Climate almanac
Llanelli
Wales, United Kingdom · 51.68°, -4.16°
What is the weather like in Llanelli in December?
In December, Llanelli is typically 48°F (9°C) during the day and 43°F (6°C) at night. The month brings about 6.9 in (176 mm) of precipitation in total. Snowfall averages about 0.5 in (12 mm) over the month.
- Average high48°F (9°C)
- Average low43°F (6°C)
- Precipitation6.9 in (176 mm)
- Clear or mostly clear days2
- Snowfall0.5 in (12 mm)
- Based on2016-2025 daily ERA5 reanalysis data (10-year normals)