Average annual temperatures for New Jersey (13°C/55°F) are the same as the average for United States (13°C/55°F).
Average annual rainfall for New Jersey (1,388mm/55 inches) is significantly above the average for United States (1,039mm/41 inches).
July is the hottest or warmest month in New Jersey, with an average maximum temperate of 31°C/88°F.
January is the coolest or coldest month in New Jersey, with an average minimum temperate of -4°C/25°F.
August is the wettest or most rainy month in New Jersey, with an average rainfall of 155mm/6 inches.
November is the driest or least rainy month in New Jersey, with an average rainfall of 88mm/3 inches.
Camden is the hottest or warmest place in New Jersey, with an average maximum temperate of 14°C/57°F.
Trenton is the coldest place in New Jersey, with an average maximum temperate of 12°C/54°F.
Wayne is the most rainy or wettest place in New Jersey, with an average annual rainfall of 1,513mm/60 inches.
Camden is the least rainy or driest place in New Jersey, with an average annual rainfall of 1,347mm/53 inches.
| Place | Min Temp | Max Temp | Avg Temp | Rainfall |
|---|---|---|---|---|
| Bayonne | 9 | 18 | 14 | 1,383 |
| Camden | 9 | 19 | 14 | 1,347 |
| Cherry Hill | 9 | 19 | 14 | 1,347 |
| East Orange | 9 | 18 | 14 | 1,383 |
| Edison | 7 | 18 | 13 | 1,427 |
| Elizabeth | 9 | 18 | 14 | 1,383 |
| Hoboken | 10 | 17 | 14 | 1,432 |
| Jackson | 7 | 18 | 13 | 1,356 |
| Jersey City | 9 | 18 | 14 | 1,383 |
| Lakewood | 6 | 19 | 12 | 1,395 |
| Middletown | 9 | 18 | 14 | 1,383 |
| New Brunswick | 7 | 18 | 13 | 1,427 |
| Newark | 9 | 18 | 14 | 1,383 |
| North Bergen | 10 | 17 | 14 | 1,432 |
| Passaic | 10 | 17 | 14 | 1,432 |
| Paterson | 10 | 17 | 14 | 1,432 |
| Perth Amboy | 9 | 18 | 14 | 1,383 |
| Piscataway | 7 | 18 | 13 | 1,427 |
| Plainfield | 7 | 18 | 13 | 1,427 |
| Ridgewood | 10 | 17 | 14 | 1,432 |
| South Vineland | 7 | 19 | 13 | 1,483 |
| Toms River | 7 | 19 | 13 | 1,392 |
| Trenton | 6 | 19 | 12 | 1,395 |
| Union | 9 | 18 | 14 | 1,383 |
| Union City | 10 | 17 | 14 | 1,432 |
| Vineland | 7 | 19 | 13 | 1,483 |
| Wayne | 8 | 18 | 13 | 1,513 |
| West New York | 10 | 17 | 14 | 1,432 |