Weather in December in Wales
Planning a trip to Wales this December? Here's what you need to know about the weather:
What is the weather like in Wales in December?
Wales is a region in the United Kingdom. December in Wales generally has cold temperatures, with high precipitation. December falls during the winter season.
Temperatures
You can expect cold maximum daytime temperatures of around 10°C and nighttime temperatures around 5°C in Cardiff. To learn more about the conditions in specific areas of Wales in December, check out the map below.For a closer look at conditions across Wales, refer to the map below.
Precipitation
In December, precipitation varies across different areas. From high rainfall in Cardiff with an average of 119 mm to high rainfall in Swansea with 146 mm. Based on climate data from the last 30 years, Cardiff receives the most rainfall during this month of the year.Average sunshine
Cardiff experiences limited sunny days, amounting to roughly 49 hours of sunshine. This makes it perfect for those who prefer dimmer, cloudier settings rather than intense sunlit daysFor more details on the yearly climate, visit our Wales climate page.
Where to go in Wales in December
perfect weather
pleasant
tolerable
unpleasant
poor
Select a Month of Interest
Check the conditions for any month of the year.
For a detailed overview over the year and the best time to visit the United Kingdom, check out our Wales's climate page.
Popular destinations
What is the weather like in December for the 2 most popular destinations in Wales?
Cardiff
In December Cardiff generally has low temperatures with maximum daytime temperatures around 10°C, minimum nighttime temperatures around 5°C and high monthly rainfall. So on average the conditions are poor that month.
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Swansea
In December Swansea generally has low temperatures with maximum daytime temperatures around 10°C, minimum nighttime temperatures around 5°C and high monthly rainfall. So on average the conditions are poor that month.
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Is your destination not in the list? Have a look at other destinations in Wales, in the United Kingdom.
Is December the best time to visit Wales?
Given the typically poor weather conditions in Cardiff, December may not be the ideal time to visit Wales.
On average, the best time to visit Wales is in July and August with generally perfect weather in Cardiff. In contrast, 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 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.