Climate almanac
Joliet
Illinois, United States · 41.53°, -88.08°
What is the weather like in Joliet in May?
In May, Joliet is typically 72°F (22°C) during the day and 53°F (12°C) at night. The month brings about 5.1 in (129 mm) of precipitation in total.
- Average high72°F (22°C)
- Average low53°F (12°C)
- Precipitation5.1 in (129 mm)
- Clear or mostly clear days8
- Based on2016-2025 daily ERA5 reanalysis data (10-year normals)