| Month | Temp. (min) | Temp. (max) | Temp. (avg) | Precipitation |
| January | 11°F | 27°F | 19°F | 1.5" |
| February | 10°F | 28°F | 19°F | 0.8" |
| March | 20°F | 38°F | 29°F | 1.5" |
| April | 31°F | 50°F | 40°F | 2.0" |
| May | 41°F | 62°F | 51°F | 3.4" |
| June | 51°F | 71°F | 61°F | 6.5" |
| July | 56°F | 78°F | 67°F | 3.8" |
| August | 56°F | 76°F | 66°F | 5.0" |
| September | 48°F | 69°F | 58°F | 5.5" |
| October | 39°F | 56°F | 47°F | 4.0" |
| November | 29°F | 44°F | 36°F | 2.5" |
| December | 17°F | 31°F | 24°F | 2.9" |
| Index | Gladstone | Michigan | National |
| Air quality index | 36 | 69 | 42 |
| Pollution index | 1,210,180 | 4,161,606 | 2,726,193 |
| Measurement | Total |
| Days measured | 247 |
| Days with good air quality | 232 |
| Days with moderate air quality | 15 |
| Days w/ poor A.Q. for sensitive groups | 0 |
| Days with unhealthy air quality | 0 |
| Pollutant | Total |
| Arsenic | 0.001% |
| Benzene | 0.010% |
| Carbon Tetrachloride | 0.002% |
| Lead | 0.010% |
| Mercury | 0.004% |
| City | Population | Air Quality Index | National Avg. |
| Escanaba, MI | 12,180 | 36 | 28.0% |
| Gladstone, MI | 4,708 | 36 | 28.0% |
| City | Population | Air Quality Index | National Avg. |
| Lake Montezuma, AZ | 4,707 | 43 | 14.0% |
| Waterloo, NY | 4,707 | 34 | 32.0% |
| New Lexington, OH | 4,707 | 25 | 50.0% |
| Dorneyville, PA | 4,707 | 42 | 16.0% |
| Saint-Jean-de-Matha, QC | 4,707 | n/a | |
| Gladstone, MI | 4,708 | 36 | 28.0% |
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