Llanberis Weather in December

Thinking of visiting Llanberis in December? Expect low temperatures reaching 9°C (48°F) during the day, dropping to 4°C (39°F) at night, and be prepared for the wettest month of the year.

Rainfall in Llanberis in December

During the wettest month of the year, an umbrella can be your best friend to stay dry. You can expect rain on roughly 22 days based on historical data, averaging 142 mm (5.6 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 Llanberis in December

If you're visiting Llanberis in December, expect highs of 9°C (48°F) and overnight lows around 4°C (39°F). This month falls in the winter season. The days stay cool from start to finish. Layering up well will make outdoor time much more comfortable. With overnight lows of 4°C (39°F), nights are cold. The cold air does make for deep, comfortable sleep if you have enough blankets.

Sunshine in Llanberis in December

The month has fewer sunny days, with around 26 hours of sunshine.

December in Llanberis 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.

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 Llanberis's climate page.

Llanberis Temperature in December

Min Temperature 4°C (39°F)  

Max Temperature 9°C (48°F)  

Chance of Rain 72%  

Precipitation 142 mm (5.6 in)  

Rainy days 22 days  

Sunshine 26 hours *  

Percentage Sunshine *  

* Data from: Bala, the United Kingdom (42 KM, 26 Miles).

What to Wear in Llanberis in December

Dress warmly and in layers for your trip to Llanberis in December. A good base layer system works wonders. Start with good thermal underwear, add something warm like a fleece sweater, then finish with a waterproof jacket on top. Expect heavy rainfall, so bring good rain protection and waterproof bags. Sunglasses aren't essential this month, though you might want them for the occasional bright moment.

What To Do in Llanberis 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 Llanberis's climate page.

More climate data for Llanberis

Temperature Rainfall Sunshine

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