| Month | Temp. (min) | Temp. (max) | Temp. (avg) | Precipitation |
| January | 10°F | 28°F | 19°F | 1.7" |
| February | 11°F | 31°F | 21°F | 1.0" |
| March | 22°F | 43°F | 32°F | 1.7" |
| April | 34°F | 58°F | 45°F | 3.2" |
| May | 45°F | 71°F | 57°F | 3.5" |
| June | 55°F | 80°F | 67°F | 4.0" |
| July | 59°F | 84°F | 71°F | 4.2" |
| August | 57°F | 81°F | 69°F | 3.6" |
| September | 49°F | 75°F | 61°F | 3.4" |
| October | 39°F | 61°F | 50°F | 3.1" |
| November | 29°F | 48°F | 38°F | 2.1" |
| December | 16°F | 32°F | 24°F | 2.1" |
| Index | Allouez | 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. |
| Angelica, WI | 93 | 36 | 28.0% |
| Howard, WI | 19,879 | 36 | 28.0% |
| Maribel, WI | 362 | 36 | 28.0% |
| Bellevue, WI | 15,812 | 36 | 28.0% |
| Ashwaubenon, WI | 17,130 | 36 | 28.0% |
| Allouez, WI | 13,853 | 36 | 28.0% |
| City | Population | Air Quality Index | National Avg. |
| Gravenhurst, ON | 13,853 | n/a | |
| Oneonta, NY | 13,855 | 27 | 46.0% |
| Seabrook, TX | 13,849 | 52 | 4.0% |
| Royal Kunia, HI | 13,857 | 30 | 40.0% |
| King City, CA | 13,845 | 37 | 26.0% |
| Allouez, WI | 13,853 | 36 | 28.0% |
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