Weather history and climate summary information is available for the following locations:
- LaCrosse
- Madison
- Milwaukee
Warmest March Days
The warmest March days in Wisconsin are:
| Milwaukee, Wisconsin | 2012 | 84°F |
| LaCrosse, Wisconsin | 1986 | 84°F |
| LaCrosse, Wisconsin | 2007 | 82.9°F |
| Madison, Wisconsin | 2012 | 82.9°F |
| LaCrosse, Wisconsin | 2012 | 82.9°F |
Coldest March Days
The coldest March days in Wisconsin were:
| LaCrosse, Wisconsin | 1962 | -27.6°F |
| Madison, Wisconsin | 1962 | -27°F |
| LaCrosse, Wisconsin | 1950 | -17.7°F |
| LaCrosse, Wisconsin | 1948 | -16.6°F |
| Madison, Wisconsin | 1960 | -14.1°F |
Wettest March Days
The wettest single days in March occurred:
| Madison, Wisconsin | 1998 | 3 inches |
| Madison, Wisconsin | 1973 | 2.4 inches |
| Milwaukee, Wisconsin | 1976 | 2.3 inches |
| LaCrosse, Wisconsin | 1973 | 2 inches |
| Madison, Wisconsin | 2009 | 1.9 inches |