Climate almanac
Saint Helier
St Helier, Jersey · 49.19°, -2.10°
What is the weather like in Saint Helier in December?
In December, Saint Helier is typically 51°F (11°C) during the day and 48°F (9°C) at night. The month brings about 5.9 in (149 mm) of precipitation in total.
- Average high51°F (11°C)
- Average low48°F (9°C)
- Precipitation5.9 in (149 mm)
- Clear or mostly clear days2
- Based on2016-2025 daily ERA5 reanalysis data (10-year normals)