Climate in Milwaukee: average temperature by month
In Milwaukee the warmest month is July, with 28.0 °C on average in the afternoon; the coolest is January, with -2.3 °C.
The average of the weather stations Green Bay (163 km) and Rock Is L&D (276 km); nearer ones count more.
| Month | Average high | Coolest to warmest day |
|---|---|---|
| January | -2.3 °C | -2.8 °C – -1.4 °C |
| February | -0.3 °C | -2.0 °C – 2.0 °C |
| March | 5.9 °C | 2.5 °C – 9.1 °C |
| April | 13.2 °C | 9.4 °C – 16.6 °C |
| May | 20.5 °C | 16.8 °C – 23.9 °C |
| June | 26.0 °C | 24.1 °C – 27.6 °C |
| July | 28.0 °C | 27.6 °C – 28.2 °C |
| August | 26.8 °C | 25.7 °C – 27.8 °C |
| September | 23.2 °C | 20.2 °C – 25.5 °C |
| October | 15.8 °C | 11.7 °C – 20.0 °C |
| November | 7.2 °C | 3.3 °C – 11.4 °C |
| December | 0.5 °C | -1.4 °C – 3.0 °C |