| Month | Temp. (min) | Temp. (max) | Temp. (avg) | Precipitation |
| January | 19°F | 33°F | 26°F | 4.3" |
| February | 16°F | 30°F | 23°F | 3.4" |
| March | 26°F | 43°F | 34°F | 4.2" |
| April | 37°F | 58°F | 47°F | 4.3" |
| May | 47°F | 68°F | 57°F | 5.6" |
| June | 60°F | 82°F | 71°F | 4.6" |
| July | 63°F | 83°F | 73°F | 4.5" |
| August | 64°F | 82°F | 73°F | 8.0" |
| September | 56°F | 77°F | 66°F | 5.0" |
| October | 47°F | 65°F | 55°F | 3.0" |
| November | 33°F | 49°F | 41°F | 4.4" |
| December | 23°F | 32°F | 28°F | 4.3" |
| Index | Mount Clemens | Michigan | National |
| Air quality index | 56 | 69 | 42 |
| Pollution index | 30,180,300 | 4,161,606 | 2,726,193 |
| Measurement | Total |
| Days measured | 365 |
| Days with good air quality | 135 |
| Days with moderate air quality | 217 |
| Days w/ poor A.Q. for sensitive groups | 13 |
| Days with unhealthy air quality | 0 |
| Pollutant | Total |
| Arsenic | 0.030% |
| Benzene | 0.390% |
| Carbon Tetrachloride | 0.080% |
| Lead | 0.130% |
| Mercury | 0.010% |
| City | Population | Air Quality Index | National Avg. |
| Grosse Pointe Woods, MI | 15,731 | 56 | 12.0% |
| Village of Grosse Pointe Shores, MI | 2,877 | 56 | 12.0% |
| Hazel Park, MI | 16,845 | 56 | 12.0% |
| Roseville, MI | 48,471 | 56 | 12.0% |
| Clawson, MI | 12,368 | 56 | 12.0% |
| Mount Clemens, MI | 16,642 | 56 | 12.0% |
| City | Population | Air Quality Index | National Avg. |
| Aurora, OH | 16,638 | 43 | 14.0% |
| Red Hill, SC | 16,638 | 14 | 72.0% |
| Boulder City, NV | 16,634 | 54 | 8.0% |
| Westchester, IL | 16,632 | 55 | 10.0% |
| Live Oak, TX | 16,631 | 49 | 2.0% |
| Mount Clemens, MI | 16,642 | 56 | 12.0% |