Climate almanac
Grande-Synthe
Hauts-de-France, France · 51.02°, 2.30°
What is the weather like in Grande-Synthe in December?
In December, Grande-Synthe is typically 48°F (9°C) during the day and 41°F (5°C) at night. The month brings about 2.8 in (71 mm) of precipitation in total. Snowfall averages about 0.9 in (22 mm) over the month.
- Average high48°F (9°C)
- Average low41°F (5°C)
- Precipitation2.8 in (71 mm)
- Clear or mostly clear days2
- Snowfall0.9 in (22 mm)
- Based on2016-2025 daily ERA5 reanalysis data (10-year normals)