| 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 | Marlton | 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. |
| Richwood, NJ | 3,967 | 40 | 20.0% |
| Chesilhurst, NJ | 1,440 | 40 | 20.0% |
| Glassboro, NJ | 20,069 | 40 | 20.0% |
| Pemberton Heights, NJ | 2,640 | 41 | 18.0% |
| Roebling, NJ | 4,120 | 41 | 18.0% |
| Marlton, NJ | 10,171 | 51 | 2.0% |
| City | Population | Air Quality Index | National Avg. |
| Ramara, ON | 10,171 | n/a | |
| Waverly, IA | 10,172 | 39 | 22.0% |
| Great Neck, NY | 10,172 | 51 | 2.0% |
| Warr Acres, OK | 10,169 | 48 | 4.0% |
| Saks, AL | 10,175 | 43 | 14.0% |
| Marlton, NJ | 10,171 | 51 | 2.0% |
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