Weather in Waukesha in December
How warm is it in Waukesha in December?
In December the typical daytime high in Waukesha is 0.8 °C on average, from 3.4 °C at the start to -1.1 °C at the end of the month.
That is 6.9 °C cooler than in November and 2.7 °C warmer than in January.
The last 10 years were 2.2 °C warmer than more than 40 years ago.
Click a day for more: afternoon and night, the usual range, records and how fast it is warming.
The average of the weather stations Green Bay (166 km), Rock Is L&D (254 km) and Cedar Rapids (295 km); nearer ones count more.