Llantwit Major Weather in December

December in Llantwit Major sees daytime temperatures around 10°C (50°F) and lows of 5°C (41°F) at night. As the wettest month of the year, keep in mind that rainfall is at its highest.

Rainfall in Llantwit Major in December

Prepare for the wettest month with an umbrella to protect yourself from frequent rain. Typically, you can expect about 20 days of rain this month, with 126 mm (5 in) on average. This is a wet month with frequent and often heavy showers. Both the number of rain days and the total rainfall are high.

Temperature in Llantwit Major in December

Expect highs of 10°C (50°F) in Llantwit Major in December, with nights dropping to around 5°C (41°F). Winter occurs in December. Temperatures remain on the cold side all day. A proper warm jacket is worth having, not just for evenings. Nights drop to 5°C (41°F). Cold nights like these are actually great for sleeping well, as long as you have a warm enough duvet.

Sunshine in Llantwit Major in December

The month is characterized by fewer sunny days, with roughly 49 hours hours of sunshine. Ideal for those who prefer a cooler, cloudier climate.

Wind Speed in Llantwit Major in December

December has wind speeds averaging 5 m/s (10 knots). You can expect gentle to moderate winds that move small trees and make flags wave steadily on typical days. Conditions typically range from light breezes to moderate winds.

Average water temperature in December

With water temperatures around 10°C (50°F), swimming isn't really an option for most visitors. The cold sets in quickly and a wetsuit won't fully solve it.

December in Llantwit Major can still be great, but if you prefer pleasant temperatures along with dry and sunny conditions, our weather planner can help you explore other options in the world.

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• January
• February
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• December

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

Llantwit Major Temperature in December

Min Temperature 5°C (41°F)  

Max Temperature 10°C (50°F)  

Water Temperature 10°C (50°F) *  

Chance of Rain 66%  

Precipitation 126 mm (5 in)  

Rainy days 20 days  

Humidity 89% *  

Windspeed 5 m/s (10 knots) *  

Sunshine 49 hours *  

Percentage Sunshine 19% *  

* Data from: Cardiff, the United Kingdom (9 KM, 5 Miles).

What to Wear in Llantwit Major in December

Cold weather calls for smart layering in December. A thermal base layer makes a huge difference in staying warm. Add a wool sweater or fleece, then a wind-resistant outer jacket. Prepare for significant rainfall with proper waterproof clothing and shoes. The water temperature sits at about 10°C (50°F), which is too chilly for most people to enjoy swimming. Leave the swimsuit at home unless you love cold water. Sunglasses aren't essential this month, though you might want them for the occasional bright moment.

What To Do in Llantwit Major in December

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 Llantwit Major's climate page.

More climate data for Llantwit Major

Temperature Rainfall Sunshine Humidity Wind Speed Water Temp

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