Wales weather in December 2021

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Below are average maximum temperatures at popular destinations in Wales in December. Select a destination to see more weather parameters.

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The December weather guide for Wales shows long term weather averages processed from data supplied by CRU (University of East Anglia), the Met Office & the Netherlands Meteorological Institute. Find out more about our data sources.

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How warm is it in Wales in December?

Daytime temperatures usually reach 8°C in Cardiff, Wales in December, falling to 3°C at night.

How sunny is it in Wales in December?

There are normally 2 hours of bright sunshine each day in Cardiff, Wales in December - that's 19% of daylight hours.

Is the sea cold around Wales in December?

The average sea temperature around Cardiff, Wales in December is 9°C.

Does it rain in Wales in December?

There are usually 19 days with some rain in Cardiff, Wales in December and the average monthly rainfall is 109mm.

Metric (°C / mm)  |  Imperial (°F / inches)

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Wales sunrise & sunset times for December 2021

Browse the sunrise and sunset times for Wales in December 2021. Select a month to view Wales sunrise & sunset times for the next 12 months. The Wales sunrise and sunset times shown below are for Cardiff.


Date Sunrise times Sunset times
Wednesday, 1st December 2021 07:56 16:07
Thursday, 16th December 2021 08:13 16:04
Friday, 31st December 2021 08:18 16:14
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