Climate almanac
Morton
Illinois, United States · 40.61°, -89.46°
What is the weather like in Morton in December?
In December, Morton is typically 42°F (5°C) during the day and 27°F (-3°C) at night. The month brings about 2.3 in (59 mm) of precipitation in total. Snowfall averages about 2.4 in (60 mm) over the month.
- Average high42°F (5°C)
- Average low27°F (-3°C)
- Precipitation2.3 in (59 mm)
- Clear or mostly clear days7
- Snowfall2.4 in (60 mm)
- Based on2016-2025 daily ERA5 reanalysis data (10-year normals)