| Month | Temp. (min) | Temp. (max) | Temp. (avg) | Precipitation |
| January | 22°F | 40°F | 30°F | 3.2" |
| February | 22°F | 41°F | 31°F | 2.6" |
| March | 32°F | 54°F | 42°F | 4.4" |
| April | 42°F | 68°F | 55°F | 3.8" |
| May | 52°F | 76°F | 64°F | 3.6" |
| June | 61°F | 85°F | 73°F | 4.8" |
| July | 65°F | 87°F | 76°F | 4.8" |
| August | 64°F | 86°F | 75°F | 3.7" |
| September | 57°F | 80°F | 68°F | 3.6" |
| October | 45°F | 68°F | 56°F | 3.9" |
| November | 34°F | 56°F | 44°F | 2.7" |
| December | 27°F | 44°F | 35°F | 3.9" |
| Index | Obetz | Ohio | National |
| Air quality index | 46 | 40 | 42 |
| Pollution index | 21,574,800 | 4,472,386 | 2,726,193 |
| Measurement | Total |
| Days measured | 365 |
| Days with good air quality | 237 |
| Days with moderate air quality | 127 |
| Days w/ poor A.Q. for sensitive groups | 1 |
| Days with unhealthy air quality | 0 |
| Pollutant | Total |
| Arsenic | 0.030% |
| Benzene | 0.230% |
| Carbon Tetrachloride | 0.100% |
| Lead | 0.190% |
| Mercury | 0.010% |
| City | Population | Air Quality Index | National Avg. |
| Darbyville, OH | 206 | 38 | 24.0% |
| Minerva Park, OH | 1,372 | 46 | 8.0% |
| Whitehall, OH | 18,944 | 46 | 8.0% |
| Etna, OH | 679 | 46 | 8.0% |
| Valleyview, OH | 676 | 46 | 8.0% |
| Obetz, OH | 5,205 | 46 | 8.0% |
| City | Population | Air Quality Index | National Avg. |
| Palermo, CA | 5,204 | 44 | 12.0% |
| Centre Hastings, ON | 5,204 | n/a | |
| Cumberland, Subd. C, NS | 5,206 | n/a | |
| Yarmouth Port, MA | 5,202 | 36 | 28.0% |
| Sawmills, NC | 5,201 | 43 | 14.0% |
| Obetz, OH | 5,205 | 46 | 8.0% |
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