Climate almanac
Alton
Illinois, United States · 38.89°, -90.18°
What is the weather like in Alton in February?
In February, Alton is typically 47°F (8°C) during the day and 29°F (-2°C) at night. The month brings about 2.6 in (67 mm) of precipitation in total. Snowfall averages about 4.3 in (109 mm) over the month.
- Average high47°F (8°C)
- Average low29°F (-2°C)
- Precipitation2.6 in (67 mm)
- Clear or mostly clear days8
- Snowfall4.3 in (109 mm)
- Based on2016-2025 daily ERA5 reanalysis data (10-year normals)