Swimming in Wales in november 2025 Sea temperature by city in november
Do you want to go to the beach in Wales in november 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 november in Wales by city and our opinion on the chances of enjoying pleasant sea conditions.
Sea temperature in Wales in november 2025
Here, find the average sea temperature in Wales in november in several coastal cities.
57°F
min: 55°F / max: 59°F
Conwy
55°F
min: 53°F / max: 58°F
Holyhead
56°F
min: 54°F / max: 58°F
57°F
min: 55°F / max: 59°F
Snowdonia National Park
55°F
min: 53°F / max: 58°F
57°F
min: 54°F / max: 59°F
Aberystwyth
56°F
min: 54°F / max: 59°F
Amlwch
55°F
min: 53°F / max: 58°F
56°F
min: 54°F / max: 58°F
Barry
57°F
min: 55°F / max: 60°F
Buckley
55°F
min: 52°F / max: 58°F
Fishguard
56°F
min: 55°F / max: 59°F
55°F
min: 53°F / max: 58°F
Llanelli
57°F
min: 55°F / max: 59°F
Porthcawl
57°F
min: 55°F / max: 59°F
Where should you go swimming in Wales in the month of november?
Swimming in Wales in november is freezing
In november 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 november! The water temperature is freezing, reaching as low as 55°F (and only 59°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 november: the map of sea temperatures
ideal swimming 
pleasant swimming 
cool swimming 
cold swimming 
freezing swimmingWater temperature and seasonal norms in november
Cardiff
| November | |||
| Average sea temperature | 57°F | ||
| Minimum sea temperature | 55°F | ||
| Maximum sea temperature | 59°F | ||
| Average outside temperature | 50°F | ||
| Maximum outside temperature | 52°F | ||
| Minimum outside temperature | 47°F | ||
| Precipitation | 3in | ||
| Number of days of precipitation | 5 jour(s) (18%) | ||
| Cloud cover | 59% | ||
| Our opinion | freezing swimming |
More information on swimming in Cardiff in november
Conwy
| November | |||
| Average sea temperature | 55°F | ||
| Minimum sea temperature | 53°F | ||
| Maximum sea temperature | 58°F | ||
| Average outside temperature | 49°F | ||
| Maximum outside temperature | 52°F | ||
| Minimum outside temperature | 47°F | ||
| Precipitation | 6.2in | ||
| Number of days of precipitation | 12 jour(s) (41%) | ||
| Cloud cover | 64% | ||
| Our opinion | freezing swimming |
Holyhead
| November | |||
| Average sea temperature | 56°F | ||
| Minimum sea temperature | 54°F | ||
| Maximum sea temperature | 58°F | ||
| Average outside temperature | 52°F | ||
| Maximum outside temperature | 54°F | ||
| Minimum outside temperature | 50°F | ||
| Precipitation | 7.8in | ||
| Number of days of precipitation | 13 jour(s) (45%) | ||
| Cloud cover | 62% | ||
| Our opinion | freezing swimming |
Pembrokeshire
| November | |||
| Average sea temperature | 57°F | ||
| Minimum sea temperature | 55°F | ||
| Maximum sea temperature | 59°F | ||
| Average outside temperature | 52°F | ||
| Maximum outside temperature | 54°F | ||
| Minimum outside temperature | 50°F | ||
| Precipitation | 8in | ||
| Number of days of precipitation | 13 jour(s) (44%) | ||
| Cloud cover | 63% | ||
| Our opinion | freezing swimming |
More information on swimming in Pembrokeshire in november
Snowdonia National Park
| November | |||
| Average sea temperature | 55°F | ||
| Minimum sea temperature | 53°F | ||
| Maximum sea temperature | 58°F | ||
| Average outside temperature | 43°F | ||
| Maximum outside temperature | 45°F | ||
| Minimum outside temperature | 41°F | ||
| Precipitation | 6.9in | ||
| Number of days of precipitation | 11 jour(s) (37%) | ||
| Cloud cover | 70% | ||
| Our opinion | freezing swimming |
List of coastal cities in Wales
| Cardiff in november | freezing swimming |
| Conwy in november | freezing swimming |
| Holyhead in november | freezing swimming |
| Pembrokeshire in november | freezing swimming |
| Snowdonia National Park in november | freezing swimming |
| Swansea in november | freezing swimming |
| Aberystwyth in november | freezing swimming |
| Amlwch in november | freezing swimming |
| Barmouth in november | freezing swimming |
| Barry in november | freezing swimming |
| Buckley in november | freezing swimming |
| Fishguard in november | freezing swimming |
| Llandudno in november | freezing swimming |
| Llanelli in november | freezing swimming |
| Porthcawl in november | freezing swimming |