Climate almanac
Chatham
Ontario, Canada · 42.41°, -82.18°
What is the weather like in Chatham in May?
In May, Chatham is typically 68°F (20°C) during the day and 50°F (10°C) at night. The month brings about 3.4 in (87 mm) of precipitation in total. Snowfall averages about 0.1 in (3 mm) over the month.
- Average high68°F (20°C)
- Average low50°F (10°C)
- Precipitation3.4 in (87 mm)
- Clear or mostly clear days8
- Snowfall0.1 in (3 mm)
- Based on2016-2025 daily ERA5 reanalysis data (10-year normals)