Climate almanac
Charleston
Illinois, United States · 39.50°, -88.18°
What is the weather like in Charleston in March?
In March, Charleston is typically 56°F (13°C) during the day and 37°F (3°C) at night. The month brings about 4.5 in (115 mm) of precipitation in total. Snowfall averages about 0.9 in (24 mm) over the month.
- Average high56°F (13°C)
- Average low37°F (3°C)
- Precipitation4.5 in (115 mm)
- Clear or mostly clear days9
- Snowfall0.9 in (24 mm)
- Based on2016-2025 daily ERA5 reanalysis data (10-year normals)