| Month | Temp. (min) | Temp. (max) | Temp. (avg) | Precipitation |
| January | 21°F | 42°F | 31°F | 7.1" |
| February | 23°F | 45°F | 33°F | 5.3" |
| March | 31°F | 54°F | 41°F | 6.5" |
| April | 40°F | 66°F | 52°F | 5.7" |
| May | 49°F | 74°F | 61°F | 6.6" |
| June | 60°F | 85°F | 71°F | 5.5" |
| July | 65°F | 88°F | 76°F | 6.9" |
| August | 62°F | 85°F | 72°F | 10.6" |
| September | 56°F | 78°F | 66°F | 7.9" |
| October | 45°F | 68°F | 55°F | 7.7" |
| November | 35°F | 56°F | 45°F | 6.8" |
| December | 29°F | 48°F | 38°F | 11.9" |
| Index | Dover Beaches South | New Jersey | National |
| Air quality index | 41 | 45 | 42 |
| Pollution index | 13,232,100 | 7,246,891 | 2,726,193 |
| Measurement | Total |
| Days measured | 365 |
| Days with good air quality | 280 |
| Days with moderate air quality | 83 |
| Days w/ poor A.Q. for sensitive groups | 2 |
| Days with unhealthy air quality | 0 |
| Pollutant | Total |
| Arsenic | 0.010% |
| Benzene | 0.100% |
| Carbon Tetrachloride | 0.030% |
| Lead | 0.020% |
| Mercury | 0.003% |
| City | Population | Air Quality Index | National Avg. |
| Barnegat Light, NJ | 461 | 37 | 26.0% |
| Forked River, NJ | 5,066 | 37 | 26.0% |
| Ocean Acres, NJ | 17,325 | 37 | 26.0% |
| Waretown, NJ | 2,514 | 37 | 26.0% |
| Barnegat, NJ | 3,630 | 37 | 26.0% |
| Dover Beaches South, NJ | 1,230 | 41 | 18.0% |
| City | Population | Air Quality Index | National Avg. |
| Hotchkiss, CO | 1,230 | 44 | 12.0% |
| Canaan, CT | 1,230 | 37 | 26.0% |
| Milford, IL | 1,230 | 42 | 16.0% |
| Culver, IN | 1,230 | 42 | 16.0% |
| Bellerose, NY | 1,230 | 51 | 2.0% |
| Dover Beaches South, NJ | 1,230 | 41 | 18.0% |
Here are the best places to live in New Jersey
Safest States In The US
See the best places to live in Dover Beaches South
Most Dangerous States In The US