| Month | Temp. (min) | Temp. (max) | Temp. (avg) | Precipitation |
| January | 22°F | 37°F | 29°F | 11.1" |
| February | 17°F | 32°F | 25°F | 2.6" |
| March | 31°F | 50°F | 39°F | 6.7" |
| April | 39°F | 62°F | 50°F | 7.1" |
| May | 48°F | 74°F | 61°F | 1.6" |
| June | 61°F | 85°F | 73°F | 5.4" |
| July | 61°F | 84°F | 73°F | 5.5" |
| August | 63°F | 86°F | 74°F | 10.2" |
| September | 56°F | 79°F | 67°F | 5.9" |
| October | 47°F | 67°F | 57°F | 3.2" |
| November | 33°F | 52°F | 43°F | 5.1" |
| December | 22°F | 36°F | 29°F | 3.3" |
| Index | Kenton | Ohio | National |
| Air quality index | 39 | 40 | 42 |
| Pollution index | 750,178 | 4,472,386 | 2,726,193 |
| Measurement | Total |
| Days measured | 364 |
| Days with good air quality | 303 |
| Days with moderate air quality | 61 |
| 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 | 0.002% |
| Mercury | 0.000% |
| City | Population | Air Quality Index | National Avg. |
| Mount Victory, OH | 666 | 39 | 22.0% |
| Alger, OH | 875 | 39 | 22.0% |
| Ada, OH | 5,248 | 39 | 22.0% |
| Kirby, OH | 103 | 39 | 22.0% |
| Belle Center, OH | 862 | 39 | 22.0% |
| Kenton, OH | 8,382 | 39 | 22.0% |
| City | Population | Air Quality Index | National Avg. |
| Calumet Park, IL | 8,383 | 55 | 10.0% |
| Albion, MI | 8,380 | 36 | 28.0% |
| Banff, AB | 8,380 | n/a | |
| Brooksville, FL | 8,384 | 30 | 40.0% |
| Half Moon, NC | 8,384 | 42 | 16.0% |
| Kenton, OH | 8,382 | 39 | 22.0% |
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