| Month | Temp. (min) | Temp. (max) | Temp. (avg) | Precipitation |
| January | 12°F | 28°F | 20°F | 1.2" |
| February | 12°F | 31°F | 21°F | 2.9" |
| March | 25°F | 45°F | 34°F | 4.4" |
| April | 36°F | 58°F | 46°F | 4.5" |
| May | 46°F | 72°F | 58°F | 5.1" |
| June | 56°F | 80°F | 67°F | 4.3" |
| July | 59°F | 85°F | 72°F | 5.5" |
| August | 59°F | 82°F | 70°F | 6.7" |
| September | 50°F | 75°F | 61°F | 4.8" |
| October | 40°F | 61°F | 49°F | 4.1" |
| November | 29°F | 47°F | 37°F | 3.2" |
| December | 17°F | 32°F | 24°F | 2.6" |
| Index | Tustin | Wisconsin | National |
| Air quality index | 37 | 69 | 42 |
| Pollution index | 4,238,840 | 2,842,418 | 2,726,193 |
| Measurement | Total |
| Days measured | 365 |
| Days with good air quality | 304 |
| Days with moderate air quality | 59 |
| Days w/ poor A.Q. for sensitive groups | 2 |
| Days with unhealthy air quality | 0 |
| Pollutant | Total |
| Arsenic | 0.000% |
| Benzene | 0.050% |
| Carbon Tetrachloride | 0.002% |
| Lead | 0.010% |
| Mercury | 0.000% |
| City | Population | Air Quality Index | National Avg. |
| Omro, WI | 3,584 | 36 | 28.0% |
| Lohrville, WI | 400 | 36 | 28.0% |
| Eureka, WI | 410 | 36 | 28.0% |
| Berlin, WI | 5,410 | 36 | 28.0% |
| Waukau, WI | 235 | 36 | 28.0% |
| Tustin, WI | 103 | 37 | 26.0% |
| City | Population | Air Quality Index | National Avg. |
| Broomtown, AL | 103 | 39 | 22.0% |
| Fargo, AR | 103 | 45 | 10.0% |
| Sedalia, CO | 103 | 58 | 16.0% |
| Manassas, GA | 103 | 39 | 22.0% |
| Matthews, GA | 103 | 47 | 6.0% |
| Tustin, WI | 103 | 37 | 26.0% |
Here are the best places to live in Wisconsin
See the best places to live in Tustin
Most Dangerous Cities In The US
These are the largest cities in Wisconsin