Climate almanac
Fort St. John
British Columbia, Canada · 56.25°, -120.85°
What is the weather like in Fort St. John in December?
In December, Fort St. John is typically 18°F (-8°C) during the day and 5°F (-15°C) at night. The month brings about 1.2 in (31 mm) of precipitation in total. Snowfall averages about 8.2 in (208 mm) over the month.
- Average high18°F (-8°C)
- Average low5°F (-15°C)
- Precipitation1.2 in (31 mm)
- Clear or mostly clear days6
- Snowfall8.2 in (208 mm)
- Based on2016-2025 daily ERA5 reanalysis data (10-year normals)