| Month | Temp. (min) | Temp. (max) | Temp. (avg) | Precipitation |
| January | 26°F | 42°F | 34°F | 6.3" |
| February | 24°F | 42°F | 32°F | 4.9" |
| March | 31°F | 50°F | 40°F | 7.3" |
| April | 46°F | 67°F | 55°F | 5.0" |
| May | 56°F | 76°F | 65°F | 9.9" |
| June | 64°F | 83°F | 73°F | 8.3" |
| July | 71°F | 87°F | 78°F | 8.3" |
| August | 67°F | 84°F | 75°F | 7.8" |
| September | 61°F | 80°F | 70°F | 4.9" |
| October | 54°F | 72°F | 62°F | 6.3" |
| November | 38°F | 56°F | 46°F | 5.9" |
| December | 33°F | 46°F | 39°F | 5.8" |
| Index | Kenilworth | New Jersey | National |
| Air quality index | 51 | 45 | 42 |
| Pollution index | 12,837,200 | 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 | 0.010% |
| Benzene | 0.110% |
| Carbon Tetrachloride | 0.050% |
| Lead | 0.020% |
| Mercury | 0.230% |
| City | Population | Air Quality Index | National Avg. |
| Dover, NJ | 17,866 | 34 | 32.0% |
| Victory Gardens, NJ | 1,604 | 34 | 32.0% |
| Six Mile Run, NJ | 3,432 | 41 | 18.0% |
| Middlesex, NJ | 13,606 | 41 | 18.0% |
| Middlebush, NJ | 2,737 | 41 | 18.0% |
| Kenilworth, NJ | 8,182 | 51 | 2.0% |
| City | Population | Air Quality Index | National Avg. |
| Gering, NE | 8,179 | 19 | 62.0% |
| Black Mountain, NC | 8,177 | 44 | 12.0% |
| Summit Park, UT | 8,177 | 51 | 2.0% |
| Arcadia, FL | 8,187 | 36 | 28.0% |
| Meraux, LA | 8,187 | 45 | 10.0% |
| Kenilworth, NJ | 8,182 | 51 | 2.0% |
Here are the best places to live in New Jersey
Safest States In The US
Check out the 10 most dangerous cities in New Jersey
These are the 10 cheapest cities in New Jersey