Climate almanac
Saint Helier
St Helier, Jersey · 49.19°, -2.10°
What is the weather like in Saint Helier in August?
In August, Saint Helier is typically 66°F (19°C) during the day and 63°F (17°C) at night. The month brings about 2.5 in (63 mm) of precipitation in total.
- Average high66°F (19°C)
- Average low63°F (17°C)
- Precipitation2.5 in (63 mm)
- Clear or mostly clear days9
- Based on2016-2025 daily ERA5 reanalysis data (10-year normals)