| Month | Temp. (min) | Temp. (max) | Temp. (avg) | Precipitation |
| January | 8°F | 24°F | 16°F | 1.1" |
| February | 8°F | 26°F | 17°F | 1.6" |
| March | 20°F | 40°F | 30°F | 2.8" |
| April | 32°F | 53°F | 42°F | 3.1" |
| May | 43°F | 67°F | 54°F | 4.9" |
| June | 52°F | 75°F | 63°F | 5.6" |
| July | 57°F | 79°F | 68°F | 5.3" |
| August | 56°F | 77°F | 66°F | 6.1" |
| September | 49°F | 70°F | 58°F | 5.0" |
| October | 38°F | 56°F | 46°F | 4.5" |
| November | 27°F | 41°F | 34°F | 2.5" |
| December | 13°F | 27°F | 20°F | 2.3" |
| Index | Lac du Flambeau | Wisconsin | National |
| Air quality index | 34 | 69 | 42 |
| Pollution index | 3,778,420 | 2,842,418 | 2,726,193 |
| Measurement | Total |
| Days measured | 205 |
| Days with good air quality | 196 |
| Days with moderate air quality | 9 |
| Days w/ poor A.Q. for sensitive groups | 0 |
| Days with unhealthy air quality | 0 |
| Pollutant | Total |
| Arsenic | 0.002% |
| Benzene | 0.040% |
| Carbon Tetrachloride | 0.000% |
| Lead | 0.000% |
| Mercury | 0.001% |
| City | Population | Air Quality Index | National Avg. |
| Woodruff, WI | 716 | 34 | 32.0% |
| Mercer, WI | 526 | 34 | 32.0% |
| Boulder Junction, WI | 160 | 34 | 32.0% |
| Minocqua, WI | 282 | 34 | 32.0% |
| Lac du Flambeau, WI | 1,778 | 34 | 32.0% |
| City | Population | Air Quality Index | National Avg. |
| North Berwick, ME | 1,778 | 40 | 20.0% |
| Waskom, TX | 1,778 | 39 | 22.0% |
| Cumberland, Subd. A, NS | 1,778 | n/a | |
| Lakeland, MN | 1,779 | 46 | 8.0% |
| Merritt Park, NY | 1,777 | 36 | 28.0% |
| Lac du Flambeau, WI | 1,778 | 34 | 32.0% |