Swimming in Wales in april 2025 Sea temperature by city in april
Do you want to go to the beach in Wales in april 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 april in Wales by city and our opinion on the chances of enjoying pleasant sea conditions.
Sea temperature in Wales in april 2025
Here, find the average sea temperature in Wales in april in several coastal cities.
50°F
min: 48°F / max: 53°F
Conwy
49°F
min: 45°F / max: 51°F
Holyhead
49°F
min: 47°F / max: 50°F
50°F
min: 47°F / max: 52°F
Snowdonia National Park
48°F
min: 46°F / max: 51°F
50°F
min: 47°F / max: 52°F
Aberystwyth
50°F
min: 48°F / max: 52°F
Amlwch
49°F
min: 47°F / max: 51°F
49°F
min: 47°F / max: 51°F
Barry
50°F
min: 48°F / max: 53°F
Buckley
49°F
min: 46°F / max: 51°F
Fishguard
50°F
min: 47°F / max: 52°F
49°F
min: 45°F / max: 51°F
Llanelli
50°F
min: 47°F / max: 53°F
Porthcawl
50°F
min: 47°F / max: 53°F
Where should you go swimming in Wales in the month of april?
Swimming in Wales in april is freezing
In april 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 april! The water temperature is freezing, reaching as low as 48°F (and only 53°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 april: the map of sea temperatures
ideal swimming 
pleasant swimming 
cool swimming 
cold swimming 
freezing swimmingWater temperature and seasonal norms in april
Cardiff
| April | |||
| Average sea temperature | 50°F | ||
| Minimum sea temperature | 48°F | ||
| Maximum sea temperature | 53°F | ||
| Average outside temperature | 50°F | ||
| Maximum outside temperature | 56°F | ||
| Minimum outside temperature | 45°F | ||
| Precipitation | 1.2in | ||
| Number of days of precipitation | 2 jour(s) (6%) | ||
| Cloud cover | 46% | ||
| Our opinion | freezing swimming |
More information on swimming in Cardiff in april
Conwy
| April | |||
| Average sea temperature | 49°F | ||
| Minimum sea temperature | 45°F | ||
| Maximum sea temperature | 51°F | ||
| Average outside temperature | 49°F | ||
| Maximum outside temperature | 52°F | ||
| Minimum outside temperature | 45°F | ||
| Precipitation | 3in | ||
| Number of days of precipitation | 5 jour(s) (16%) | ||
| Cloud cover | 49% | ||
| Our opinion | freezing swimming |
Holyhead
| April | |||
| Average sea temperature | 49°F | ||
| Minimum sea temperature | 47°F | ||
| Maximum sea temperature | 50°F | ||
| Average outside temperature | 49°F | ||
| Maximum outside temperature | 52°F | ||
| Minimum outside temperature | 47°F | ||
| Precipitation | 3in | ||
| Number of days of precipitation | 5 jour(s) (18%) | ||
| Cloud cover | 48% | ||
| Our opinion | freezing swimming |
Pembrokeshire
| April | |||
| Average sea temperature | 50°F | ||
| Minimum sea temperature | 47°F | ||
| Maximum sea temperature | 52°F | ||
| Average outside temperature | 50°F | ||
| Maximum outside temperature | 54°F | ||
| Minimum outside temperature | 47°F | ||
| Precipitation | 3.3in | ||
| Number of days of precipitation | 5 jour(s) (18%) | ||
| Cloud cover | 45% | ||
| Our opinion | freezing swimming |
More information on swimming in Pembrokeshire in april
Snowdonia National Park
| April | |||
| Average sea temperature | 48°F | ||
| Minimum sea temperature | 46°F | ||
| Maximum sea temperature | 51°F | ||
| Average outside temperature | 45°F | ||
| Maximum outside temperature | 49°F | ||
| Minimum outside temperature | 40°F | ||
| Precipitation | 3.9in | ||
| Number of days of precipitation | 6 jour(s) (20%) | ||
| Cloud cover | 55% | ||
| Our opinion | freezing swimming |
List of coastal cities in Wales
| Cardiff in april | freezing swimming |
| Conwy in april | freezing swimming |
| Holyhead in april | freezing swimming |
| Pembrokeshire in april | freezing swimming |
| Snowdonia National Park in april | freezing swimming |
| Swansea in april | freezing swimming |
| Aberystwyth in april | freezing swimming |
| Amlwch in april | freezing swimming |
| Barmouth in april | freezing swimming |
| Barry in april | freezing swimming |
| Buckley in april | freezing swimming |
| Fishguard in april | freezing swimming |
| Llandudno in april | freezing swimming |
| Llanelli in april | freezing swimming |
| Porthcawl in april | freezing swimming |