Climate almanac
Grimsby
Ontario, Canada · 43.20°, -79.57°
What is the weather like in Grimsby in May?
In May, Grimsby is typically 60°F (15°C) during the day and 49°F (9°C) at night. The month brings about 3.2 in (81 mm) of precipitation in total.
- Average high60°F (15°C)
- Average low49°F (9°C)
- Precipitation3.2 in (81 mm)
- Clear or mostly clear days8
- Based on2016-2025 daily ERA5 reanalysis data (10-year normals)