| Month | Temp. (min) | Temp. (max) | Temp. (avg) | Precipitation |
| January | 27°F | 45°F | 36°F | 5.4" |
| February | 24°F | 40°F | 31°F | 4.1" |
| March | 32°F | 52°F | 41°F | 6.0" |
| April | 41°F | 63°F | 52°F | 9.8" |
| May | 49°F | 74°F | 61°F | 5.0" |
| June | 62°F | 84°F | 73°F | 6.8" |
| July | 66°F | 87°F | 76°F | 5.2" |
| August | 65°F | 87°F | 75°F | 7.6" |
| September | 57°F | 83°F | 69°F | 1.3" |
| October | 52°F | 71°F | 61°F | 15.0" |
| November | 36°F | 57°F | 47°F | 4.8" |
| December | 29°F | 44°F | 36°F | 5.2" |
| Index | Clementon | New Jersey | National |
| Air quality index | 51 | 45 | 42 |
| Pollution index | 7,605,180 | 7,246,891 | 2,726,193 |
| Measurement | Total |
| Days measured | 365 |
| Days with good air quality | 180 |
| Days with moderate air quality | 169 |
| Days w/ poor A.Q. for sensitive groups | 16 |
| Days with unhealthy air quality | 0 |
| Pollutant | Total |
| Arsenic | 0.010% |
| Benzene | 0.080% |
| Carbon Tetrachloride | 0.030% |
| Lead | 0.050% |
| Mercury | 0.050% |
| City | Population | Air Quality Index | National Avg. |
| Folsom, NJ | 1,610 | 40 | 20.0% |
| Elmer, NJ | 1,333 | 40 | 20.0% |
| Chesilhurst, NJ | 1,440 | 40 | 20.0% |
| Glassboro, NJ | 20,069 | 40 | 20.0% |
| Richwood, NJ | 3,967 | 40 | 20.0% |
| Clementon, NJ | 4,939 | 51 | 2.0% |
| City | Population | Air Quality Index | National Avg. |
| Bridgeville, PA | 4,939 | 56 | 12.0% |
| Platte City, MO | 4,938 | 47 | 6.0% |
| Lexington, OH | 4,937 | 41 | 18.0% |
| Coal City, IL | 4,941 | 0 | 100.0% |
| Jackson, LA | 4,941 | 45 | 10.0% |
| Clementon, NJ | 4,939 | 51 | 2.0% |
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