Swimming in Wales in january 2025 Sea temperature by city in january
Do you want to go to the beach in Wales in january 2025? 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 january in Wales by city and our opinion on the chances of enjoying pleasant sea conditions.
Sea temperature in Wales in january 2025
Here, find the average sea temperature in Wales in january in several coastal cities.
49°F
min: 46°F / max: 52°F
Conwy
47°F
min: 43°F / max: 49°F
Holyhead
48°F
min: 46°F / max: 51°F
49°F
min: 46°F / max: 51°F
Snowdonia National Park
48°F
min: 45°F / max: 50°F
49°F
min: 46°F / max: 51°F
Aberystwyth
48°F
min: 46°F / max: 51°F
Amlwch
48°F
min: 45°F / max: 50°F
48°F
min: 46°F / max: 51°F
Barry
49°F
min: 46°F / max: 52°F
Buckley
46°F
min: 43°F / max: 49°F
Fishguard
49°F
min: 46°F / max: 51°F
47°F
min: 44°F / max: 49°F
Llanelli
48°F
min: 45°F / max: 51°F
Porthcawl
48°F
min: 45°F / max: 52°F
Where should you go swimming in Wales in the month of january?
Swimming in Wales in january is freezing
In january 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 january! The water temperature is freezing, reaching as low as 46°F (and only 52°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 january: the map of sea temperatures
ideal swimming 
pleasant swimming 
cool swimming 
cold swimming 
freezing swimmingWater temperature and seasonal norms in january
Cardiff
| January | |||
| Average sea temperature | 49°F | ||
| Minimum sea temperature | 46°F | ||
| Maximum sea temperature | 52°F | ||
| Average outside temperature | 45°F | ||
| Maximum outside temperature | 47°F | ||
| Minimum outside temperature | 41°F | ||
| Precipitation | 2.6in | ||
| Number of days of precipitation | 4 jour(s) (14%) | ||
| Cloud cover | 58% | ||
| Our opinion | freezing swimming |
More information on swimming in Cardiff in january
Conwy
| January | |||
| Average sea temperature | 47°F | ||
| Minimum sea temperature | 43°F | ||
| Maximum sea temperature | 49°F | ||
| Average outside temperature | 43°F | ||
| Maximum outside temperature | 47°F | ||
| Minimum outside temperature | 41°F | ||
| Precipitation | 5.5in | ||
| Number of days of precipitation | 10 jour(s) (32%) | ||
| Cloud cover | 64% | ||
| Our opinion | freezing swimming |
Holyhead
| January | |||
| Average sea temperature | 48°F | ||
| Minimum sea temperature | 46°F | ||
| Maximum sea temperature | 51°F | ||
| Average outside temperature | 47°F | ||
| Maximum outside temperature | 49°F | ||
| Minimum outside temperature | 45°F | ||
| Precipitation | 6.2in | ||
| Number of days of precipitation | 11 jour(s) (36%) | ||
| Cloud cover | 63% | ||
| Our opinion | freezing swimming |
Pembrokeshire
| January | |||
| Average sea temperature | 49°F | ||
| Minimum sea temperature | 46°F | ||
| Maximum sea temperature | 51°F | ||
| Average outside temperature | 47°F | ||
| Maximum outside temperature | 49°F | ||
| Minimum outside temperature | 45°F | ||
| Precipitation | 6.9in | ||
| Number of days of precipitation | 11 jour(s) (36%) | ||
| Cloud cover | 62% | ||
| Our opinion | freezing swimming |
More information on swimming in Pembrokeshire in january
Snowdonia National Park
| January | |||
| Average sea temperature | 48°F | ||
| Minimum sea temperature | 45°F | ||
| Maximum sea temperature | 50°F | ||
| Average outside temperature | 38°F | ||
| Maximum outside temperature | 40°F | ||
| Minimum outside temperature | 34°F | ||
| Precipitation | 6.3in | ||
| Number of days of precipitation | 10 jour(s) (33%) | ||
| Cloud cover | 70% | ||
| Our opinion | freezing swimming |
List of coastal cities in Wales
| Cardiff in january | freezing swimming |
| Conwy in january | freezing swimming |
| Holyhead in january | freezing swimming |
| Pembrokeshire in january | freezing swimming |
| Snowdonia National Park in january | freezing swimming |
| Swansea in january | freezing swimming |
| Aberystwyth in january | freezing swimming |
| Amlwch in january | freezing swimming |
| Barmouth in january | freezing swimming |
| Barry in january | freezing swimming |
| Buckley in january | freezing swimming |
| Fishguard in january | freezing swimming |
| Llandudno in january | freezing swimming |
| Llanelli in january | freezing swimming |
| Porthcawl in january | freezing swimming |