| Month | Temp. (min) | Temp. (max) | Temp. (avg) | Precipitation |
| January | 26°F | 41°F | 33°F | 4.8" |
| February | 28°F | 44°F | 35°F | 0.3" |
| March | 35°F | 51°F | 42°F | 1.8" |
| April | 44°F | 62°F | 53°F | 6.1" |
| May | 54°F | 71°F | 62°F | 8.3" |
| June | 63°F | 80°F | 71°F | 1.8" |
| July | 68°F | 84°F | 76°F | 7.8" |
| August | 66°F | 82°F | 74°F | 2.3" |
| September | 61°F | 76°F | 68°F | 4.8" |
| October | 50°F | 66°F | 57°F | 1.6" |
| November | 39°F | 56°F | 46°F | 1.3" |
| December | 32°F | 47°F | 39°F | 1.2" |
| Index | Smithville | New Jersey | National |
| Air quality index | 37 | 45 | 42 |
| Pollution index | 7,130,990 | 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 | 0.010% |
| Benzene | 0.080% |
| Carbon Tetrachloride | 0.020% |
| Lead | 0.030% |
| Mercury | 0.002% |
| City | Population | Air Quality Index | National Avg. |
| Brigantine, NJ | 8,725 | 37 | 26.0% |
| Mystic Island, NJ | 8,296 | 37 | 26.0% |
| Tuckerton, NJ | 3,373 | 37 | 26.0% |
| Linwood, NJ | 6,719 | 37 | 26.0% |
| Ocean City, NJ | 11,065 | 37 | 26.0% |
| Smithville, NJ | 8,861 | 37 | 26.0% |
| City | Population | Air Quality Index | National Avg. |
| Valley Cottage, NY | 8,861 | 51 | 2.0% |
| Southeast Arcadia, FL | 8,859 | 36 | 28.0% |
| Redlands, CO | 8,863 | 44 | 12.0% |
| Laurens, SC | 8,863 | 46 | 8.0% |
| Covington, TN | 8,863 | 26 | 48.0% |
| Smithville, NJ | 8,861 | 37 | 26.0% |
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