Climate almanac
Galesburg
Illinois, United States · 40.95°, -90.37°
What is the weather like in Galesburg in May?
In May, Galesburg is typically 74°F (23°C) during the day and 55°F (13°C) at night. The month brings about 5.0 in (126 mm) of precipitation in total.
- Average high74°F (23°C)
- Average low55°F (13°C)
- Precipitation5.0 in (126 mm)
- Clear or mostly clear days9
- Based on2016-2025 daily ERA5 reanalysis data (10-year normals)