| 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 | Sterling 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. |
| Lake Orion, MI | 3,143 | 38 | 24.0% |
| Grosse Pointe Park, MI | 11,108 | 56 | 12.0% |
| Highland Park, MI | 10,818 | 56 | 12.0% |
| Franklin, MI | 2,877 | 56 | 12.0% |
| Eastpointe, MI | 32,221 | 56 | 12.0% |
| Sterling Heights, MI | 132,296 | 56 | 12.0% |
| City | Population | Air Quality Index | National Avg. |
| Kingston, ON | 132,155 | n/a | |
| Langley, BC | 132,088 | n/a | |
| Visalia, CA | 133,100 | 66 | 32.0% |
| Cedar Rapids, IA | 133,125 | 39 | 22.0% |
| Coral Springs, FL | 133,370 | 41 | 18.0% |
| Sterling Heights, MI | 132,296 | 56 | 12.0% |
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