| Month | Temp. (min) | Temp. (max) | Temp. (avg) | Precipitation |
| January | 16°F | 30°F | 22°F | 2.0" |
| February | 15°F | 29°F | 21°F | 1.5" |
| March | 25°F | 42°F | 32°F | 4.2" |
| April | 36°F | 55°F | 44°F | 2.5" |
| May | 46°F | 64°F | 54°F | 5.1" |
| June | 57°F | 77°F | 66°F | 1.9" |
| July | 61°F | 80°F | 70°F | 6.2" |
| August | 62°F | 79°F | 69°F | 5.1" |
| September | 55°F | 74°F | 63°F | 2.9" |
| October | 46°F | 61°F | 52°F | 4.4" |
| November | 31°F | 46°F | 37°F | 3.9" |
| December | 17°F | 29°F | 23°F | 26.5" |
| Index | Denmark | Wisconsin | National |
| Air quality index | 36 | 69 | 42 |
| Pollution index | 8,886,670 | 2,842,418 | 2,726,193 |
| Measurement | Total |
| Days measured | 365 |
| Days with good air quality | 311 |
| Days with moderate air quality | 54 |
| Days w/ poor A.Q. for sensitive groups | 0 |
| Days with unhealthy air quality | 0 |
| Pollutant | Total |
| Arsenic | 0.050% |
| Benzene | 0.090% |
| Carbon Tetrachloride | 0.020% |
| Lead | 0.060% |
| Mercury | 0.080% |
| City | Population | Air Quality Index | National Avg. |
| Two Rivers, WI | 11,079 | 36 | 28.0% |
| Maribel, WI | 362 | 36 | 28.0% |
| Green Bay, WI | 104,508 | 36 | 28.0% |
| Ashwaubenon, WI | 17,130 | 36 | 28.0% |
| Francis Creek, WI | 606 | 36 | 28.0% |
| Denmark, WI | 2,346 | 36 | 28.0% |
| City | Population | Air Quality Index | National Avg. |
| Helper, UT | 2,346 | 46 | 8.0% |
| Fremont, IN | 2,345 | 45 | 10.0% |
| Curwensville, PA | 2,345 | 33 | 34.0% |
| Walkerton, IN | 2,344 | 42 | 16.0% |
| Salmon Brook, CT | 2,348 | 41 | 18.0% |
| Denmark, WI | 2,346 | 36 | 28.0% |
Here are the best places to live in Wisconsin
Check out the 10 safest cities in Wisconsin
Most Dangerous States In The US
See the best places to live in Denmark