Weather in Waukegan in December
How warm is it in Waukegan in December?
In December the typical daytime high in Waukegan is 1.1 °C on average, from 3.5 °C at the start to -0.7 °C at the end of the month.
That is 6.7 °C cooler than in November and 2.8 °C warmer than in January.
The last 10 years were 2.0 °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 (238 km) and Rock Is L&D (244 km); nearer ones count more.