Snowdonia National Park Weather in January

Average temperatures, rainfall, sunshine and the best places to visit in Snowdonia National Park, the United Kingdom in January.

🔎
Betws-y-coed Dolgellau Blaenau-Ffestiniog Beddgelert

Planning a getaway to Snowdonia National Park, the United Kingdom this January and curious about the weather you should prepare for? Discover all the vital details you need on this page, solving your puzzle:

What to Expect in Snowdonia National Park in January

Snowdonia National Park, the United Kingdom is a region in the United Kingdom. January in Snowdonia National Park generally has cold temperatures, with high precipitation. January is a winter month.

Temperatures

You can expect cold maximum daytime temperatures of around 8°C (46°F) and nighttime temperatures around 2°C (36°F) in Betws-y-coed. On average, January is the coldest month of the year in Snowdonia National Park, the United Kingdom. So be prepared and make sure to pack winter cloths.

To learn more about the conditions in specific areas of Snowdonia National Park, the United Kingdom, check out the map below.

Precipitation

In January, precipitation varies across different areas. From high rainfall in Trefriw with an average of 104 mm (4.1 in) to high rainfall in Beddgelert with 146 mm (5.7 in).

Average sunshine

Sunshine tends to be more scarce in many locations. Betws-y-coed gets roughly 33 hours of sunlight. For sunnier alternatives, check our weather planner to find destinations with better conditions.

Explore Snowdonia National Park by month

Pick a month to see the average temperature, rainfall and sunshine in Snowdonia National Park — and find the best time to visit. (based on Betws-y-coed)

January8°C (46°F) February8°C (46°F) March10°C (50°F) April12°C (54°F) May15°C (59°F) June18°C (64°F) This monthJuly19°C (66°F) August19°C (66°F) September17°C (63°F) October14°C (57°F) November10°C (50°F) December8°C (46°F)
Best Time to Visit Snowdonia National Park →

Best Places to Visit in Snowdonia National Park in January

Click on a destination dot for more details. Toggle the map to compare temperatures or precipitation across Snowdonia National Park.

Conditions Temperatures Precipitation
perfect weather
pleasant
tolerable
unpleasant
poor

Perfect weather is subjective. On this map perfect weather has been defined with temperatures between 20°C (68°F) and 29°C (84°F) and not too much precipitation (less than 90 mm (3.5 in) a month).

Popular Destinations in Snowdonia National Park

What is the weather like in January for some of the most popular destinations in Snowdonia National Park, the United Kingdom?

Temperature range in Snowdonia National Park (January)

Precipitation variation in Snowdonia National Park (January)

Betws-y-coed

In January Betws-y-coed generally has low temperatures with maximum daytime temperatures around 8°C (46°F), minimum nighttime temperatures around 2°C (36°F) and high monthly rainfall. So on average the conditions are poor that month.

« December
January
February »
December
January
February
Max temperature
8°C (46°F)
8°C (46°F)
8°C (46°F)
Min temperature
3°C (37°F)
2°C (36°F)
2°C (36°F)
Monthly sun hours
26 hours
33 hours
57 hours
Monthly rainfall
124 mm (4.9 in)
110 mm (4.3 in)
107 mm (4.2 in)
Monthly rainy days
21 days
22 days
17 days
Weather conditions
poor
poor
poor
Climate in Betws-y-coed →

Dolgellau

In January Dolgellau generally has low temperatures with maximum daytime temperatures around 8°C (46°F), minimum nighttime temperatures around 3°C (37°F) and high monthly rainfall. So on average the conditions are poor that month.

« December
January
February »
December
January
February
Max temperature
8°C (46°F)
8°C (46°F)
8°C (46°F)
Min temperature
3°C (37°F)
3°C (37°F)
3°C (37°F)
Monthly sun hours
26 hours
33 hours
57 hours
Monthly rainfall
151 mm (5.9 in)
134 mm (5.3 in)
124 mm (4.9 in)
Monthly rainy days
21 days
22 days
17 days
Weather conditions
poor
poor
poor
Climate in Dolgellau →

Blaenau-Ffestiniog

In January Blaenau-Ffestiniog generally has low temperatures with maximum daytime temperatures around 8°C (46°F), minimum nighttime temperatures around 2°C (36°F) and high monthly rainfall. So on average the conditions are poor that month.

« December
January
February »
December
January
February
Max temperature
8°C (46°F)
8°C (46°F)
8°C (46°F)
Min temperature
3°C (37°F)
2°C (36°F)
2°C (36°F)
Monthly sun hours
26 hours
33 hours
57 hours
Monthly rainfall
150 mm (5.9 in)
135 mm (5.3 in)
128 mm (5 in)
Monthly rainy days
22 days
22 days
17 days
Weather conditions
poor
poor
poor
Climate in Blaenau-Ffestiniog →

Beddgelert

In January Beddgelert generally has low temperatures with maximum daytime temperatures around 8°C (46°F), minimum nighttime temperatures around 3°C (37°F) and high monthly rainfall. So on average the conditions are poor that month.

« December
January
February »
December
January
February
Max temperature
9°C (48°F)
8°C (46°F)
8°C (46°F)
Min temperature
4°C (39°F)
3°C (37°F)
3°C (37°F)
Monthly sun hours
26 hours
33 hours
57 hours
Monthly rainfall
165 mm (6.5 in)
146 mm (5.7 in)
136 mm (5.4 in)
Monthly rainy days
21 days
22 days
17 days
Weather conditions
poor
poor
poor
Climate in Beddgelert →

Dolwyddelan

In January Dolwyddelan generally has low temperatures with maximum daytime temperatures around 8°C (46°F), minimum nighttime temperatures around 2°C (36°F) and high monthly rainfall. So on average the conditions are poor that month.

« December
January
February »
December
January
February
Max temperature
8°C (46°F)
8°C (46°F)
8°C (46°F)
Min temperature
3°C (37°F)
2°C (36°F)
2°C (36°F)
Monthly sun hours
26 hours
33 hours
57 hours
Monthly rainfall
137 mm (5.4 in)
122 mm (4.8 in)
117 mm (4.6 in)
Monthly rainy days
22 days
22 days
17 days
Weather conditions
poor
poor
poor
Climate in Dolwyddelan →

Is your destination not in the list? Have a look at all destinations in Snowdonia National Park, in the United Kingdom.

In our records: the United Kingdom January extremes

Notable January records observed across cities in the United Kingdom in our climate database (1976 – 2026). Historic readings can vary in quality, so treat these as illustrative.

  • Based on our data, the coldest January night in the United Kingdom dropped to -20°C (-4°F) in Birmingham on January 14, 1982.

Popular cities in January

Day & night temperatures, rainfall and average weather in Snowdonia National Park in January.

City Weather Day temp Night temp Rainfall
Betws-y-coed 8°C (46°F) 2°C (36°F) 110 mm (4.3 in)
Dolgellau 8°C (46°F) 3°C (37°F) 134 mm (5.3 in)
Blaenau-Ffestiniog 8°C (46°F) 2°C (36°F) 135 mm (5.3 in)
Beddgelert 8°C (46°F) 3°C (37°F) 146 mm (5.7 in)
Dolwyddelan 8°C (46°F) 2°C (36°F) 122 mm (4.8 in)
Llanberis 8°C (46°F) 3°C (37°F) 124 mm (4.9 in)

Snowdonia National Park weather in January: frequently asked questions

What is the weather like in Snowdonia National Park, the United Kingdom in January?

Expect poor weather across Snowdonia National Park, the United Kingdom in January. The popular destination of Betws-y-coed averages 8°C (46°F) by day and 2°C (36°F) at night during this winter month.

What is the average temperature in Snowdonia National Park, the United Kingdom in January?

Daytime temperatures in Betws-y-coed peak at roughly 8°C (46°F) in January, dropping to about 2°C (36°F) overnight.

Does Snowdonia National Park, the United Kingdom get a lot of rain in January?

Betws-y-coed typically receives notable rainfall in January, about 110 mm (4.3 in) on average across Snowdonia National Park, the United Kingdom.

Is January a Good Time to Visit Snowdonia National Park, the United Kingdom?

In our opinion, January may not be the ideal time to visit Snowdonia National Park, the United Kingdom due to the typically poor weather in Betws-y-coed.

On average, the best time to visit Snowdonia National Park, the United Kingdom is in June and July with generally pleasant weather in Betws-y-coed. The weather in January, February, March, November and December, on the other hand, tends to be poor.

Interested in more climate information?

We have much more information about the climate in Snowdonia National Park.

Weather and climate has detailed information for every country in the world. Are you going to the United Kingdom? Get detailed 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.

Bucket list

Need travel inspiration? Check out our bucket list articles and be inspired.

Hike the South West Coast Path

The South West Coast Path means breathtaking nature, kind people and delicious food everywhere you go. It is an unforgettable experience and you need to add it to your bucket list.
Welcome to Totnes, the hidden treasure of South Devon

Totnes is a place where historical richness fuses effortlessly with a vibrant alternative culture and breathtaking natural surroundings. The town pulses with an amazing community spirit that you'll feel around every corner.

London's coolest neighborhoods you'll want to visit

Discover the 6 coolest neighborhoods in London for your trip! Explore vibrant Shoreditch, lively Soho, alternative Camden, and many more.
10 cities you should definitely visit in the UK

Discover the top 10 most fun and alternative cities in the UK, rich in art, culture, and adventure. Explore vibrant neighborhoods and unique places.
Must visit in the United Kingdom →