Climate almanac
Sussex
New Brunswick, Canada · 45.72°, -65.51°
What is the weather like in Sussex in December?
In December, Sussex is typically 33°F (1°C) during the day and 18°F (-8°C) at night. The month brings about 4.6 in (118 mm) of precipitation in total. Snowfall averages about 12 in (304 mm) over the month.
- Average high33°F (1°C)
- Average low18°F (-8°C)
- Precipitation4.6 in (118 mm)
- Clear or mostly clear days8
- Snowfall12 in (304 mm)
- Based on2016-2025 daily ERA5 reanalysis data (10-year normals)