Best time to swim in Wales Sea temperature by month

Do you want to go to the seaside in Wales? But when should you go to be sure to enjoy good sea water temperature and be able to swim for a long time? Now or another month during the year? On this page, find the sea temperature by month in Wales.

Swimming in Wales by month

Discover swimming conditions in detail in Wales by month below. Click on the links for each month to see details about the sea temperature in the cities of: Cardiff, Conwy, Holyhead, Pembrokeshire and Snowdonia National Park.

Month sea temperature Details
46°F to 49°F Sea temperature
in Wales in january
46°F to 49°F Sea temperature
in Wales in february
46°F to 48°F Sea temperature
in Wales in march
48°F to 50°F Sea temperature
in Wales in april
51°F to 53°F Sea temperature
in Wales in may
55°F to 57°F Sea temperature
in Wales in june
58°F to 61°F Sea temperature
in Wales in july
60°F to 63°F Sea temperature
in Wales in august
59°F to 63°F Sea temperature
in Wales in september
58°F to 60°F Sea temperature
in Wales in october
55°F to 57°F Sea temperature
in Wales in november
50°F to 53°F Sea temperature
in Wales in december

* in at least part of the area.

Where and when should you swim in Wales?

Cardiff

Best time to swim in Cardiff

No month is favorable as far as sea temperature for swimming in Cardiff.

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Conwy

Best time to swim in Conwy

No month is favorable as far as sea temperature for swimming in Conwy.

see
Holyhead

Best time to swim in Holyhead

No month is favorable as far as sea temperature for swimming in Holyhead.

see
Pembrokeshire

Best time to swim in Pembrokeshire

No month is favorable as far as sea temperature for swimming in Pembrokeshire.

see
Snowdonia National Park

Best time to swim in Snowdonia National Park

No month is favorable as far as sea temperature for swimming in Snowdonia National Park.

see

Other cities and places in Wales:

Water temperatures in Wales over the entire year

On this chart, we show you the variation of the average sea water temperature in Wales for the cities of: Cardiff, Conwy, Holyhead, Pembrokeshire and Snowdonia National Park.

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