| Month | Temp. (min) | Temp. (max) | Temp. (avg) | Precipitation |
| January | 22°F | 34°F | 27°F | 2.4" |
| February | 24°F | 39°F | 31°F | 2.3" |
| March | 32°F | 50°F | 40°F | 3.7" |
| April | 37°F | 58°F | 46°F | 3.8" |
| May | 47°F | 71°F | 58°F | 4.6" |
| June | 55°F | 79°F | 67°F | 8.5" |
| July | 60°F | 84°F | 72°F | 5.6" |
| August | 58°F | 81°F | 69°F | 7.7" |
| September | 51°F | 76°F | 63°F | 3.9" |
| October | 42°F | 62°F | 51°F | 3.6" |
| November | 31°F | 52°F | 41°F | 2.7" |
| December | 26°F | 39°F | 32°F | 1.8" |
| Index | Fostoria | Michigan | National |
| Air quality index | 38 | 69 | 42 |
| Pollution index | 449,908 | 4,161,606 | 2,726,193 |
| Measurement | Total |
| Days measured | 340 |
| Days with good air quality | 282 |
| Days with moderate air quality | 58 |
| 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. |
| Vassar, MI | 2,549 | 26 | 48.0% |
| Barnes Lake-Millers Lake, MI | 879 | 38 | 24.0% |
| Clifford, MI | 305 | 38 | 24.0% |
| North Branch, MI | 974 | 38 | 24.0% |
| Columbiaville, MI | 768 | 38 | 24.0% |
| Fostoria, MI | 752 | 38 | 24.0% |
| City | Population | Air Quality Index | National Avg. |
| Woodhull, IL | 752 | 46 | 8.0% |
| Belfast, NY | 752 | 39 | 22.0% |
| Chippewa Lake, OH | 752 | 43 | 14.0% |
| Rossiter, PA | 752 | 33 | 34.0% |
| Stoneboro, PA | 752 | 31 | 38.0% |
| Fostoria, MI | 752 | 38 | 24.0% |
Here are the best places to live in Michigan
Check out the 10 most dangerous cities in Michigan
See the best places to live in Fostoria
Safest States In The US