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Temperatures in December
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Wales temperatures in December

Wales is a region in the United Kingdom. December is generally a cold month with maximum daytime temperatures around 10°C and nighttime temperatures around 5°C in Cardiff. December falls during the winter season.

What is the temperature of the different cities in Wales in December?

Explore the map below to discover average December temperatures at the top destinations in Wales. For a deeper dive, simply click on any destination dot.

Weather conditions Weather
Temperatures
Precipitation
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Legend very warm warm pleasant moderate cold very cold
Very warm means maximum temperatures above 30°C. Warm: 22°C to 30°C. Pleasant: 18°C to 22°C Moderate: 12°C to 18°C. Cold: 2°C to 12°C. Very cold: lower than 2°C

  • How much sun does Wales get in December?
    • Cardiff experiences limited sunny days, amounting to roughly 49 hours of sunshine. This makes it perfect for those who lean towards cooler, cloudier settings rather than intense sunlit days

  • What is the water's temperature in December?
    • The water temperature averages approximately 10°C in Cardiff this month, so not the best month to swim.

    Interested in more climate information?

    We have much more information about the climate in Wales. Interested in the weather conditions in a specific month? Select the month below.

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