| Month | Temp. (min) | Temp. (max) | Temp. (avg) | Precipitation |
| January | 20°F | 32°F | 26°F | 2.0" |
| February | 17°F | 31°F | 24°F | 2.0" |
| March | 26°F | 41°F | 33°F | 1.8" |
| April | 36°F | 52°F | 43°F | 3.7" |
| May | 46°F | 64°F | 54°F | 3.0" |
| June | 56°F | 73°F | 63°F | 3.8" |
| July | 62°F | 79°F | 70°F | 3.2" |
| August | 62°F | 77°F | 69°F | 2.9" |
| September | 56°F | 72°F | 63°F | 3.3" |
| October | 46°F | 61°F | 53°F | 3.9" |
| November | 34°F | 48°F | 41°F | 2.2" |
| December | 25°F | 36°F | 30°F | 2.3" |
| Index | Gagetown | Michigan | National |
| Air quality index | 26 | 69 | 42 |
| Pollution index | 449,908 | 4,161,606 | 2,726,193 |
| Measurement | Total |
| Days measured | 316 |
| Days with good air quality | 288 |
| Days with moderate air quality | 28 |
| Days w/ poor A.Q. for sensitive groups | 0 |
| Days with unhealthy air quality | 0 |
| Pollutant | Total |
| Arsenic | 0.000% |
| Benzene | 0.010% |
| Carbon Tetrachloride | 0.001% |
| Lead | 0.010% |
| Mercury | 0.000% |
| City | Population | Air Quality Index | National Avg. |
| Unionville, MI | 654 | 26 | 48.0% |
| Cass City, MI | 2,288 | 26 | 48.0% |
| Caro, MI | 4,024 | 26 | 48.0% |
| Akron, MI | 378 | 26 | 48.0% |
| Elkton, MI | 768 | 26 | 48.0% |
| Gagetown, MI | 272 | 26 | 48.0% |
| City | Population | Air Quality Index | National Avg. |
| Merino, CO | 272 | 45 | 10.0% |
| Panama, IA | 272 | 40 | 20.0% |
| Donovan, IL | 272 | 42 | 16.0% |
| Finesville, NJ | 272 | 42 | 16.0% |
| La Jara, NM | 272 | 8 | 84.0% |
| Gagetown, MI | 272 | 26 | 48.0% |
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