The Mumbles Weather in December

Thinking of visiting The Mumbles in December? Expect low temperatures reaching 10°C (50°F) during the day, dropping to 5°C (41°F) at night, and be prepared for the wettest month of the year.

Rainfall in The Mumbles in December

This month is known for its intense rain, often falling heavily. Having a poncho will help you stay dry during the showers. Past climate data indicates that roughly 20 days will see rain, totalling around 150 mm (5.9 in) for the month. Expect frequent rainfall this month, and not just light drizzle. When it rains, it tends to come down hard.

Temperature in The Mumbles in December

December in The Mumbles brings low temperatures, with highs of 10°C (50°F) and nights around 5°C (41°F). The winter season takes place during December. It stays cool throughout the day, so warm layers are a good idea from morning to evening. With overnight lows of 5°C (41°F), nights are cold. The cold air does make for deep, comfortable sleep if you have enough blankets.

Sunshine in The Mumbles in December

The area sees fewer sunny days, with a projection of about 49 hours of sunshine. This reduced sunlight makes it ideal for those who prefer overcast conditions over bright sunny days.

If you prefer dry days with pleasant temperatures, December may not be the ideal month to visit The Mumbles. Our weather planner can help you explore destinations with more pleasant weather conditions.

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 The Mumbles's climate page.

The Mumbles Temperature in December

Min Temperature 5°C (41°F)  

Max Temperature 10°C (50°F)  

Chance of Rain 66%  

Precipitation 150 mm (5.9 in)  

Rainy days 20 days  

Humidity 89% *  

Sunshine 49 hours *  

Percentage Sunshine 19% *  

* Data from: Cardiff, the United Kingdom (48 KM, 30 Miles).

What to Wear in The Mumbles in December

We recommend to layer up for chilly conditions in The Mumbles in December. 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. Also bring a poncho, it will rain a lot! Waterproof everything you can. You can probably leave your sunglasses at home, because sunny days are pretty rare this month.

What To Do in The Mumbles in December

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

Swimming

4/10

Cycling

5/10

Walking

5/10

Camping

3/10

Outdoor sports

5/10

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 The Mumbles's climate page.

More climate data for The Mumbles

Temperature Rainfall Sunshine Humidity

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