| Month | Temp. (min) | Temp. (max) | Temp. (avg) | Precipitation |
| January | 11°F | 30°F | 20°F | 1.0" |
| February | 12°F | 33°F | 22°F | 1.0" |
| March | 26°F | 49°F | 37°F | 2.0" |
| April | 37°F | 63°F | 49°F | 4.5" |
| May | 48°F | 74°F | 60°F | 3.5" |
| June | 58°F | 83°F | 70°F | 6.0" |
| July | 62°F | 86°F | 73°F | 4.7" |
| August | 60°F | 84°F | 71°F | 5.1" |
| September | 52°F | 77°F | 63°F | 2.6" |
| October | 40°F | 64°F | 51°F | 3.1" |
| November | 29°F | 50°F | 39°F | 1.6" |
| December | 17°F | 34°F | 25°F | 2.0" |
| Index | Muscoda | Wisconsin | National |
| Air quality index | 29 | 69 | 42 |
| Pollution index | 966,594 | 2,842,418 | 2,726,193 |
| Measurement | Total |
| Days measured | 365 |
| Days with good air quality | 304 |
| Days with moderate air quality | 60 |
| Days w/ poor A.Q. for sensitive groups | 1 |
| 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. |
| Avoca, WI | 582 | 29 | 42.0% |
| Montfort, WI | 688 | 29 | 42.0% |
| Highland, WI | 962 | 29 | 42.0% |
| Fennimore, WI | 2,495 | 29 | 42.0% |
| Blue River, WI | 511 | 29 | 42.0% |
| Muscoda, WI | 1,226 | 29 | 42.0% |
| City | Population | Air Quality Index | National Avg. |
| Pasatiempo, CA | 1,226 | 35 | 30.0% |
| Elwood, NJ | 1,226 | 40 | 20.0% |
| Somerville, TX | 1,226 | 44 | 12.0% |
| Wyanet, IL | 1,227 | 0 | 100.0% |
| Geneva, IN | 1,227 | 31 | 38.0% |
| Muscoda, WI | 1,226 | 29 | 42.0% |
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