Climate almanac
Salem
Illinois, United States · 38.63°, -88.95°
What is the weather like in Salem in January?
In January, Salem is typically 40°F (5°C) during the day and 27°F (-3°C) at night. The month brings about 3.4 in (87 mm) of precipitation in total. Snowfall averages about 3.9 in (99 mm) over the month.
- Average high40°F (5°C)
- Average low27°F (-3°C)
- Precipitation3.4 in (87 mm)
- Clear or mostly clear days7
- Snowfall3.9 in (99 mm)
- Based on2016-2025 daily ERA5 reanalysis data (10-year normals)