Climate almanac
Decatur
Illinois, United States · 39.84°, -88.95°
What is the weather like in Decatur in February?
In February, Decatur is typically 44°F (7°C) during the day and 26°F (-3°C) at night. The month brings about 2.6 in (66 mm) of precipitation in total. Snowfall averages about 5.4 in (136 mm) over the month.
- Average high44°F (7°C)
- Average low26°F (-3°C)
- Precipitation2.6 in (66 mm)
- Clear or mostly clear days8
- Snowfall5.4 in (136 mm)
- Based on2016-2025 daily ERA5 reanalysis data (10-year normals)