Weather in Cardiff in January
Cardiff, United Kingdom averages a high of 7.5°C (45.5°F) and low of 3.1°C (37.6°F) in January, with 14 rain days and 4.1 hours of daily sunshine. Travel score: 38.5/100 (Poor). The best time to visit Cardiff is July.
High
8°C46°F
Low
3°C38°F
🌧️
14
rain days
☀️
4.1
hrs/day sunshine
💧
86%
humidity
39— Poor
January in Cardiff is cold and occasionally wet — challenging weather conditions.
What are the average temperatures in Cardiff?
How much does it rain in Cardiff in January?
Cardiff receives an average of 94.8mm of rainfall across 14 rainy days in January. The annual total is 1041.5mm.
What should I pack for Cardiff in January?
Essentials
👟
Comfortable walking shoes
Essential for exploring the city
🧥
Warm coat
Cool weather with highs around 8°C
🧶
Sweaters and warm layers
Layer up for comfort
🧤
Warm gloves
Cold nights around 3°C
🧣
Warm scarf
Protect against cold winds
Traveling to United Kingdom in January?
Don't let a public holiday surprise you — restaurants, shops, and attractions may be closed.
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Data based on 1994–2024 averages · Last updated: 2024-12-31