| Month | Temp. (min) | Temp. (max) | Temp. (avg) | Precipitation |
| January | 12°F | 27°F | 20°F | 1.4" |
| February | 10°F | 27°F | 19°F | 1.0" |
| March | 19°F | 40°F | 29°F | 1.5" |
| April | 31°F | 53°F | 41°F | 3.1" |
| May | 43°F | 68°F | 55°F | 3.1" |
| June | 52°F | 75°F | 63°F | 3.8" |
| July | 56°F | 80°F | 68°F | 2.2" |
| August | 55°F | 77°F | 66°F | 3.4" |
| September | 48°F | 70°F | 59°F | 4.2" |
| October | 38°F | 57°F | 47°F | 3.8" |
| November | 28°F | 43°F | 35°F | 2.5" |
| December | 18°F | 31°F | 25°F | 1.6" |
| Index | Mancelona | Michigan | National |
| Air quality index | 36 | 69 | 42 |
| Pollution index | 1,397,210 | 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 | 0.003% |
| Lead | 0.000% |
| Mercury | 0.000% |
| City | Population | Air Quality Index | National Avg. |
| Eastport, MI | 243 | 36 | 28.0% |
| Kalkaska, MI | 2,230 | 36 | 28.0% |
| Alba, MI | 455 | 36 | 28.0% |
| Alden, MI | 121 | 36 | 28.0% |
| Manistee Lake, MI | 527 | 36 | 28.0% |
| Mancelona, MI | 1,708 | 36 | 28.0% |
| City | Population | Air Quality Index | National Avg. |
| Delavan, IL | 1,708 | 41 | 18.0% |
| Rawls Springs, MS | 1,708 | 35 | 30.0% |
| Garrison, ND | 1,708 | 36 | 28.0% |
| Santa Clara, NM | 1,708 | 37 | 26.0% |
| Langham, SK | 1,708 | n/a | |
| Mancelona, MI | 1,708 | 36 | 28.0% |
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