| Month | Temp. (min) | Temp. (max) | Temp. (avg) | Precipitation |
| January | 11°F | 25°F | 17°F | 1.3" |
| February | 11°F | 26°F | 18°F | 0.6" |
| March | 22°F | 41°F | 31°F | 1.4" |
| April | 35°F | 58°F | 46°F | 3.7" |
| May | 46°F | 68°F | 56°F | 5.4" |
| June | 57°F | 80°F | 68°F | 5.1" |
| July | 59°F | 82°F | 70°F | 4.8" |
| August | 59°F | 78°F | 68°F | 9.5" |
| September | 53°F | 74°F | 62°F | 6.6" |
| October | 42°F | 61°F | 51°F | 4.4" |
| November | 26°F | 41°F | 33°F | 2.0" |
| December | 11°F | 25°F | 18°F | 0.8" |
| Index | Granton | Wisconsin | National |
| Air quality index | 34 | 69 | 42 |
| Pollution index | 4,420,090 | 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 | 0.004% |
| Benzene | 0.070% |
| Carbon Tetrachloride | 0.010% |
| Lead | 0.020% |
| Mercury | 0.010% |
| City | Population | Air Quality Index | National Avg. |
| Neillsville, WI | 2,285 | 34 | 32.0% |
| Marshfield, WI | 18,214 | 34 | 32.0% |
| Chili, WI | 279 | 34 | 32.0% |
| Greenwood, WI | 955 | 34 | 32.0% |
| Loyal, WI | 1,250 | 34 | 32.0% |
| Granton, WI | 351 | 34 | 32.0% |
| City | Population | Air Quality Index | National Avg. |
| Vinegar Bend, AL | 351 | 42 | 16.0% |
| Perry, AR | 351 | 45 | 10.0% |
| Sacate Village, AZ | 351 | 74 | 48.0% |
| Lockwood, CA | 351 | 46 | 8.0% |
| Grand View, ID | 351 | 36 | 28.0% |
| Granton, WI | 351 | 34 | 32.0% |
Here are the best places to live in Wisconsin
See the best places to live in Granton
These are the 10 cheapest cities in Wisconsin
These are the largest cities in Wisconsin