| Month | Temp. (min) | Temp. (max) | Temp. (avg) | Precipitation |
| January | 20°F | 36°F | 28°F | 1.9" |
| February | 20°F | 37°F | 28°F | 1.7" |
| March | 29°F | 49°F | 39°F | 2.6" |
| April | 40°F | 64°F | 51°F | 2.6" |
| May | 50°F | 73°F | 61°F | 3.5" |
| June | 59°F | 81°F | 70°F | 4.7" |
| July | 63°F | 85°F | 74°F | 3.5" |
| August | 62°F | 83°F | 72°F | 3.3" |
| September | 55°F | 77°F | 65°F | 3.1" |
| October | 44°F | 64°F | 54°F | 3.2" |
| November | 34°F | 53°F | 43°F | 2.3" |
| December | 26°F | 41°F | 33°F | 2.6" |
| Index | Tallmadge | Ohio | National |
| Air quality index | 43 | 40 | 42 |
| Pollution index | 11,945,900 | 4,472,386 | 2,726,193 |
| Measurement | Total |
| Days measured | 365 |
| Days with good air quality | 278 |
| Days with moderate air quality | 84 |
| Days w/ poor A.Q. for sensitive groups | 3 |
| Days with unhealthy air quality | 0 |
| Pollutant | Total |
| Arsenic | 0.270% |
| Benzene | 0.120% |
| Carbon Tetrachloride | 0.050% |
| Lead | 0.120% |
| Mercury | 0.030% |
| City | Population | Air Quality Index | National Avg. |
| Norton, OH | 11,984 | 43 | 14.0% |
| Barberton, OH | 26,030 | 43 | 14.0% |
| Streetsboro, OH | 16,444 | 43 | 14.0% |
| Kent, OH | 29,698 | 43 | 14.0% |
| Brady Lake, OH | 933 | 43 | 14.0% |
| Tallmadge, OH | 17,681 | 43 | 14.0% |
| City | Population | Air Quality Index | National Avg. |
| Maryland City, MD | 17,681 | 46 | 8.0% |
| Knik-Fairview, AK | 17,682 | 31 | 38.0% |
| Spanish Lake, MO | 17,682 | 54 | 8.0% |
| Alton, TX | 17,683 | 42 | 16.0% |
| Laurel, VA | 17,678 | 44 | 12.0% |
| Tallmadge, OH | 17,681 | 43 | 14.0% |
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