Anglesey Weather in December

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

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Holyhead Beaumaris Trearddur Moelfre

Planning a trip to Anglesey, the United Kingdom this December? Here's what you need to know about the weather:

What to Expect in Anglesey in December

Anglesey, the United Kingdom is a region in the United Kingdom. December in Anglesey generally has cold temperatures, with precipitation levels ranging from moderate to heavy.

Temperatures

The average maximum temperatures are cold and range from 7°C (45°F) in Sowerby Bridge to 11°C (52°F) in Holyhead. Nighttime temperatures generally drop to 6°C (43°F) in Holyhead and 2°C (36°F) in Sowerby Bridge.

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

Precipitation

In December, precipitation varies across different areas. From moderate rainfall in Spilsby with an average of 61 mm (2.4 in) to heavy rainfall in Brynkir with 182 mm (7.2 in).

Explore Anglesey by month

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

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 Anglesey →

Best Places to Visit in Anglesey in December

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

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 Anglesey

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

Temperature range in Anglesey (December)

Precipitation variation in Anglesey (December)

Holyhead

In December Holyhead generally has low temperatures with maximum daytime temperatures around 11°C (52°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
13°C (55°F)
11°C (52°F)
10°C (50°F)
Min temperature
8°C (46°F)
6°C (43°F)
6°C (43°F)
Monthly rainfall
128 mm (5 in)
118 mm (4.6 in)
99 mm (3.9 in)
Monthly rainy days
20 days
20 days
21 days
Weather conditions
poor
poor
poor
Climate in Holyhead →

Beaumaris

In December Beaumaris 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)
3°C (37°F)
Monthly sun hours
42 hours
26 hours
33 hours
Monthly rainfall
112 mm (4.4 in)
113 mm (4.4 in)
97 mm (3.8 in)
Monthly rainy days
21 days
21 days
21 days
Weather conditions
poor
poor
poor
Climate in Beaumaris →

Trearddur

In December Trearddur generally has low temperatures with maximum daytime temperatures around 11°C (52°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)
11°C (52°F)
10°C (50°F)
Min temperature
8°C (46°F)
6°C (43°F)
5°C (41°F)
Monthly rainfall
126 mm (5 in)
117 mm (4.6 in)
98 mm (3.9 in)
Monthly rainy days
20 days
20 days
21 days
Weather conditions
poor
poor
poor
Climate in Trearddur →

Moelfre

In December Moelfre 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)
5°C (41°F)
Monthly sun hours
42 hours
26 hours
33 hours
Monthly rainfall
122 mm (4.8 in)
119 mm (4.7 in)
99 mm (3.9 in)
Monthly rainy days
21 days
21 days
21 days
Weather conditions
poor
poor
poor
Climate in Moelfre →

Dwyran

In December Dwyran 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
42 hours
26 hours
33 hours
Monthly rainfall
138 mm (5.4 in)
137 mm (5.4 in)
118 mm (4.6 in)
Monthly rainy days
21 days
21 days
21 days
Weather conditions
poor
poor
poor
Climate in Dwyran →

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

City Weather Day temp Night temp Rainfall
Holyhead 11°C (52°F) 6°C (43°F) 118 mm (4.6 in)
Beaumaris 9°C (48°F) 4°C (39°F) 113 mm (4.4 in)
Trearddur 11°C (52°F) 6°C (43°F) 117 mm (4.6 in)
Moelfre 10°C (50°F) 5°C (41°F) 119 mm (4.7 in)
Dwyran 10°C (50°F) 5°C (41°F) 137 mm (5.4 in)
Rhosneigr 10°C (50°F) 6°C (43°F) 117 mm (4.6 in)

Anglesey weather in December: frequently asked questions

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

Expect poor weather across Anglesey, the United Kingdom in December. The popular destination of Holyhead averages 11°C (52°F) by day and 6°C (43°F) at night during this month.

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

Average temperatures in Anglesey, the United Kingdom during December range from a nighttime low near 6°C (43°F) to a daytime high around 11°C (52°F) in Holyhead.

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

Anglesey, the United Kingdom sees substantial rainfall in December. Holyhead typically averages about 118 mm (4.6 in), a mix of wet and dry days, but bring an umbrella.

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

Given the typically poor weather conditions in Holyhead, December may not be the ideal time to visit Anglesey, the United Kingdom.

On average, the best time to visit Anglesey, the United Kingdom is in July, August and September with generally pleasant weather in Holyhead. 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 Anglesey.

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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