Carmarthen

What is the weather like in Carmarthen in January?

In January, Carmarthen is typically 46°F (8°C) during the day and 40°F (4°C) at night. The month brings about 5.2 in (131 mm) of precipitation in total. Snowfall averages about 0.5 in (12 mm) over the month.

• Average high46°F (8°C)
• Average low40°F (4°C)
• Precipitation5.2 in (131 mm)
• Clear or mostly clear days2
• Snowfall0.5 in (12 mm)
• Based on2016-2025 daily ERA5 reanalysis data (10-year normals)