| Month | Temp. (min) | Temp. (max) | Temp. (avg) | Precipitation |
| January | 7°F | 23°F | 15°F | 0.5" |
| February | 8°F | 26°F | 17°F | 0.5" |
| March | 22°F | 40°F | 30°F | 1.2" |
| April | 34°F | 54°F | 43°F | 2.4" |
| May | 45°F | 67°F | 55°F | 3.8" |
| June | 54°F | 75°F | 64°F | 4.8" |
| July | 58°F | 80°F | 69°F | 3.4" |
| August | 56°F | 77°F | 66°F | 4.6" |
| September | 48°F | 70°F | 58°F | 3.3" |
| October | 38°F | 56°F | 46°F | 3.2" |
| November | 27°F | 41°F | 33°F | 1.4" |
| December | 13°F | 26°F | 19°F | 1.6" |
| Index | Medford | Wisconsin | National |
| Air quality index | 34 | 69 | 42 |
| Pollution index | 1,351,330 | 2,842,418 | 2,726,193 |
| Measurement | Total |
| Days measured | 205 |
| Days with good air quality | 196 |
| Days with moderate air quality | 9 |
| Days w/ poor A.Q. for sensitive groups | 0 |
| Days with unhealthy air quality | 0 |
| Pollutant | Total |
| Arsenic | 0.002% |
| Benzene | 0.030% |
| Carbon Tetrachloride | 0.001% |
| Lead | 0.000% |
| Mercury | 0.002% |
| City | Population | Air Quality Index | National Avg. |
| Whittlesey, WI | 122 | 34 | 32.0% |
| Withee, WI | 451 | 34 | 32.0% |
| Dorchester, WI | 904 | 34 | 32.0% |
| Athens, WI | 952 | 34 | 32.0% |
| Abbotsford, WI | 1,940 | 34 | 32.0% |
| Medford, WI | 4,285 | 34 | 32.0% |
| City | Population | Air Quality Index | National Avg. |
| Lamar, MO | 4,284 | 37 | 26.0% |
| Summerville, GA | 4,283 | 40 | 20.0% |
| Alvarado, TX | 4,282 | 33 | 34.0% |
| Plymouth, NH | 4,281 | 31 | 38.0% |
| Ashville, OH | 4,281 | 46 | 8.0% |
| Medford, WI | 4,285 | 34 | 32.0% |
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