| Month | Temp. (min) | Temp. (max) | Temp. (avg) | Precipitation |
| January | 27°F | 43°F | 34°F | 5.5" |
| February | 24°F | 39°F | 31°F | 3.2" |
| March | 31°F | 51°F | 40°F | 6.6" |
| April | 42°F | 62°F | 51°F | 10.1" |
| May | 50°F | 72°F | 60°F | 3.5" |
| June | 63°F | 82°F | 71°F | 10.0" |
| July | 67°F | 86°F | 75°F | 7.7" |
| August | 67°F | 86°F | 75°F | 7.3" |
| September | 59°F | 81°F | 69°F | 4.3" |
| October | 52°F | 69°F | 60°F | 14.4" |
| November | 38°F | 57°F | 46°F | 7.3" |
| December | 28°F | 43°F | 35°F | 5.6" |
| Index | Country Lake Estates | New Jersey | National |
| Air quality index | 41 | 45 | 42 |
| Pollution index | 10,942,500 | 7,246,891 | 2,726,193 |
| Measurement | Total |
| Days measured | 365 |
| Days with good air quality | 280 |
| Days with moderate air quality | 83 |
| Days w/ poor A.Q. for sensitive groups | 2 |
| Days with unhealthy air quality | 0 |
| Pollutant | Total |
| Arsenic | 0.010% |
| Benzene | 0.110% |
| Carbon Tetrachloride | 0.040% |
| Lead | 0.020% |
| Mercury | 0.005% |
| City | Population | Air Quality Index | National Avg. |
| Ocean Acres, NJ | 17,325 | 37 | 26.0% |
| Juliustown, NJ | 275 | 41 | 18.0% |
| Pemberton Heights, NJ | 2,640 | 41 | 18.0% |
| McGuire AFB, NJ | 5,026 | 41 | 18.0% |
| Tullytown, PA | 2,215 | 41 | 18.0% |
| Country Lake Estates, NJ | 4,257 | 41 | 18.0% |
| City | Population | Air Quality Index | National Avg. |
| High Ridge, MO | 4,257 | 54 | 8.0% |
| Highland CDP, IN | 4,256 | 55 | 10.0% |
| Helena Valley Northwest, MT | 4,256 | 40 | 20.0% |
| North Richmond, CA | 4,258 | 40 | 20.0% |
| North Plymouth, MA | 4,258 | 36 | 28.0% |
| Country Lake Estates, NJ | 4,257 | 41 | 18.0% |
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