Climate almanac
Swansea
Wales, United Kingdom · 51.62°, -3.94°
What is the weather like in Swansea in January?
In January, Swansea is typically 47°F (8°C) during the day and 42°F (5°C) at night. The month brings about 5.3 in (135 mm) of precipitation in total. Snowfall averages about 0.3 in (7 mm) over the month.
- Average high47°F (8°C)
- Average low42°F (5°C)
- Precipitation5.3 in (135 mm)
- Clear or mostly clear days3
- Snowfall0.3 in (7 mm)
- Based on2016-2025 daily ERA5 reanalysis data (10-year normals)