Swimming in Wales in december 2024 Sea temperature by city in december
Do you want to go to the beach in Wales in december 2024? Is it the right month to go for pleasant temperatures and staying in the water for a long time? The answer is on this page with the sea temperatures in december in Wales by city and our opinion on the chances of enjoying pleasant sea conditions.
Sea temperature in Wales in december 2024
Here, find the average sea temperature in Wales in december in several coastal cities.
53°F
min: 51°F / max: 56°F
Conwy
50°F
min: 47°F / max: 54°F
Holyhead
52°F
min: 49°F / max: 55°F
52°F
min: 50°F / max: 56°F
Snowdonia National Park
51°F
min: 48°F / max: 54°F
53°F
min: 50°F / max: 55°F
Aberystwyth
52°F
min: 49°F / max: 55°F
Amlwch
51°F
min: 48°F / max: 55°F
52°F
min: 49°F / max: 55°F
Barry
53°F
min: 50°F / max: 56°F
Buckley
50°F
min: 46°F / max: 53°F
Fishguard
52°F
min: 50°F / max: 56°F
50°F
min: 47°F / max: 54°F
Llanelli
52°F
min: 50°F / max: 56°F
Porthcawl
53°F
min: 50°F / max: 56°F
Where should you go swimming in Wales in the month of december?
Swimming in Wales in december is freezing
In december in Wales swimming conditions are generally the same everywhere.
Forget about swimming in Cardiff, Conwy, Holyhead, Pembrokeshire, Snowdonia National Park, Swansea, Aberystwyth, Amlwch, Barmouth, Barry, Buckley, Fishguard, Llandudno, Llanelli and Porthcawl in december! The water temperature is freezing, reaching as low as 51°F (and only 56°F at the best of times). Our advice: plan on sightseeing, and don't bring your beach towel!
Where to go swimming in Wales in december: the map of sea temperatures
ideal swimming 
pleasant swimming 
cool swimming 
cold swimming 
freezing swimmingWater temperature and seasonal norms in december
Cardiff
| December | |||
| Average sea temperature | 53°F | ||
| Minimum sea temperature | 51°F | ||
| Maximum sea temperature | 56°F | ||
| Average outside temperature | 47°F | ||
| Maximum outside temperature | 49°F | ||
| Minimum outside temperature | 45°F | ||
| Precipitation | 3in | ||
| Number of days of precipitation | 6 jour(s) (18%) | ||
| Cloud cover | 59% | ||
| Our opinion | freezing swimming |
More information on swimming in Cardiff in december
Conwy
| December | |||
| Average sea temperature | 50°F | ||
| Minimum sea temperature | 47°F | ||
| Maximum sea temperature | 54°F | ||
| Average outside temperature | 47°F | ||
| Maximum outside temperature | 49°F | ||
| Minimum outside temperature | 43°F | ||
| Precipitation | 6.1in | ||
| Number of days of precipitation | 11 jour(s) (35%) | ||
| Cloud cover | 65% | ||
| Our opinion | freezing swimming |
Holyhead
| December | |||
| Average sea temperature | 52°F | ||
| Minimum sea temperature | 49°F | ||
| Maximum sea temperature | 55°F | ||
| Average outside temperature | 49°F | ||
| Maximum outside temperature | 50°F | ||
| Minimum outside temperature | 47°F | ||
| Precipitation | 7.6in | ||
| Number of days of precipitation | 12 jour(s) (39%) | ||
| Cloud cover | 65% | ||
| Our opinion | freezing swimming |
Pembrokeshire
| December | |||
| Average sea temperature | 52°F | ||
| Minimum sea temperature | 50°F | ||
| Maximum sea temperature | 56°F | ||
| Average outside temperature | 50°F | ||
| Maximum outside temperature | 52°F | ||
| Minimum outside temperature | 49°F | ||
| Precipitation | 7.5in | ||
| Number of days of precipitation | 14 jour(s) (44%) | ||
| Cloud cover | 63% | ||
| Our opinion | freezing swimming |
More information on swimming in Pembrokeshire in december
Snowdonia National Park
| December | |||
| Average sea temperature | 51°F | ||
| Minimum sea temperature | 48°F | ||
| Maximum sea temperature | 54°F | ||
| Average outside temperature | 40°F | ||
| Maximum outside temperature | 43°F | ||
| Minimum outside temperature | 38°F | ||
| Precipitation | 7in | ||
| Number of days of precipitation | 10 jour(s) (33%) | ||
| Cloud cover | 73% | ||
| Our opinion | freezing swimming |
List of coastal cities in Wales
| Cardiff in december | freezing swimming |
| Conwy in december | freezing swimming |
| Holyhead in december | freezing swimming |
| Pembrokeshire in december | freezing swimming |
| Snowdonia National Park in december | freezing swimming |
| Swansea in december | freezing swimming |
| Aberystwyth in december | freezing swimming |
| Amlwch in december | freezing swimming |
| Barmouth in december | freezing swimming |
| Barry in december | freezing swimming |
| Buckley in december | freezing swimming |
| Fishguard in december | freezing swimming |
| Llandudno in december | freezing swimming |
| Llanelli in december | freezing swimming |
| Porthcawl in december | freezing swimming |