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Swansea weather in December 2020
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- 88°C max day temperature
- 2020 days with some rainfall
- 44°C min night temperature
- 88 hours of daylight per day
- 0No heat & humidity
- 140140 mm of monthly rainfall
- 0No UV (Maximum) Index UV index
- 1010°C sea temperature
The December weather guide for Swansea, 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 Swansea in December?
Daytime temperatures usually reach 8°C in Swansea in December, falling to 4°C at night.
How sunny is it in Swansea in December?
There are normally 2 hours of bright sunshine each day in Swansea in December - that's 19% of daylight hours.
Is the sea cold around Swansea in December?
The average sea temperature around Swansea in December is 10°C.
Does it rain in Swansea in December?
There are usually 20 days with some rain in Swansea in December and the average monthly rainfall is 140mm.
Swansea sunrise & sunset times for December 2020
Browse the sunrise & sunset times for Swansea in December 2020. Select a month to view Swansea sunrise & sunset times for the next twelve months.
|Date||Sunrise times||Sunset times|
|Tuesday, 1st December 2020||08:00||16:09|
|Wednesday, 16th December 2020||08:17||16:07|
|Thursday, 31st December 2020||08:22||16:16|
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Metric (°C / mm) | Imperial (°F / inches)
Where is warm in Wales in December for 2020/2021?
Below are average maximum temperatures at popular destinations in Wales in December. Select a destination to see more weather parameters.
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