| Month | Temp. (min) | Temp. (max) | Temp. (avg) | Precipitation |
| January | 20°F | 34°F | 27°F | 4.5" |
| February | 20°F | 35°F | 27°F | 3.8" |
| March | 30°F | 47°F | 37°F | 5.3" |
| April | 40°F | 60°F | 49°F | 3.0" |
| May | 51°F | 71°F | 61°F | 5.1" |
| June | 60°F | 80°F | 70°F | 5.5" |
| July | 63°F | 84°F | 73°F | 5.5" |
| August | 61°F | 81°F | 71°F | 6.2" |
| September | 55°F | 75°F | 64°F | 5.9" |
| October | 44°F | 64°F | 53°F | 3.6" |
| November | 34°F | 51°F | 42°F | 5.4" |
| December | 26°F | 39°F | 32°F | 2.9" |
| Index | Stony Point | Michigan | National |
| Air quality index | 1 | 69 | 42 |
| Pollution index | 1,741,370 | 4,161,606 | 2,726,193 |
| Measurement | Total |
| Days measured | 359 |
| Days with good air quality | 355 |
| Days with moderate air quality | 4 |
| Days w/ poor A.Q. for sensitive groups | 0 |
| Days with unhealthy air quality | 0 |
| Pollutant | Total |
| Arsenic | 0.001% |
| Benzene | 0.020% |
| Carbon Tetrachloride | 0.002% |
| Lead | 0.010% |
| Mercury | 0.000% |
| City | Population | Air Quality Index | National Avg. |
| Flat Rock, MI | 10,332 | 1 | 98.0% |
| Detroit Beach, MI | 2,211 | 1 | 98.0% |
| South Monroe, MI | 6,359 | 1 | 98.0% |
| Gibraltar, MI | 4,653 | 1 | 98.0% |
| Woodhaven, MI | 12,963 | 1 | 98.0% |
| Stony Point, MI | 1,671 | 1 | 98.0% |
| City | Population | Air Quality Index | National Avg. |
| Stony Prairie, OH | 1,671 | 40 | 20.0% |
| Lakeside, TX | 1,671 | 33 | 34.0% |
| Callender, CA | 1,672 | 46 | 8.0% |
| Rossmoyne, OH | 1,670 | 54 | 8.0% |
| Justice, OK | 1,670 | 45 | 10.0% |
| Stony Point, MI | 1,671 | 1 | 98.0% |