Climate almanac
Mascoutah
Illinois, United States · 38.49°, -89.79°
What is the weather like in Mascoutah in January?
In January, Mascoutah is typically 41°F (5°C) during the day and 27°F (-3°C) at night. The month brings about 3.4 in (86 mm) of precipitation in total. Snowfall averages about 4.1 in (104 mm) over the month.
- Average high41°F (5°C)
- Average low27°F (-3°C)
- Precipitation3.4 in (86 mm)
- Clear or mostly clear days8
- Snowfall4.1 in (104 mm)
- Based on2016-2025 daily ERA5 reanalysis data (10-year normals)