Swansea Weather in January

Swansea in January sees low daytime temperatures of 9°C (48°F) and nighttime lows of 4°C (39°F). Rainfall is fairly high this month at around 133 mm (5.2 in), so pack a rain jacket to stay dry.

Rainfall in Swansea in January

Typically, you can expect about 21 days of rain this month, with 133 mm (5.2 in) on average. Expect frequent rainfall this month, and not just light drizzle. When it rains, it tends to come down hard.

Temperature in Swansea in January

Temperatures in Swansea in January top out at 9°C (48°F) and drop to 4°C (39°F) overnight. During January, you'll experience the winter season. It stays cool throughout the day, so warm layers are a good idea from morning to evening. Nights drop to 4°C (39°F). Cold nights like these are actually great for sleeping well, as long as you have a warm enough duvet. January has the coolest temperatures of the year, but still offering mild weather.

Sunshine in Swansea in January

The city usually sees around 53 hours of sunlight, indicating fewer sunny days.

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

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Check the conditions for any month of the year.

• January
• February
• March
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• May
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• September
• October
• November
• December

For a detailed overview over the year and the best time to visit the United Kingdom, check out our Swansea's climate page.

Swansea Temperature in January

Min Temperature 4°C (39°F)  

Max Temperature 9°C (48°F)  

Chance of Rain 68%  

Precipitation 133 mm (5.2 in)  

Rainy days 21 days  

Humidity 89% *  

Sunshine 53 hours *  

Percentage Sunshine 20% *  

* Data from: Cardiff, the United Kingdom (48 KM, 29 Miles).

What to Wear in Swansea in January

We recommend to layer up for chilly conditions in Swansea in January. You could start with thermal underwear or a good base layer to keep your core warm on the cooler days this month. Maybe also add a sweater or fleece, and top it off with a windproof jacket. High rain levels are expected, so pack waterproof gear and an umbrella or poncho. Sunglasses aren't essential this month, though you might want them for the occasional bright moment.

What To Do in Swansea in January

We rated the following activities from 1 (least suitable) to 10 (best) to do.

Swimming

4/10

Cycling

4/10

Walking

4/10

Camping

3/10

Outdoor sports

4/10

Select a Month

Check the conditions for any month of the year.

• January
• February
• March
• April

• May
• June
• July
• August

• September
• October
• November
• December

For a detailed overview over the year and the best time to visit the United Kingdom, check out our Swansea's climate page.

More climate data for Swansea

Temperature Rainfall Sunshine Humidity

See the full Swansea climate overview or explore weather in the United Kingdom.