| Month | Temp. (min) | Temp. (max) | Temp. (avg) | Precipitation |
| January | 18°F | 35°F | 26°F | 2.4" |
| February | 18°F | 36°F | 27°F | 2.3" |
| March | 27°F | 49°F | 37°F | 2.7" |
| April | 38°F | 63°F | 50°F | 3.2" |
| May | 49°F | 74°F | 61°F | 3.8" |
| June | 59°F | 83°F | 71°F | 3.7" |
| July | 63°F | 86°F | 74°F | 4.0" |
| August | 62°F | 84°F | 73°F | 4.5" |
| September | 55°F | 78°F | 65°F | 3.3" |
| October | 44°F | 65°F | 54°F | 2.5" |
| November | 33°F | 52°F | 42°F | 3.0" |
| December | 24°F | 39°F | 31°F | 2.9" |
| Index | Dearborn Heights | Michigan | National |
| Air quality index | 56 | 69 | 42 |
| Pollution index | 180,667 | 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 | 0.000% |
| Benzene | 0.002% |
| Carbon Tetrachloride | 0.001% |
| Lead | 0.000% |
| Mercury | 0.000% |
| City | Population | Air Quality Index | National Avg. |
| Woodhaven, MI | 12,963 | 1 | 98.0% |
| Northville, MI | 6,168 | 40 | 20.0% |
| Novi, MI | 62,295 | 40 | 20.0% |
| Plymouth, MI | 9,363 | 40 | 20.0% |
| Wixom, MI | 14,439 | 40 | 20.0% |
| Dearborn Heights, MI | 57,763 | 56 | 12.0% |
| City | Population | Air Quality Index | National Avg. |
| Tinley Park, IL | 57,746 | 55 | 10.0% |
| Tamiami, FL | 57,787 | 41 | 18.0% |
| Pocatello, ID | 57,833 | 27 | 46.0% |
| Valdosta, GA | 57,835 | 35 | 30.0% |
| Lake Havasu City, AZ | 57,669 | 13 | 74.0% |
| Dearborn Heights, MI | 57,763 | 56 | 12.0% |