Hill and 22°C (72°F) in Atlantic City. July falls during the summer season. On average, July is the warmest month of the year in New Jersey, the United States of America. So be prepared and pack summer clothes.

What is the temperature of the different cities in New Jersey, the United States of America in July?

To get a sense of July's typical temperatures in the key spots of New Jersey, explore the map below. Click on a point for an in-depth look.

Select a Month

Check the conditions for any month of the year.

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For a detailed overview over the year and the best time to visit New Jersey, check out our New Jersey's climate page.

See also: New Jersey weather by month.

Best Places to Visit in New Jersey in July

Click on a destination dot for more details. Toggle the map to compare temperatures or precipitation across New Jersey.

Conditions Temperatures Precipitation
Avg daytime high -5°C (23°F) cold → 32°C (90°F) hot

Marker color shows the average daytime high temperature in July: blue is cold, red is hot.

See all July weather averages, cities and regions in New Jersey

New Jersey temperatures in July: frequently asked questions

How hot does it get in New Jersey, the United States of America in July?

Daytime temperatures in Seaside Heights typically peak at 29°C (84°F) in July, putting it in the high range.

How cold does it get at night in New Jersey, the United States of America in July?

Seaside Heights sees nighttime lows close to 20°C (68°F) in July.

What is the warmest city in July in New Jersey, the United States of America?

From a thorough analysis of our records, Cherry Hill clearly dominates in terms of high temperatures. The city witnesses daytime temperatures hovering around 31°C (88°F), and evenings that remain near 21°C (70°F).

What is the coldest city in July in New Jersey, the United States of America?

According to our data, Atlantic City holds the title for the coldest city in New Jersey, the United States of America in July. It experiences maximum temperatures of approximately 27°C (81°F) and drops to lows of about 22°C (72°F) during the night.

How much sun does New Jersey, the United States of America get in July?

Seaside Heights usually sees around 269 hours of sunlight, indicating many sunny days.

What is the water temperature in July?

The water temperature averages approximately 23°C (73°F) in Cape May this month, good for swimming and cooling off.

Interested in more climate information?

We have much more information about the climate in New Jersey.

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