Llantrisant weather in December (Glamorgan, United Kingdom)

How does the weather in Llantrisant usually fare in December? Here’s a detailed forecast of the month’s weather patterns.

Temperatures

Typically, December in Llantrisant includes low temperatures and high rainfall. December marks the winter season. You can expect daytime temperatures to reach around 9°C, while the nights will see a decline to about 4°C.

Precipitation

Llantrisant in December usually receives high rainfall, averaging around 120 mm for the month. With frequent rain showers this month, having an umbrella on hand will keep you dry. Based on our climate data of the past 30 years, about 20 days of rain are anticipated.

Average sunshine

The city usually sees around 49 hours of sunlight, indicating fewer sunny days.

If you're looking for dry conditions and comfortable temperatures, December may not be the ideal month to visit Llantrisant. July and August generally stand out with the best circumstances. While January, February, November and December tend to showcase less optimal conditions.

For an in-depth look at the yearly conditions, visit our specialized Llantrisant climate page with graphs.

 

Llantrisant, monthly averages in December

Min Temperature 4°C  

Max Temperature 9°C  

Water Temperature 10°C *  

Chance of Rain 66%  

Precipitation 120 mm  

Rainy days 20 days  

Humidity 89% *  

Windspeed 18 km/h *  

Sunshine 49 hours *  

Percentage Sunshine 19% *  

Data from: Cardiff, the United Kingdom (15 KM, 9 Miles).

Where to go in the United Kingdom in December

Find out more about the weather in the United Kingdom and which places have the best travel conditions in this month.

Weather conditions Weather

Temperatures

Precipitation

Map not visible? Whoops sorry! Please refresh the page.

Legend perfect weather pleasant tolerable unpleasant poor

Perfect weather is subjective. On this map perfect weather has been defined with temperatures between 20°C and 29°C and not too much precipitation (less than 90 mm a month).

So, what should you wear in this month?

Wear a base layer in cold weather; this is the #1 thing you can do to increase your overall body temperature. With a water temperature of around 10°C there is no need to bring your swimwear.

What To Do

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

Interested in more climate information?

This site provides you with all the information you need about the climate in Llantrisant.

Our site offers climate and forecast data for every country in the world. Are you going to the United Kingdom? On this website you can find historical weather averages for many cities in the United Kingdom. Not sure yet where to go? We now have a tool which recommends destinations that suit your ideal travel conditions. Find out where to go with our weather planner.