Llannon Weather in December

December in Llannon brings low temperatures, with daytime highs of 10°C (50°F) and nights around 4°C (39°F). It's also the wettest month of the year, so an umbrella is a must.

Rainfall in Llannon in December

This month sees the most rain, so carrying an umbrella will ensure you stay dry. Historically, December sees about 20 days of rain, with a monthly average of 144 mm (5.7 in). Expect frequent rainfall this month, and not just light drizzle. When it rains, it tends to come down hard.

Temperature in Llannon in December

Daytime temperatures in Llannon reach 10°C (50°F) in December, dropping to 4°C (39°F) at night. December is part of the winter season. Even at the warmest part of the day, temperatures stay low. Dressing warmly from the start is the sensible approach. At 4°C (39°F) overnight, it gets properly cold after dark. On the bright side, cold nights tend to make for excellent sleeping conditions.

Sunshine in Llannon in December

The month has fewer sunny days, with around 49 hours of sunshine.

If you're looking for dry conditions and comfortable temperatures, December may not be the ideal month to visit Llannon. 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 Llannon's climate page.

Llannon Temperature in December

Min Temperature 4°C (39°F)  

Max Temperature 10°C (50°F)  

Chance of Rain 66%  

Precipitation 144 mm (5.7 in)  

Rainy days 20 days  

Humidity 89% *  

Sunshine 49 hours *  

Percentage Sunshine 19% *  

* Data from: Cardiff, the United Kingdom (65 KM, 40 Miles).

What to Wear in Llannon in December

We recommend to layer up for chilly conditions in Llannon 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. 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 Llannon 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 Llannon's climate page.

More climate data for Llannon

Temperature Rainfall Sunshine Humidity

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