| Month | Temp. (min) | Temp. (max) | Temp. (avg) | Precipitation |
| January | 14°F | 27°F | 20°F | 1.5" |
| February | 14°F | 28°F | 21°F | 0.6" |
| March | 24°F | 39°F | 31°F | 1.2" |
| April | 35°F | 51°F | 42°F | 3.1" |
| May | 45°F | 64°F | 53°F | 3.2" |
| June | 55°F | 73°F | 63°F | 5.3" |
| July | 61°F | 79°F | 69°F | 5.9" |
| August | 60°F | 76°F | 68°F | 3.2" |
| September | 54°F | 69°F | 61°F | 3.0" |
| October | 44°F | 57°F | 50°F | 4.2" |
| November | 32°F | 44°F | 38°F | 2.8" |
| December | 20°F | 31°F | 26°F | 1.3" |
| Index | Forestville | Wisconsin | National |
| Air quality index | 36 | 69 | 42 |
| Pollution index | 1,046,860 | 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 | 0.001% |
| Benzene | 0.010% |
| Carbon Tetrachloride | 0.001% |
| Lead | 0.000% |
| Mercury | 0.001% |
| City | Population | Air Quality Index | National Avg. |
| Sturgeon Bay, WI | 8,927 | 36 | 28.0% |
| Algoma, WI | 3,044 | 36 | 28.0% |
| Dyckesville, WI | 450 | 36 | 28.0% |
| Casco, WI | 597 | 36 | 28.0% |
| Luxemburg, WI | 2,571 | 36 | 28.0% |
| Forestville, WI | 475 | 36 | 28.0% |
| City | Population | Air Quality Index | National Avg. |
| Ualapue, HI | 475 | 15 | 70.0% |
| Diagonal, IA | 475 | 39 | 22.0% |
| Garden Valley, ID | 475 | 36 | 28.0% |
| Dayton, IL | 475 | 0 | 100.0% |
| Grantfork, IL | 475 | 54 | 8.0% |
| Forestville, WI | 475 | 36 | 28.0% |
Here are the best places to live in Wisconsin
Check out the 10 most dangerous cities in Wisconsin
Most Dangerous Cities In The US
Check out the 10 safest cities in Wisconsin