Climate almanac
Gravenhurst
Ontario, Canada · 44.92°, -79.37°
What is the weather like in Gravenhurst in December?
In December, Gravenhurst is typically 31°F (-1°C) during the day and 19°F (-7°C) at night. The month brings about 4.0 in (100 mm) of precipitation in total. Snowfall averages about 17 in (427 mm) over the month.
- Average high31°F (-1°C)
- Average low19°F (-7°C)
- Precipitation4.0 in (100 mm)
- Clear or mostly clear days1
- Snowfall17 in (427 mm)
- Based on2016-2025 daily ERA5 reanalysis data (10-year normals)