Climate almanac
Algonquin
Illinois, United States · 42.17°, -88.29°
What is the weather like in Algonquin in May?
In May, Algonquin is typically 70°F (21°C) during the day and 52°F (11°C) at night. The month brings about 4.9 in (124 mm) of precipitation in total.
- Average high70°F (21°C)
- Average low52°F (11°C)
- Precipitation4.9 in (124 mm)
- Clear or mostly clear days8
- Based on2016-2025 daily ERA5 reanalysis data (10-year normals)