Climate in Madison: average temperature by month
In Madison the warmest month is July, with 28.9 °C on average in the afternoon; the coolest is January, with -1.5 °C.
The average of the weather stations Green Bay (189 km), Rock Is L&D (198 km) and Cedar Rapids (212 km); nearer ones count more.
| Month | Average high | Coolest to warmest day |
|---|---|---|
| January | -1.5 °C | -2.1 °C – -0.6 °C |
| February | 0.9 °C | -0.9 °C – 3.6 °C |
| March | 7.8 °C | 4.1 °C – 11.1 °C |
| April | 15.0 °C | 11.4 °C – 18.2 °C |
| May | 21.8 °C | 18.4 °C – 25.1 °C |
| June | 27.1 °C | 25.2 °C – 28.6 °C |
| July | 28.9 °C | 28.6 °C – 29.1 °C |
| August | 27.8 °C | 26.9 °C – 28.6 °C |
| September | 24.4 °C | 21.4 °C – 26.7 °C |
| October | 17.0 °C | 12.7 °C – 21.3 °C |
| November | 8.2 °C | 4.2 °C – 12.4 °C |
| December | 1.3 °C | -0.6 °C – 3.8 °C |