Climate almanac
Blue Island
Illinois, United States · 41.66°, -87.68°
What is the weather like in Blue Island in May?
In May, Blue Island is typically 68°F (20°C) during the day and 52°F (11°C) at night. The month brings about 4.9 in (125 mm) of precipitation in total.
- Average high68°F (20°C)
- Average low52°F (11°C)
- Precipitation4.9 in (125 mm)
- Clear or mostly clear days9
- Based on2016-2025 daily ERA5 reanalysis data (10-year normals)