Brecon Beacons National Park - Bannau Brycheiniog Weather in December

Average temperatures, rainfall, sunshine and the best places to visit in the Brecon Beacons National Park - Bannau Brycheiniog, the United Kingdom in December.

🔎
Hay-on-Wye Brecon Crickhowell Llandovery

Considering a trip to the Brecon Beacons National Park - Bannau Brycheiniog, the United Kingdom this December and wondering about the expected weather conditions? Find all the crucial information you need right here, addressing your question:

What to Expect in the Brecon Beacons National Park - Bannau Brycheiniog in December

The Brecon Beacons National Park - Bannau Brycheiniog, the United Kingdom is a region in the United Kingdom. December in the Brecon Beacons National Park - Bannau Brycheiniog generally has cold temperatures, with precipitation levels ranging from moderate to high. It's the height of winter.

Temperatures

You can expect cold maximum daytime temperatures of around 8°C (46°F) and nighttime temperatures around 2°C (36°F) in Hay-on-Wye.

For specific regional insights in the Brecon Beacons National Park - Bannau Brycheiniog, the United Kingdom, refer to the map provided below.

Precipitation

In December, precipitation varies across different areas. From moderate rainfall in Hay-on-Wye with an average of 92 mm (3.6 in) to high rainfall in Llandovery with 144 mm (5.7 in).

Average sunshine

Many places experience limited sunshine during this period. Hay-on-Wye receives around 49 hours of sunlight. If you prefer more sunny conditions, our weather planner can help you explore other destinations.

Explore the Brecon Beacons National Park - Bannau Brycheiniog by month

Pick a month to see the average temperature, rainfall and sunshine in the Brecon Beacons National Park - Bannau Brycheiniog — and find the best time to visit. (based on Hay-on-Wye)

January8°C (46°F) February8°C (46°F) March10°C (50°F) April13°C (55°F) May16°C (61°F) June18°C (64°F) This monthJuly20°C (68°F) August20°C (68°F) September18°C (64°F) October14°C (57°F) November10°C (50°F) December8°C (46°F)
Best Time to Visit the Brecon Beacons National Park - Bannau Brycheiniog →

Best Places to Visit in the Brecon Beacons National Park - Bannau Brycheiniog in December

Click on a destination dot for more details. Toggle the map to compare temperatures or precipitation across the Brecon Beacons National Park - Bannau Brycheiniog.

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 the Brecon Beacons National Park - Bannau Brycheiniog

What is the weather like in December for some of the most popular destinations in the Brecon Beacons National Park - Bannau Brycheiniog, the United Kingdom?

Temperature range in the Brecon Beacons National Park - Bannau Brycheiniog (December)

Precipitation variation in the Brecon Beacons National Park - Bannau Brycheiniog (December)

Hay-on-Wye

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

« November
December
January »
November
December
January
Max temperature
10°C (50°F)
8°C (46°F)
8°C (46°F)
Min temperature
4°C (39°F)
2°C (36°F)
2°C (36°F)
Monthly sun hours
66 hours
49 hours
54 hours
Monthly rainfall
89 mm (3.5 in)
92 mm (3.6 in)
87 mm (3.4 in)
Monthly rainy days
19 days
19 days
20 days
Weather conditions
poor
poor
poor
Climate in Hay-on-Wye →

Brecon

In December Brecon 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.

« November
December
January »
November
December
January
Max temperature
10°C (50°F)
8°C (46°F)
7°C (45°F)
Min temperature
4°C (39°F)
2°C (36°F)
2°C (36°F)
Monthly sun hours
66 hours
49 hours
53 hours
Monthly rainfall
110 mm (4.3 in)
118 mm (4.6 in)
111 mm (4.4 in)
Monthly rainy days
20 days
20 days
21 days
Weather conditions
poor
poor
poor
Climate in Brecon →

Crickhowell

In December Crickhowell 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.

« November
December
January »
November
December
January
Max temperature
11°C (52°F)
8°C (46°F)
8°C (46°F)
Min temperature
4°C (39°F)
2°C (36°F)
2°C (36°F)
Monthly sun hours
66 hours
49 hours
53 hours
Monthly rainfall
97 mm (3.8 in)
101 mm (4 in)
94 mm (3.7 in)
Monthly rainy days
19 days
20 days
20 days
Weather conditions
unpleasant
poor
poor
Climate in Crickhowell →

Llandovery

In December Llandovery 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.

« November
December
January »
November
December
January
Max temperature
10°C (50°F)
8°C (46°F)
8°C (46°F)
Min temperature
4°C (39°F)
2°C (36°F)
2°C (36°F)
Monthly sun hours
66 hours
49 hours
53 hours
Monthly rainfall
131 mm (5.2 in)
144 mm (5.7 in)
137 mm (5.4 in)
Monthly rainy days
20 days
21 days
21 days
Weather conditions
poor
poor
poor
Climate in Llandovery →

Talgarth

In December Talgarth 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.

« November
December
January »
November
December
January
Max temperature
10°C (50°F)
8°C (46°F)
7°C (45°F)
Min temperature
4°C (39°F)
2°C (36°F)
2°C (36°F)
Monthly sun hours
66 hours
49 hours
53 hours
Monthly rainfall
98 mm (3.9 in)
103 mm (4.1 in)
97 mm (3.8 in)
Monthly rainy days
19 days
20 days
20 days
Weather conditions
poor
poor
poor
Climate in Talgarth →

Is your destination not in the list? Have a look at all destinations in the Brecon Beacons National Park - Bannau Brycheiniog, in the United Kingdom.

In our records: the United Kingdom December extremes

Notable December 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.

  • In our records, the coldest December daytime high in the United Kingdom was -10°C (14°F) in Glasgow on December 29, 1995.
  • From our sources, the wettest December day in the United Kingdom brought 301 mm (12 in) in Belfast on December 4, 1982.

Popular cities in December

Day & night temperatures, rainfall and average weather in the Brecon Beacons National Park - Bannau Brycheiniog in December.

City Weather Day temp Night temp Rainfall
Hay-on-Wye 8°C (46°F) 2°C (36°F) 92 mm (3.6 in)
Brecon 8°C (46°F) 2°C (36°F) 118 mm (4.6 in)
Crickhowell 8°C (46°F) 2°C (36°F) 101 mm (4 in)
Llandovery 8°C (46°F) 2°C (36°F) 144 mm (5.7 in)
Talgarth 8°C (46°F) 2°C (36°F) 103 mm (4.1 in)
Sennybridge 8°C (46°F) 2°C (36°F) 132 mm (5.2 in)

The Brecon Beacons National Park - Bannau Brycheiniog weather in December: frequently asked questions

What is the weather like in the Brecon Beacons National Park - Bannau Brycheiniog, the United Kingdom in December?

December in the Brecon Beacons National Park - Bannau Brycheiniog, the United Kingdom brings poor weather. In Hay-on-Wye, daytime temperatures are typically around 8°C (46°F) and nighttime lows hover near 2°C (36°F).

What is the average temperature in the Brecon Beacons National Park - Bannau Brycheiniog, the United Kingdom in December?

Average temperatures in the Brecon Beacons National Park - Bannau Brycheiniog, the United Kingdom during December range from a nighttime low near 2°C (36°F) to a daytime high around 8°C (46°F) in Hay-on-Wye.

Does the Brecon Beacons National Park - Bannau Brycheiniog, the United Kingdom get a lot of rain in December?

Not particularly. Hay-on-Wye averages just 92 mm (3.6 in) of rain in December, making it a mostly dry month for the Brecon Beacons National Park - Bannau Brycheiniog, the United Kingdom.

Is December a Good Time to Visit the Brecon Beacons National Park - Bannau Brycheiniog, the United Kingdom?

In our view, December might not be the best time to travel to the Brecon Beacons National Park - Bannau Brycheiniog, the United Kingdom with often poor weather in Hay-on-Wye.

Generally speaking, July and August provide perfect weather in Hay-on-Wye. On the other hand, the weather in January, February, March, November and December tend to be poor.

Interested in more climate information?

We have much more information about the climate in the Brecon Beacons National Park - Bannau Brycheiniog.

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 →