Weather in Swansea in December
Swansea, United Kingdom averages a high of 8.4°C (47.1°F) and low of 4.7°C (40.5°F) in December, with 15 rain days and 3.9 hours of daily sunshine. Travel score: 38.5/100 (Poor). The best time to visit Swansea is June.
High
8°C47°F
Low
5°C40°F
🌧️
15
rain days
☀️
3.9
hrs/day sunshine
💧
85%
humidity
39— Poor
December in Swansea is cool and rainy — challenging weather conditions.
What are the average temperatures in Swansea?
How much does it rain in Swansea in December?
Swansea receives an average of 140.7mm of rainfall across 15 rainy days in December. The annual total is 1256.2mm.
What should I pack for Swansea in December?
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
🧥
Waterproof jacket
Frequent rain expected (15 rainy days)
☔
Umbrella
Essential for the rainy season
👢
Waterproof shoes
Keep your feet dry in wet conditions
🧤
Warm gloves
Cold nights around 5°C
🧣
Warm scarf
Protect against cold winds
Traveling to United Kingdom in December?
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