Climate almanac
Alliston
Ontario, Canada · 44.15°, -79.87°
What is the weather like in Alliston in August?
In August, Alliston is typically 78°F (25°C) during the day and 60°F (15°C) at night. The month brings about 3.4 in (85 mm) of precipitation in total.
- Average high78°F (25°C)
- Average low60°F (15°C)
- Precipitation3.4 in (85 mm)
- Clear or mostly clear days12
- Based on2016-2025 daily ERA5 reanalysis data (10-year normals)