Jersey City

New Jersey Weather in July

Average temperatures, rainfall, sunshine and the best places to visit in New Jersey, the United States of America in July.

Planning a trip to New Jersey, the United States of America this July? Here's what you need to know about the weather:

What to Expect in New Jersey in July

New Jersey, the United States of America is a region in the United States of America. July in New Jersey generally has temperatures that range from warm to very warm, with precipitation levels ranging from moderate to high. During July, summer is in full swing.

Temperatures

Based on our climate data spanning from 1990-2020, the average maximum temperature is warm in Atlantic City at 27°C (81°F) to very warm in Cherry Hill at 31°C (88°F). Nighttime temperatures generally drop to 21°C (70°F) in Cherry Hill and 22°C (72°F) in Atlantic City. 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.

To explore the conditions in New Jersey, the United States of America in more detail, check the map below.

Precipitation

In July, precipitation varies across different areas. From moderate rainfall in North Wildwood with an average of 72 mm (2.8 in) to high rainfall in Plainsboro with 139 mm (5.5 in).

Average sunshine

Sunshine is generally plentiful throughout many areas. Seaside Heights enjoys about 269 hours of sunlight, ideal for those seeking sunny weather.

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)

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.

perfect weather
pleasant
tolerable
unpleasant
poor

Perfect weather is subjective. On this map perfect weather has been defined with temperatures between 20°C (68°F) and 29°C (84°F) and not too much precipitation (less than 90 mm (3.5 in) a month).

Popular Destinations in New Jersey

What is the weather like in July for some of the most popular destinations in New Jersey, the United States of America?

Temperature range in New Jersey (July)

Precipitation variation in New Jersey (July)

Seaside Heights

In July Seaside Heights generally has high temperatures with maximum daytime temperatures around 29°C (84°F), minimum nighttime temperatures around 20°C (68°F) and moderate monthly rainfall. So on average the conditions are perfect that month.

June
July
August
Max temperature
26°C (79°F)
29°C (84°F)
28°C (82°F)
Min temperature
17°C (63°F)
20°C (68°F)
19°C (66°F)
Monthly sun hours
262 hours
269 hours
252 hours
Monthly rainfall
114 mm (4.5 in)
97 mm (3.8 in)
115 mm (4.5 in)
Monthly rainy days
13 days
12 days
11 days
Weather conditions

Cape May

In July Cape May generally has high temperatures with maximum daytime temperatures around 29°C (84°F), minimum nighttime temperatures around 21°C (70°F) and moderate monthly rainfall. So on average the conditions are perfect that month.

June
July
August
Max temperature
27°C (81°F)
29°C (84°F)
29°C (84°F)
Min temperature
18°C (64°F)
21°C (70°F)
20°C (68°F)
Monthly rainfall
104 mm (4.1 in)
79 mm (3.1 in)
108 mm (4.3 in)
Monthly rainy days
12 days
11 days
9 days
Weather conditions

Mount Laurel

In July Mount Laurel generally has very high temperatures with maximum daytime temperatures around 31°C (88°F), minimum nighttime temperatures around 20°C (68°F) and high monthly rainfall. So on average the conditions are tolerable that month.

June
July
August
Max temperature
28°C (82°F)
31°C (88°F)
30°C (86°F)
Min temperature
17°C (63°F)
20°C (68°F)
18°C (64°F)
Monthly sun hours
272 hours
275 hours
260 hours
Monthly rainfall
111 mm (4.4 in)
127 mm (5 in)
121 mm (4.8 in)
Monthly rainy days
12 days
13 days
10 days
Weather conditions

Newark

In July Newark generally has very high temperatures with maximum daytime temperatures around 31°C (88°F), minimum nighttime temperatures around 21°C (70°F) and high monthly rainfall. So on average the conditions are tolerable that month.

June
July
August
Max temperature
28°C (82°F)
31°C (88°F)
29°C (84°F)
Min temperature
17°C (63°F)
21°C (70°F)
19°C (66°F)
Monthly sun hours
259 hours
271 hours
270 hours
Monthly rainfall
134 mm (5.3 in)
111 mm (4.4 in)
126 mm (5 in)
Monthly rainy days
13 days
12 days
11 days
Weather conditions

Princeton

In July Princeton generally has very high temperatures with maximum daytime temperatures around 31°C (88°F), minimum nighttime temperatures around 19°C (66°F) and high monthly rainfall. So on average the conditions are tolerable that month.

June
July
August
Max temperature
28°C (82°F)
31°C (88°F)
29°C (84°F)
Min temperature
16°C (61°F)
19°C (66°F)
17°C (63°F)
Monthly sun hours
262 hours
269 hours
252 hours
Monthly rainfall
128 mm (5 in)
138 mm (5.4 in)
123 mm (4.8 in)
Monthly rainy days
13 days
12 days
11 days
Weather conditions

Is your destination not in the list? Have a look at all destinations in New Jersey, in the United States of America.

In our records: the United States of America July extremes

Notable July records observed across cities in the United States of America in our climate database (1976 – 2026). Historic readings can vary in quality, so treat these as illustrative.

  • In our records, the warmest July day in the United States of America reached 51°C (124°F) in Palm Desert on July 28, 1995.

Popular cities in July

Day & night temperatures, rainfall and average weather in New Jersey in July.

City Weather Day temp Night temp Rainfall
Seaside Heights 29°C (84°F) 20°C (68°F) 97 mm (3.8 in)
Cape May 29°C (84°F) 21°C (70°F) 79 mm (3.1 in)
Mount Laurel 31°C (88°F) 20°C (68°F) 127 mm (5 in)
Newark 31°C (88°F) 21°C (70°F) 111 mm (4.4 in)
Princeton 31°C (88°F) 19°C (66°F) 138 mm (5.4 in)
Parsippany 30°C (86°F) 18°C (64°F) 115 mm (4.5 in)

New Jersey weather in July: frequently asked questions

What is the weather like in New Jersey, the United States of America in July?

Expect perfect weather across New Jersey, the United States of America in July. The popular destination of Seaside Heights averages 29°C (84°F) by day and 20°C (68°F) at night during this summer month.

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

Daytime temperatures in Seaside Heights peak at roughly 29°C (84°F) in July, dropping to about 20°C (68°F) overnight.

Does New Jersey, the United States of America get a lot of rain in July?

Rain is generally moderate to light in New Jersey, the United States of America during July, with Seaside Heights averaging close to 97 mm (3.8 in).

Is July a Good Time to Visit New Jersey, the United States of America?

We believe that July is one of the best times to visit New Jersey, the United States of America with overall perfect weather in Seaside Heights.

Generally speaking, the best visiting conditions can be found in May and July offering mostly perfect weather in Seaside Heights. The weather in January, February, March and December, on the other hand, tends to be poor.

Interested in more climate information?

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

Weather and climate has detailed information for every country in the world. Are you going to the United States of America? Get detailed historical weather averages for many cities in the United States of America.

Not sure yet where to go? We now have a tool which recommends destinations that suit your ideal travel conditions. Find out where to go with our weather planner.

Bucket list

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