Climate almanac
Effingham
Illinois, United States · 39.12°, -88.54°
What is the weather like in Effingham in January?
In January, Effingham is typically 40°F (4°C) during the day and 26°F (-3°C) at night. The month brings about 3.4 in (86 mm) of precipitation in total. Snowfall averages about 3.9 in (98 mm) over the month.
- Average high40°F (4°C)
- Average low26°F (-3°C)
- Precipitation3.4 in (86 mm)
- Clear or mostly clear days8
- Snowfall3.9 in (98 mm)
- Based on2016-2025 daily ERA5 reanalysis data (10-year normals)