Cardiff Weather in January

Cold, with regular rainfall. Average highs of 8°C and lows of 3°C, with around 16 rainy days expected throughout the month.

While January isn't our top-rated month for Cardiff, it has its own appeal — typically lower prices, fewer crowds, and a more local feel.

Average high

8°C

Average low

3°C

Rainy days

16 days

Best months to visit

Year-round

What to do in Cardiff in January

Whatever the weather, Cardiff rewards curious visitors. Here are some of the best ways to spend your time:

Tour Cardiff Castle from Roman times Visit the National Museum Cardiff (free) Explore the Victorian and Edwardian shopping arcades Walk Bute Park and see Cathays Park's government buildings Day trip to nearby Caerphilly Castle Catch rugby at the Millennium Stadium

What to pack for January

Pack for cold weather — a proper winter coat, thermal layers, waterproof boots, and warm accessories. You'll want a good base layer for outdoor activities.