Climate almanac
Downtown St. John's
Newfoundland and Labrador, Canada · 47.56°, -52.71°
What is the weather like in Downtown St. John's in December?
In December, Downtown St. John's is typically 37°F (3°C) during the day and 29°F (-2°C) at night. The month brings about 5.2 in (133 mm) of precipitation in total. Snowfall averages about 14 in (361 mm) over the month.
- Average high37°F (3°C)
- Average low29°F (-2°C)
- Precipitation5.2 in (133 mm)
- Clear or mostly clear days1
- Snowfall14 in (361 mm)
- Based on2016-2025 daily ERA5 reanalysis data (10-year normals)