Rainy days · Wisconsin
How often does it rain in Madison?
Madison’s rain is thoughtful, damp and mildly overeducated.
Madison gets measurable rain or snow on about 126 days a year, adding up to about 37 inches.
November usually brings Madison about 10 wet days and 2.2 inches. The wettest month is usually May, with about 13 wet days, and the driest is September, with about 9 wet days. That makes Madison number 42 of the 129 US cities we track, rainiest first.
Last updated
No rain in the forecast for the next 48 hours.
Live 48-hour check from OpenWeatherMap, refreshed about every half hour. Alerts from the National Weather Service.
Rainy days, month by month
| Month | Wet days | Inches |
|---|---|---|
| January | 11 | 1.5 |
| February | 10 | 1.5 |
| March | 11 | 2.3 |
| April | 13 | 3.8 |
| May | 13 | 4.1 |
| June | 12 | 5.3 |
| July | 10 | 4.5 |
| August | 9 | 4.2 |
| September | 9 | 3.4 |
| October | 10 | 2.8 |
| November | 10 | 2.2 |
| December | 10 | 1.6 |
Cities with about as many rainy days
- Green Bay, Wisconsin: about 126 wet days a year
- Harrisburg, Pennsylvania: about 126 wet days a year
- Chicago, Illinois: about 126 wet days a year
Source: NOAA daily precipitation records for the Madison area, 1991 to 2020 (at least 30 complete years behind every month), via the Applied Climate Information System. A wet day here means at least a hundredth of an inch of rain or melted snow.