Climate almanac
Glen Ellyn
Illinois, United States · 41.88°, -88.07°
What is the weather like in Glen Ellyn in May?
In May, Glen Ellyn is typically 70°F (21°C) during the day and 52°F (11°C) at night. The month brings about 5.0 in (127 mm) of precipitation in total.
- Average high70°F (21°C)
- Average low52°F (11°C)
- Precipitation5.0 in (127 mm)
- Clear or mostly clear days8
- Based on2016-2025 daily ERA5 reanalysis data (10-year normals)