Why stop at city-to-city? With Local Insights, you can compare neighborhoods, zip codes, or even exact addresses. Access 300+ hyperlocal data points—from schools and crime to housing and amenities—to see which area is the better fit.
| Month | Temp. (min) | Temp. (max) | Temp. (avg) | Precipitation |
| January | 24°F | 43°F | 33°F | 3.8" |
| February | 25°F | 45°F | 34°F | 3.3" |
| March | 32°F | 54°F | 42°F | 3.9" |
| April | 43°F | 67°F | 54°F | 4.1" |
| May | 53°F | 76°F | 63°F | 4.5" |
| June | 63°F | 84°F | 73°F | 5.5" |
| July | 69°F | 90°F | 79°F | 4.4" |
| August | 67°F | 87°F | 77°F | 4.8" |
| September | 60°F | 81°F | 70°F | 3.2" |
| October | 49°F | 70°F | 59°F | 5.1" |
| November | 38°F | 58°F | 48°F | 3.3" |
| December | 31°F | 48°F | 39°F | 5.0" |
| Index | Jersey City | New Jersey | National |
| Air quality index | 51 | 45 | 42 |
| Pollution index | 7,391,620 | 7,246,891 | 2,726,193 |
| Measurement | Total |
| Days measured | 365 |
| Days with good air quality | 169 |
| Days with moderate air quality | 180 |
| Days w/ poor A.Q. for sensitive groups | 16 |
| Days with unhealthy air quality | 0 |
| Pollutant | Total |
| Arsenic | 0.070% |
| Benzene | 0.040% |
| Carbon Tetrachloride | 0.040% |
| Lead | 0.020% |
| Mercury | 0.060% |
| City | Population | Air Quality Index | National Avg. |
| Upper Montclair, NJ | 11,439 | 51 | 2.0% |
| Fords, NJ | 12,509 | 51 | 2.0% |
| Sewaren, NJ | 2,708 | 51 | 2.0% |
| Harrison, NJ | 18,313 | 51 | 2.0% |
| Elizabeth, NJ | 128,484 | 51 | 2.0% |
| Jersey City, NJ | 262,652 | 51 | 2.0% |
| City | Population | Air Quality Index | National Avg. |
| St. Petersburg, FL | 264,001 | 43 | 14.0% |
| Laredo, TX | 260,571 | 41 | 18.0% |
| Kitchener, ON | 259,162 | n/a | |
| Burnaby, BC | 258,827 | n/a | |
| Madison, WI | 258,366 | 39 | 22.0% |
| Jersey City, NJ | 262,652 | 51 | 2.0% |
Here are the best places to live in New Jersey
See the best places to live in Jersey City
These are the 10 cheapest cities in New Jersey
These are the largest cities in New Jersey