Climate almanac
Châteaulin
Brittany, France · 48.20°, -4.09°
What is the weather like in Châteaulin in December?
In December, Châteaulin is typically 50°F (10°C) during the day and 42°F (6°C) at night. The month brings about 4.7 in (120 mm) of precipitation in total. Snowfall averages about 0.1 in (3 mm) over the month.
- Average high50°F (10°C)
- Average low42°F (6°C)
- Precipitation4.7 in (120 mm)
- Clear or mostly clear days3
- Snowfall0.1 in (3 mm)
- Based on2016-2025 daily ERA5 reanalysis data (10-year normals)