Climate almanac
Halton Hills
Ontario, Canada · 43.64°, -79.93°
What is the weather like in Halton Hills in December?
In December, Halton Hills is typically 34°F (1°C) during the day and 23°F (-5°C) at night. The month brings about 3.1 in (78 mm) of precipitation in total. Snowfall averages about 11 in (288 mm) over the month.
- Average high34°F (1°C)
- Average low23°F (-5°C)
- Precipitation3.1 in (78 mm)
- Clear or mostly clear days1
- Snowfall11 in (288 mm)
- Based on2016-2025 daily ERA5 reanalysis data (10-year normals)