Climate almanac
Chilliwack
British Columbia, Canada · 49.17°, -121.95°
What is the weather like in Chilliwack in December?
In December, Chilliwack is typically 36°F (2°C) during the day and 29°F (-2°C) at night. The month brings about 14 in (359 mm) of precipitation in total. Snowfall averages about 43 in (1096 mm) over the month.
- Average high36°F (2°C)
- Average low29°F (-2°C)
- Precipitation14 in (359 mm)
- Clear or mostly clear days3
- Snowfall43 in (1096 mm)
- Based on2016-2025 daily ERA5 reanalysis data (10-year normals)