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The weather in New Jersey in July is hot. The average temperatures are between 22°C and 28°C.
You can expect about 3 to 8 days of rain in New Jersey during the month of July. It’s a good idea to bring along your umbrella so that you don’t get caught in poor weather.
Our weather forecast can give you a great sense of what weather to expect in New Jersey in July 2025.
If you’re planning to visit New Jersey in the near future, we highly recommend that you review the 14 day weather forecast for New Jersey before you arrive.
| Month | Temperatures | Rainy Days | Dry Days | Snowy Days | Rainfall | Weather | More details |
|---|---|---|---|---|---|---|---|
| January | 3° / -2° | 6 | 18 | 7 | 50 mm | Awful | New Jersey in January |
| February | 4° / -1° | 5 | 16 | 7 | 64 mm | Awful | New Jersey in February |
| March | 8° / 3° | 5 | 22 | 4 | 70 mm | Bad | New Jersey in March |
| April | 14° / 8° | 5 | 25 | 0 | 63 mm | Good | New Jersey in April |
| May | 19° / 13° | 6 | 25 | 0 | 90 mm | Good | New Jersey in May |
| June | 24° / 18° | 5 | 25 | 0 | 103 mm | Perfect | New Jersey in June |
| July | 28° / 22° | 7 | 24 | 0 | 134 mm | Good | New Jersey in July |
| August | 27° / 22° | 5 | 26 | 0 | 122 mm | Perfect | New Jersey in August |
| September | 24° / 18° | 4 | 26 | 0 | 83 mm | Perfect | New Jersey in September |
| October | 18° / 13° | 5 | 26 | 0 | 79 mm | Good | New Jersey in October |
| November | 12° / 7° | 4 | 25 | 1 | 50 mm | Ok | New Jersey in November |
| December | 7° / 2° | 5 | 21 | 5 | 78 mm | Bad | New Jersey in December |
For a more accurate weather forecast please select a city