Temperature in Wales in January

Daytime highs, nighttime lows and the warmest cities in Wales, the United Kingdom this January.

Wales, the United Kingdom, a region in the United Kingdom, typically experiences cold weather in January, with maximum daytime temperatures around 9°C (48°F) and nighttime temperatures around 4°C (39°F) in Cardiff. During January, winter is in full swing. On average, it is one of the coldest months of the year.

What is the temperature of the different cities in Wales, the United Kingdom in January?

To get a sense of January's typical temperatures in the key spots of Wales, explore the map below. Click on a point for an in-depth look.

Select a Month

Check the conditions for any month of the year.

Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec

For a detailed overview over the year and the best time to visit Wales, check out our Wales's climate page.

See also: Wales weather by month.

Best Places to Visit in Wales in January

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

Conditions Temperatures Precipitation
Avg daytime high -5°C (23°F) cold → 32°C (90°F) hot

Marker color shows the average daytime high temperature in January: blue is cold, red is hot.

See all January weather averages, cities and regions in Wales

Wales temperatures in January: frequently asked questions

How hot does it get in Wales, the United Kingdom in January?

Cardiff averages a daytime high of 9°C (48°F) in January, which is low for Wales, the United Kingdom.

How cold does it get at night in Wales, the United Kingdom in January?

Average overnight lows in Wales, the United Kingdom during January sit near 4°C (39°F) in Cardiff.

How much sun does Wales, the United Kingdom get in January?

Most cities witness limited sunny days; expect roughly 53 hours of sunlight in Cardiff. This subdued sunlight is perfect for those who prefer cooler, cloudier weather rather than intense sunny days.

What is the water temperature in January?

The water temperature averages approximately 8°C (46°F) in Cardiff this month, generally too cold for comfortable swimming.

Interested in more climate information?

We have much more information about the climate in Wales.

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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