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 | 20°F | 38°F | 28°F | 5.1" |
| February | 20°F | 40°F | 29°F | 3.4" |
| March | 29°F | 50°F | 38°F | 3.8" |
| April | 39°F | 64°F | 51°F | 4.0" |
| May | 49°F | 73°F | 61°F | 4.1" |
| June | 58°F | 80°F | 68°F | 5.3" |
| July | 63°F | 85°F | 73°F | 6.2" |
| August | 60°F | 82°F | 70°F | 5.8" |
| September | 54°F | 76°F | 64°F | 4.5" |
| October | 43°F | 65°F | 53°F | 4.8" |
| November | 33°F | 53°F | 43°F | 2.9" |
| December | 27°F | 43°F | 34°F | 4.8" |
| Index | Netcong | New Jersey | National |
| Air quality index | 34 | 45 | 42 |
| Pollution index | 3,291,140 | 7,246,891 | 2,726,193 |
| Measurement | Total |
| Days measured | 349 |
| Days with good air quality | 340 |
| Days with moderate air quality | 9 |
| Days w/ poor A.Q. for sensitive groups | 0 |
| Days with unhealthy air quality | 0 |
| Pollutant | Total |
| Arsenic | 0.002% |
| Benzene | 0.050% |
| Carbon Tetrachloride | 0.010% |
| Lead | 0.020% |
| Mercury | 0.001% |
| City | Population | Air Quality Index | National Avg. |
| Mendham, NJ | 4,880 | 34 | 32.0% |
| Allamuchy, NJ | 114 | 34 | 32.0% |
| Byram Center, NJ | 2,017 | 34 | 32.0% |
| Hopatcong, NJ | 14,228 | 34 | 32.0% |
| Mount Arlington, NJ | 5,751 | 34 | 32.0% |
| Netcong, NJ | 3,167 | 34 | 32.0% |
| City | Population | Air Quality Index | National Avg. |
| Morongo Valley, CA | 3,166 | 89 | 78.0% |
| South Blooming Grove, NY | 3,166 | 36 | 28.0% |
| Madison, OH | 3,166 | 34 | 32.0% |
| Tishomingo, OK | 3,166 | 325 | 550.0% |
| Galena, IL | 3,168 | 29 | 42.0% |
| Netcong, NJ | 3,167 | 34 | 32.0% |
Here are the best places to live in New Jersey
Check out the 10 safest cities in New Jersey
Safest States In The US
These are the largest cities in New Jersey