Climate almanac
Waukegan
Illinois, United States · 42.36°, -87.84°
What is the weather like in Waukegan in December?
In December, Waukegan is typically 38°F (3°C) during the day and 30°F (-1°C) at night. The month brings about 3.2 in (80 mm) of precipitation in total. Snowfall averages about 4.6 in (117 mm) over the month.
- Average high38°F (3°C)
- Average low30°F (-1°C)
- Precipitation3.2 in (80 mm)
- Clear or mostly clear days4
- Snowfall4.6 in (117 mm)
- Based on2016-2025 daily ERA5 reanalysis data (10-year normals)