Climate almanac
Tam O'Shanter-Sullivan
Ontario, Canada · 43.78°, -79.30°
What is the weather like in Tam O'Shanter-Sullivan in December?
In December, Tam O'Shanter-Sullivan is typically 37°F (3°C) during the day and 29°F (-2°C) at night. The month brings about 3.8 in (97 mm) of precipitation in total. Snowfall averages about 9.3 in (235 mm) over the month.
- Average high37°F (3°C)
- Average low29°F (-2°C)
- Precipitation3.8 in (97 mm)
- Clear or mostly clear days2
- Snowfall9.3 in (235 mm)
- Based on2016-2025 daily ERA5 reanalysis data (10-year normals)