| Month | Temp. (min) | Temp. (max) | Temp. (avg) | Precipitation |
| January | 14°F | 29°F | 21°F | 1.2" |
| February | 15°F | 30°F | 22°F | 0.7" |
| March | 25°F | 41°F | 33°F | 1.7" |
| April | 35°F | 52°F | 43°F | 3.6" |
| May | 45°F | 64°F | 54°F | 4.8" |
| June | 55°F | 74°F | 64°F | 6.1" |
| July | 61°F | 79°F | 70°F | 5.2" |
| August | 60°F | 77°F | 68°F | 3.6" |
| September | 52°F | 70°F | 61°F | 2.5" |
| October | 42°F | 58°F | 50°F | 3.9" |
| November | 31°F | 45°F | 38°F | 3.4" |
| December | 20°F | 33°F | 26°F | 1.9" |
| Index | Kewaunee | Wisconsin | National |
| Air quality index | 36 | 69 | 42 |
| Pollution index | 1,179,700 | 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 | 0.003% |
| Benzene | 0.020% |
| Carbon Tetrachloride | 0.001% |
| Lead | 0.001% |
| Mercury | 0.010% |
| City | Population | Air Quality Index | National Avg. |
| Luxemburg, WI | 2,571 | 36 | 28.0% |
| Algoma, WI | 3,044 | 36 | 28.0% |
| Maribel, WI | 362 | 36 | 28.0% |
| Casco, WI | 597 | 36 | 28.0% |
| Dyckesville, WI | 450 | 36 | 28.0% |
| Kewaunee, WI | 2,849 | 36 | 28.0% |
| City | Population | Air Quality Index | National Avg. |
| Woodville, TX | 2,849 | 45 | 10.0% |
| Kechi, KS | 2,848 | 40 | 20.0% |
| Riverview, MO | 2,848 | 54 | 8.0% |
| Goffstown, NH | 2,848 | 37 | 26.0% |
| Salado, TX | 2,848 | 42 | 16.0% |
| Kewaunee, WI | 2,849 | 36 | 28.0% |
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