Climate almanac
Saint Helier
St Helier, Jersey · 49.19°, -2.10°
What is the weather like in Saint Helier in January?
In January, Saint Helier is typically 49°F (9°C) during the day and 45°F (7°C) at night. The month brings about 5.4 in (137 mm) of precipitation in total.
- Average high49°F (9°C)
- Average low45°F (7°C)
- Precipitation5.4 in (137 mm)
- Clear or mostly clear days3
- Based on2016-2025 daily ERA5 reanalysis data (10-year normals)