Climate almanac
Spring Valley
Illinois, United States · 41.33°, -89.20°
What is the weather like in Spring Valley in December?
In December, Spring Valley is typically 40°F (4°C) during the day and 26°F (-3°C) at night. The month brings about 2.2 in (56 mm) of precipitation in total. Snowfall averages about 2.9 in (75 mm) over the month.
- Average high40°F (4°C)
- Average low26°F (-3°C)
- Precipitation2.2 in (56 mm)
- Clear or mostly clear days7
- Snowfall2.9 in (75 mm)
- Based on2016-2025 daily ERA5 reanalysis data (10-year normals)