Powys Weather in December

Average temperatures, rainfall, sunshine and the best places to visit in Powys, the United Kingdom in December.

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Abergavenny Llandrindod Wells Builth Wells Rhayader

Considering a trip to Powys, 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 Powys in December

Powys, the United Kingdom is a region in the United Kingdom. December in Powys generally has cold temperatures, with precipitation levels ranging from moderate to high. During December, winter is in full swing.

Temperatures

You can expect cold maximum daytime temperatures of around 9°C (48°F) and nighttime temperatures around 3°C (37°F) in Abergavenny.

To explore the conditions in Powys, the United Kingdom in more detail, check the map below.

Precipitation

In December, precipitation varies across different areas. From moderate rainfall in Presteigne with an average of 80 mm (3.1 in) to high rainfall in Abercraf with 148 mm (5.8 in).

Average sunshine

Sunshine is quite limited in many locations during December. Abergavenny receives roughly 53 hours of sunlight. For destinations with more sunshine, our weather planner offers alternatives worldwide.

Explore Powys by month

Pick a month to see the average temperature, rainfall and sunshine in Powys — and find the best time to visit. (based on Abergavenny)

January8°C (46°F) February9°C (48°F) March11°C (52°F) April13°C (55°F) May17°C (63°F) June19°C (66°F) This monthJuly21°C (70°F) August21°C (70°F) September19°C (66°F) October15°C (59°F) November11°C (52°F) December9°C (48°F)
Best Time to Visit Powys →

Best Places to Visit in Powys in December

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

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 Powys

What is the weather like in December for some of the most popular destinations in Powys, the United Kingdom?

Temperature range in Powys (December)

Precipitation variation in Powys (December)

Abergavenny

In December Abergavenny generally has low temperatures with maximum daytime temperatures around 9°C (48°F), minimum nighttime temperatures around 3°C (37°F) and moderate monthly rainfall. So on average the conditions are poor that month.

« November
December
January »
November
December
January
Max temperature
11°C (52°F)
9°C (48°F)
8°C (46°F)
Min temperature
5°C (41°F)
3°C (37°F)
2°C (36°F)
Monthly sun hours
71 hours
53 hours
59 hours
Monthly rainfall
89 mm (3.5 in)
91 mm (3.6 in)
84 mm (3.3 in)
Monthly rainy days
19 days
19 days
20 days
Weather conditions
unpleasant
poor
poor
Climate in Abergavenny →

Llandrindod Wells

In December Llandrindod Wells 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 rainfall
99 mm (3.9 in)
107 mm (4.2 in)
102 mm (4 in)
Monthly rainy days
20 days
20 days
21 days
Weather conditions
poor
poor
poor
Climate in Llandrindod Wells →

Builth Wells

In December Builth Wells 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 rainfall
104 mm (4.1 in)
112 mm (4.4 in)
106 mm (4.2 in)
Monthly rainy days
20 days
20 days
21 days
Weather conditions
poor
poor
poor
Climate in Builth Wells →

Rhayader

In December Rhayader 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
42 hours
26 hours
33 hours
Monthly rainfall
106 mm (4.2 in)
117 mm (4.6 in)
110 mm (4.3 in)
Monthly rainy days
20 days
21 days
21 days
Weather conditions
poor
poor
poor
Climate in Rhayader →

Llanbister

In December Llanbister 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)
7°C (45°F)
Min temperature
4°C (39°F)
2°C (36°F)
2°C (36°F)
Monthly sun hours
42 hours
26 hours
33 hours
Monthly rainfall
93 mm (3.7 in)
100 mm (3.9 in)
94 mm (3.7 in)
Monthly rainy days
20 days
20 days
21 days
Weather conditions
poor
poor
poor
Climate in Llanbister →

Is your destination not in the list? Have a look at all destinations in Powys, 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 Powys in December.

City Weather Day temp Night temp Rainfall
Abergavenny 9°C (48°F) 3°C (37°F) 91 mm (3.6 in)
Llandrindod Wells 8°C (46°F) 2°C (36°F) 107 mm (4.2 in)
Builth Wells 8°C (46°F) 2°C (36°F) 112 mm (4.4 in)
Rhayader 8°C (46°F) 2°C (36°F) 117 mm (4.6 in)
Llanbister 8°C (46°F) 2°C (36°F) 100 mm (3.9 in)
Llanwrtyd Wells 8°C (46°F) 2°C (36°F) 131 mm (5.2 in)

Powys weather in December: frequently asked questions

What is the weather like in Powys, the United Kingdom in December?

December in Powys, the United Kingdom brings poor weather. In Abergavenny, daytime temperatures are typically around 9°C (48°F) and nighttime lows hover near 3°C (37°F).

What is the average temperature in Powys, the United Kingdom in December?

Abergavenny averages a daytime maximum of 9°C (48°F) in December, with overnight lows close to 3°C (37°F).

Does Powys, the United Kingdom get a lot of rain in December?

Rain is generally moderate to light in Powys, the United Kingdom during December, with Abergavenny averaging close to 91 mm (3.6 in).

Is December a Good Time to Visit Powys, the United Kingdom?

In our view, December might not be the best time to travel to Powys, the United Kingdom with often poor weather in Abergavenny.

Generally speaking, July and August provide perfect weather in Abergavenny. The weather in January, February and December, on the other hand, tends to be poor.

Interested in more climate information?

We have much more information about the climate in Powys.

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.

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