Carmarthen Weather in January

During January, Carmarthen experiences low daytime temperatures of 9°C (48°F) and cooler nights around 4°C (39°F). As part of the winter season, expect quite a bit of rainfall. Around 127 mm (5 in) is typical.

Rainfall in Carmarthen in January

You can typically expect 20 days of rain this month, averaging around 127 mm (5 in). Wet weather is a regular and significant part of this month. Frequent days of rain combined with high totals means proper waterproofs are worth packing.

Temperature in Carmarthen in January

In January, Carmarthen sees low temperatures, with highs of 9°C (48°F). Nights drop to around 4°C (39°F). The winter season is characteristic of January. Temperatures remain on the cold side all day. A proper warm jacket is worth having, not just for evenings. At 4°C (39°F) overnight, it gets properly cold after dark. On the bright side, cold nights tend to make for excellent sleeping conditions. The temperatures in January are typically the coolest of the year.

If you're looking for dry conditions and comfortable temperatures, January may not be the ideal month to visit Carmarthen. Our weather planner can help you explore destinations with more pleasant weather conditions.