| Month | Temp. (min) | Temp. (max) | Temp. (avg) | Precipitation |
| January | 13°F | 27°F | 20°F | 2.0" |
| February | 14°F | 29°F | 21°F | 2.4" |
| March | 27°F | 44°F | 34°F | 4.7" |
| April | 37°F | 57°F | 46°F | 6.9" |
| May | 48°F | 69°F | 57°F | 5.9" |
| June | 57°F | 78°F | 67°F | 8.3" |
| July | 61°F | 81°F | 70°F | 6.6" |
| August | 60°F | 79°F | 69°F | 4.8" |
| September | 52°F | 73°F | 62°F | 7.0" |
| October | 41°F | 60°F | 50°F | 5.5" |
| November | 30°F | 46°F | 37°F | 4.1" |
| December | 18°F | 32°F | 25°F | 2.6" |
| Index | Columbus | Wisconsin | National |
| Air quality index | 40 | 69 | 42 |
| Pollution index | 1,701,810 | 2,842,418 | 2,726,193 |
| Measurement | Total |
| Days measured | 365 |
| Days with good air quality | 297 |
| Days with moderate air quality | 67 |
| Days w/ poor A.Q. for sensitive groups | 1 |
| Days with unhealthy air quality | 0 |
| Pollutant | Total |
| Arsenic | 0.001% |
| Benzene | 0.030% |
| Carbon Tetrachloride | 0.001% |
| Lead | 0.000% |
| Mercury | 0.001% |
| City | Population | Air Quality Index | National Avg. |
| Pardeeville, WI | 2,046 | 35 | 30.0% |
| Wyocena, WI | 732 | 35 | 30.0% |
| Waterloo, WI | 3,334 | 37 | 26.0% |
| Marshall, WI | 3,975 | 37 | 26.0% |
| Reeseville, WI | 719 | 37 | 26.0% |
| Columbus, WI | 5,076 | 40 | 20.0% |
| City | Population | Air Quality Index | National Avg. |
| Timber Pines, FL | 5,076 | 30 | 40.0% |
| North Fond du Lac, WI | 5,076 | 36 | 28.0% |
| Vinton, IA | 5,075 | 39 | 22.0% |
| Hidden Valley, IN | 5,075 | 54 | 8.0% |
| Paxtonia, PA | 5,075 | 44 | 12.0% |
| Columbus, WI | 5,076 | 40 | 20.0% |
Here are the best places to live in Wisconsin
Most Dangerous Cities In The US
See the best places to live in Columbus
These are the 10 cheapest cities in Wisconsin