Climate almanac
Cornwall
Prince Edward Island, Canada · 46.23°, -63.22°
What is the weather like in Cornwall in December?
In December, Cornwall is typically 34°F (1°C) during the day and 24°F (-5°C) at night. The month brings about 3.9 in (99 mm) of precipitation in total. Snowfall averages about 11 in (287 mm) over the month.
- Average high34°F (1°C)
- Average low24°F (-5°C)
- Precipitation3.9 in (99 mm)
- Clear or mostly clear days3
- Snowfall11 in (287 mm)
- Based on2016-2025 daily ERA5 reanalysis data (10-year normals)