Climate almanac
Mattoon
Illinois, United States · 39.48°, -88.37°
What is the weather like in Mattoon in April?
In April, Mattoon is typically 65°F (18°C) during the day and 45°F (7°C) at night. The month brings about 5.1 in (128 mm) of precipitation in total. Snowfall averages about 0.4 in (10 mm) over the month.
- Average high65°F (18°C)
- Average low45°F (7°C)
- Precipitation5.1 in (128 mm)
- Clear or mostly clear days9
- Snowfall0.4 in (10 mm)
- Based on2016-2025 daily ERA5 reanalysis data (10-year normals)