Climate almanac
Marengo
Illinois, United States · 42.25°, -88.61°
What is the weather like in Marengo in May?
In May, Marengo is typically 71°F (21°C) during the day and 51°F (11°C) at night. The month brings about 5.0 in (126 mm) of precipitation in total.
- Average high71°F (21°C)
- Average low51°F (11°C)
- Precipitation5.0 in (126 mm)
- Clear or mostly clear days8
- Based on2016-2025 daily ERA5 reanalysis data (10-year normals)