| 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 | Berlin | 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. |
| Chesilhurst, NJ | 1,440 | 40 | 20.0% |
| Glassboro, NJ | 20,069 | 40 | 20.0% |
| Richwood, NJ | 3,967 | 40 | 20.0% |
| Clayton, NJ | 8,688 | 40 | 20.0% |
| Hammonton, NJ | 14,046 | 40 | 20.0% |
| Berlin, NJ | 7,543 | 51 | 2.0% |
| City | Population | Air Quality Index | National Avg. |
| Palmyra, PA | 7,541 | 42 | 16.0% |
| Delafield, WI | 7,541 | 37 | 26.0% |
| Brook Highland, AL | 7,545 | 53 | 6.0% |
| Hughson, CA | 7,545 | 49 | 2.0% |
| North Star, DE | 7,546 | 45 | 10.0% |
| Berlin, NJ | 7,543 | 51 | 2.0% |
Here are the best places to live in New Jersey
These are the 10 most affordable cities in New Jersey
10 Best cities in New Jersey for employment
See the best places to live in & around Berlin