Trefriw Weather in December

In Trefriw, December brings low daytime temperatures around 9°C (48°F), with nights cooling to 3°C (37°F). It is the wettest month of the year, so expect more rainfall than usual.

Rainfall in Trefriw in December

With the most rainfall occurring this month, it's practical to keep an umbrella handy for sudden downpours. Typically, about 21 days will experience rainfall, with an average of 118 mm (4.6 in) for the month. This month brings frequent, heavy showers. Both the number of wet days and the rainfall totals are on the high side.

Temperature in Trefriw in December

In December, Trefriw sees low temperatures, with highs of 9°C (48°F). Nights drop to around 3°C (37°F). December is part of winter. Expect a cold feel throughout the day, not just in the mornings and evenings. Warm layers are essential. With overnight lows of 3°C (37°F), nights are cold. The cold air does make for deep, comfortable sleep if you have enough blankets.

Sunshine in Trefriw in December

The area sees fewer sunny days, with a projection of about 26 hours of sunshine. This reduced sunlight makes it ideal for those who prefer overcast conditions over bright sunny days.

Our weather planner can help you find worldwide destinations with pleasant weather during this period. July typically offers the best weather for Trefriw.

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Check the conditions for any month of the year.

• January
• February
• March
• April

• May
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• 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 Trefriw's climate page.

Trefriw Temperature in December

Min Temperature 3°C (37°F)  

Max Temperature 9°C (48°F)  

Chance of Rain 71%  

Precipitation 118 mm (4.6 in)  

Rainy days 21 days  

Sunshine 26 hours *  

Percentage Sunshine *  

* Data from: Bala, the United Kingdom (30 KM, 19 Miles).

What to Wear in Trefriw in December

Dress warmly and in layers for your trip to Trefriw 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. With limited sunshine expected, sunglasses aren't a priority for packing.

What To Do in Trefriw 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 Trefriw's climate page.

More climate data for Trefriw

Temperature Rainfall Sunshine

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