Dyfed Weather in December

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

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Tenby Aberystwyth Cardigan Pembroke

Considering a trip to Dyfed, 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 Dyfed in December

Dyfed, the United Kingdom is a region in the United Kingdom. December in Dyfed generally has cold temperatures, with high precipitation.

Temperatures

The average maximum temperatures are cold and range from 8°C (46°F) in Cynghordy to 11°C (52°F) in St. Davids. Nighttime temperatures generally drop to 7°C (45°F) in St. Davids and 2°C (36°F) in Cynghordy.

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

Precipitation

In December, precipitation varies across different areas. From high rainfall in Johnston with an average of 117 mm (4.6 in) to high rainfall in Burry Port with 155 mm (6.1 in).

Explore Dyfed by month

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

January10°C (50°F) February10°C (50°F) March11°C (52°F) April12°C (54°F) May15°C (59°F) June17°C (63°F) This monthJuly19°C (66°F) August19°C (66°F) September18°C (64°F) October15°C (59°F) November13°C (55°F) December11°C (52°F)
Best Time to Visit Dyfed →

Best Places to Visit in Dyfed in December

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

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 Dyfed

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

Temperature range in Dyfed (December)

Precipitation variation in Dyfed (December)

Tenby

In December Tenby generally has low temperatures with maximum daytime temperatures around 11°C (52°F), minimum nighttime temperatures around 7°C (45°F) and high monthly rainfall. So on average the conditions are poor that month.

« November
December
January »
November
December
January
Max temperature
13°C (55°F)
11°C (52°F)
10°C (50°F)
Min temperature
9°C (48°F)
7°C (45°F)
6°C (43°F)
Monthly rainfall
144 mm (5.7 in)
132 mm (5.2 in)
120 mm (4.7 in)
Monthly rainy days
19 days
20 days
20 days
Weather conditions
poor
poor
poor
Climate in Tenby →

Aberystwyth

In December Aberystwyth generally has low temperatures with maximum daytime temperatures around 9°C (48°F), minimum nighttime temperatures around 4°C (39°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)
9°C (48°F)
9°C (48°F)
Min temperature
6°C (43°F)
4°C (39°F)
4°C (39°F)
Monthly sun hours
42 hours
26 hours
33 hours
Monthly rainfall
142 mm (5.6 in)
150 mm (5.9 in)
133 mm (5.2 in)
Monthly rainy days
20 days
20 days
21 days
Weather conditions
poor
poor
poor
Climate in Aberystwyth →

Cardigan

In December Cardigan generally has low temperatures with maximum daytime temperatures around 10°C (50°F), minimum nighttime temperatures around 6°C (43°F) and high monthly rainfall. So on average the conditions are poor that month.

« November
December
January »
November
December
January
Max temperature
12°C (54°F)
10°C (50°F)
10°C (50°F)
Min temperature
8°C (46°F)
6°C (43°F)
5°C (41°F)
Monthly rainfall
140 mm (5.5 in)
136 mm (5.4 in)
119 mm (4.7 in)
Monthly rainy days
19 days
19 days
19 days
Weather conditions
poor
poor
poor
Climate in Cardigan →

Pembroke

In December Pembroke generally has low temperatures with maximum daytime temperatures around 11°C (52°F), minimum nighttime temperatures around 7°C (45°F) and high monthly rainfall. So on average the conditions are poor that month.

« November
December
January »
November
December
January
Max temperature
13°C (55°F)
11°C (52°F)
10°C (50°F)
Min temperature
9°C (48°F)
7°C (45°F)
6°C (43°F)
Monthly rainfall
138 mm (5.4 in)
126 mm (5 in)
116 mm (4.6 in)
Monthly rainy days
19 days
19 days
20 days
Weather conditions
poor
poor
poor
Climate in Pembroke →

Llanelli

In December Llanelli generally has low temperatures with maximum daytime temperatures around 10°C (50°F), minimum nighttime temperatures around 5°C (41°F) and high monthly rainfall. So on average the conditions are poor that month.

« November
December
January »
November
December
January
Max temperature
12°C (54°F)
10°C (50°F)
9°C (48°F)
Min temperature
7°C (45°F)
5°C (41°F)
4°C (39°F)
Monthly sun hours
66 hours
49 hours
53 hours
Monthly rainfall
150 mm (5.9 in)
151 mm (5.9 in)
137 mm (5.4 in)
Monthly rainy days
20 days
20 days
20 days
Weather conditions
poor
poor
poor
Climate in Llanelli →

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

City Weather Day temp Night temp Rainfall
Tenby 11°C (52°F) 7°C (45°F) 132 mm (5.2 in)
Aberystwyth 9°C (48°F) 4°C (39°F) 150 mm (5.9 in)
Cardigan 10°C (50°F) 6°C (43°F) 136 mm (5.4 in)
Pembroke 11°C (52°F) 7°C (45°F) 126 mm (5 in)
Llanelli 10°C (50°F) 5°C (41°F) 151 mm (5.9 in)
Aberporth 10°C (50°F) 5°C (41°F) 135 mm (5.3 in)

Dyfed weather in December: frequently asked questions

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

In December, Dyfed, the United Kingdom generally has poor weather conditions. Tenby sees daytime temperatures near 11°C (52°F), with nights cooling to roughly 7°C (45°F).

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

Daytime temperatures in Tenby peak at roughly 11°C (52°F) in December, dropping to about 7°C (45°F) overnight.

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

Tenby typically receives notable rainfall in December, about 132 mm (5.2 in) on average across Dyfed, the United Kingdom.

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

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

Generally speaking, the best visiting conditions can be found in July and September offering mostly pleasant weather in Tenby. On the other hand, the months of January, February, November and December tend to have poor weather conditions.

Interested in more climate information?

We have much more information about the climate in Dyfed.

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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