Anglesey Weather in January

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

Considering a trip to Anglesey, the United Kingdom this January and wondering about the expected weather conditions? Find all the crucial information you need right here, addressing your question:

What to Expect in Anglesey in January

Anglesey, the United Kingdom is a region in the United Kingdom. January in Anglesey generally has cold temperatures, with precipitation levels ranging from moderate to high. It's the height of winter.

Temperatures

The average maximum temperatures are cold and range from 7°C (45°F) in Sowerby Bridge to 10°C (50°F) in Holyhead. Nighttime temperatures generally drop to 6°C (43°F) in Holyhead and 2°C (36°F) in Sowerby Bridge.

For a closer look at conditions across Anglesey, the United Kingdom, refer to the map below.

Precipitation

In January, precipitation varies across different areas. From moderate rainfall in Hull with an average of 59 mm (2.3 in) to high rainfall in Brynkir with 158 mm (6.2 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)

Best Places to Visit in Anglesey in January

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

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 January for some of the most popular destinations in Anglesey, the United Kingdom?

Temperature range in Anglesey (January)

Precipitation variation in Anglesey (January)

Holyhead

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

December
January
February
Max temperature
11°C (52°F)
10°C (50°F)
10°C (50°F)
Min temperature
6°C (43°F)
6°C (43°F)
5°C (41°F)
Monthly rainfall
118 mm (4.6 in)
99 mm (3.9 in)
90 mm (3.5 in)
Monthly rainy days
20 days
21 days
16 days
Weather conditions

Beaumaris

In January Beaumaris 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.

December
January
February
Max temperature
9°C (48°F)
9°C (48°F)
9°C (48°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
113 mm (4.4 in)
97 mm (3.8 in)
96 mm (3.8 in)
Monthly rainy days
21 days
21 days
16 days
Weather conditions

Trearddur

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

December
January
February
Max temperature
11°C (52°F)
10°C (50°F)
10°C (50°F)
Min temperature
6°C (43°F)
5°C (41°F)
5°C (41°F)
Monthly rainfall
117 mm (4.6 in)
98 mm (3.9 in)
90 mm (3.5 in)
Monthly rainy days
20 days
21 days
16 days
Weather conditions

Moelfre

In January Moelfre generally has low temperatures with maximum daytime temperatures around 9°C (48°F), minimum nighttime temperatures around 5°C (41°F) and moderate monthly rainfall. So on average the conditions are poor that month.

December
January
February
Max temperature
10°C (50°F)
9°C (48°F)
9°C (48°F)
Min temperature
5°C (41°F)
5°C (41°F)
4°C (39°F)
Monthly sun hours
26 hours
33 hours
57 hours
Monthly rainfall
119 mm (4.7 in)
99 mm (3.9 in)
94 mm (3.7 in)
Monthly rainy days
21 days
21 days
16 days
Weather conditions

Dwyran

In January Dwyran 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.

December
January
February
Max temperature
10°C (50°F)
9°C (48°F)
9°C (48°F)
Min temperature
5°C (41°F)
4°C (39°F)
4°C (39°F)
Monthly sun hours
26 hours
33 hours
57 hours
Monthly rainfall
137 mm (5.4 in)
118 mm (4.6 in)
111 mm (4.4 in)
Monthly rainy days
21 days
21 days
16 days
Weather conditions

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 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 Anglesey in January.

City Weather Day temp Night temp Rainfall
Holyhead 10°C (50°F) 6°C (43°F) 99 mm (3.9 in)
Beaumaris 9°C (48°F) 3°C (37°F) 97 mm (3.8 in)
Trearddur 10°C (50°F) 5°C (41°F) 98 mm (3.9 in)
Moelfre 9°C (48°F) 5°C (41°F) 99 mm (3.9 in)
Dwyran 9°C (48°F) 4°C (39°F) 118 mm (4.6 in)
Rhosneigr 10°C (50°F) 5°C (41°F) 100 mm (3.9 in)

Anglesey weather in January: frequently asked questions

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

In January, Anglesey, the United Kingdom generally has poor weather conditions. Holyhead sees daytime temperatures near 10°C (50°F), with nights cooling to roughly 6°C (43°F).

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

In Holyhead, the average daytime high in January is 10°C (50°F), while nighttime temperatures drop to around 6°C (43°F).

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

January is on the drier side in Anglesey, the United Kingdom. Holyhead averages only about 99 mm (3.9 in), with most days staying dry.

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

In our view, January might not be the best time to travel to Anglesey, the United Kingdom with often poor weather in Holyhead.

Generally speaking, July, August and September provide pleasant weather in Holyhead. On the other hand, the weather in January, February, November and December tend to be poor.

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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