Swansea weather in December 2020

Get the latest coronavirus (COVID-19) updates for the UK with current travel advice, statistics and online resources.

  • 8°C maximum daytime temperature in December in Swansea8
    8°C max day temperature
  • 2 hours of sunshine per day
  • 20 days with some rainfall in December in Swansea20
    20 days with some rainfall
  • 4°C minimum night-time temperature in December in Swansea4
    4°C min night temperature
  • 8 hours of daylight per day in December in Swansea8
    8 hours of daylight per day
  • No heat & humidity in December in Swansea0
    No heat & humidity
  • 140 mm monthly rainfall in December in Swansea140
    140 mm of monthly rainfall
  • No UV (maximum) index in December in Swansea0
    No UV (Maximum) Index UV index
  • 10°C sea temperature in December in Swansea10
    10°C sea temperature
  • Top deals & discounts
  • Swansea weather overview
  • Swansea climate averages by month
  • More destinations
  • Best time to go to Swansea
  • Swansea 5-day weather forecast

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

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.

  • Book last minute holiday cottage deals to Wales
  • Search for holiday deals for couples & families
  • Plus find dog-friendly properties & more

Swansea holiday rentals

Find holiday rentals in Swansea City, Wales including holiday homes, self-catering accommodation, B&Bs, shared space, home swaps and short-term lets.

  • Airbnb
  • HomeAway

Swansea camping & hostels

Looking for camping holidays in Swansea City, Wales? Browse hostels and campsites for camping, glamping, yurts, cabins, tree houses, youth hostels and caravan parks.

  • Campsited
  • Hostel World
  • YHA

Show all products

Back to search

UK & Ireland holidays

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.

JanFebMarAprMayJunJulAugSepOctNovDec

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
  • Browse late availablity on holidays to Bluestone
  • Plus check out current online special offers
  • Book with Lowest Price Guarantee

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

Back to top

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.

More destinations & map >>

Popular travel offers

Top ^

*affiliate links: find out how we are funded and why this helps us remain free to use.