Climate almanac
Carmarthen
Wales, United Kingdom · 51.86°, -4.31°
What is the weather like in Carmarthen in August?
In August, Carmarthen is typically 65°F (19°C) during the day and 57°F (14°C) at night. The month brings about 4.5 in (115 mm) of precipitation in total.
- Average high65°F (19°C)
- Average low57°F (14°C)
- Precipitation4.5 in (115 mm)
- Clear or mostly clear days3
- Based on2016-2025 daily ERA5 reanalysis data (10-year normals)