Climate almanac
Grimsby
Ontario, Canada · 43.20°, -79.57°
What is the weather like in Grimsby in August?
In August, Grimsby is typically 77°F (25°C) during the day and 67°F (20°C) at night. The month brings about 3.0 in (75 mm) of precipitation in total.
- Average high77°F (25°C)
- Average low67°F (20°C)
- Precipitation3.0 in (75 mm)
- Clear or mostly clear days13
- Based on2016-2025 daily ERA5 reanalysis data (10-year normals)