| Month | Temp. (min) | Temp. (max) | Temp. (avg) | Precipitation |
| January | 29°F | 43°F | 36°F | 4.6" |
| February | 30°F | 44°F | 36°F | 3.9" |
| March | 36°F | 52°F | 43°F | 6.1" |
| April | 46°F | 62°F | 53°F | 4.3" |
| May | 55°F | 71°F | 63°F | 5.1" |
| June | 65°F | 80°F | 72°F | 8.3" |
| July | 70°F | 85°F | 77°F | 6.9" |
| August | 68°F | 83°F | 75°F | 11.2" |
| September | 62°F | 77°F | 69°F | 9.5" |
| October | 52°F | 68°F | 59°F | 6.7" |
| November | 41°F | 57°F | 49°F | 5.5" |
| December | 35°F | 49°F | 42°F | 9.2" |
| Index | Sea Isle City | New Jersey | National |
| Air quality index | 37 | 45 | 42 |
| Pollution index | 5,772,270 | 7,246,891 | 2,726,193 |
| Measurement | Total |
| Days measured | 365 |
| Days with good air quality | 328 |
| Days with moderate air quality | 36 |
| Days w/ poor A.Q. for sensitive groups | 1 |
| Days with unhealthy air quality | 0 |
| Pollutant | Total |
| Arsenic | 0.030% |
| Benzene | 0.040% |
| Carbon Tetrachloride | 0.010% |
| Lead | 0.030% |
| Mercury | 0.030% |
| City | Population | Air Quality Index | National Avg. |
| Margate City, NJ | 5,921 | 37 | 26.0% |
| Ventnor City, NJ | 9,995 | 37 | 26.0% |
| Stone Harbor, NJ | 876 | 37 | 26.0% |
| West Wildwood, NJ | 409 | 37 | 26.0% |
| Northfield, NJ | 8,088 | 37 | 26.0% |
| Sea Isle City, NJ | 2,122 | 37 | 26.0% |
| City | Population | Air Quality Index | National Avg. |
| Thorsby, AL | 2,122 | 53 | 6.0% |
| Moundridge, KS | 2,121 | 40 | 20.0% |
| Eureka Mill, SC | 2,121 | 36 | 28.0% |
| Lillian, AL | 2,120 | 41 | 18.0% |
| South Taft, CA | 2,120 | 67 | 34.0% |
| Sea Isle City, NJ | 2,122 | 37 | 26.0% |
Here are the best places to live in New Jersey
Safest States In The US
Most Dangerous States In The US
Check out the 10 most dangerous cities in New Jersey