Swimming in Ireland in may 2025 Sea temperature by city in may
Do you want to go to the beach in Ireland in may 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 may in Ireland by city and our opinion on the chances of enjoying pleasant sea conditions.
Sea temperature in Ireland in may 2025
Here, find the average sea temperature in Ireland in may in several coastal cities.
Leinster in may
51°F
min: 50°F / max: 53°F
51°F
min: 49°F / max: 52°F
Dalkey Island
51°F
min: 49°F / max: 53°F
Rosslare
52°F
min: 50°F / max: 54°F
52°F
min: 50°F / max: 54°F
Arklow
52°F
min: 50°F / max: 54°F
Munster in may
53°F
min: 52°F / max: 56°F
54°F
min: 52°F / max: 55°F
Ardmore
53°F
min: 51°F / max: 56°F
Castletownbere
54°F
min: 52°F / max: 56°F
53°F
min: 51°F / max: 55°F
Kilkee
53°F
min: 52°F / max: 55°F
Connacht in may
53°F
min: 51°F / max: 55°F
53°F
min: 51°F / max: 55°F
53°F
min: 51°F / max: 55°F
53°F
min: 51°F / max: 55°F
Aran Islands
53°F
min: 51°F / max: 55°F
Ballycastle
52°F
min: 50°F / max: 53°F
North East Ireland (Ulster) in may
52°F
min: 50°F / max: 54°F
52°F
min: 51°F / max: 53°F
51°F
min: 50°F / max: 53°F
Bundoran
52°F
min: 50°F / max: 54°F
Derrybeg
52°F
min: 50°F / max: 54°F
52°F
min: 51°F / max: 54°F
Where should you go swimming in Ireland in the month of may?
Swimming in Ireland in may is freezing
In may in Ireland swimming conditions are generally the same everywhere.
Forget about swimming in Dublin, Cork, Galway, Belmullet, Connemara National Park, Dingle, Dundalk, Dungloe, Killybegs, Letterkenny, Achill Island, Aran Islands, Ardmore, Ballycastle, Bundoran, Castletownbere, Dalkey Island, Derrybeg, Donegal, Dunfanaghy, Cliffs of Moher, Gleann Cholm Cille, Kilkee, Malin Head, Rosslare, Shannon, Skellig Islands, Streedagh Point, Tramore, Valentia, Waterford, Wexford, Arklow, Balbriggan, Ballina, Ballyshannon, Bray, Buncrana, Clonakilty, Cobh, Crosshaven, Dún Laoghaire, Dungarvan, Greystones, Kenmare, Killorglin, Kinsale, Laytown, Malahide, Moville, Skerries, Sligo, Tralee, Westport, Wicklow and Youghal in may! The water temperature is freezing, reaching as low as 50°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 Ireland in may: the map of sea temperatures
Water temperature and seasonal norms in may
Dublin
May | |||
Average sea temperature | 51°F | ||
Minimum sea temperature | 50°F | ||
Maximum sea temperature | 53°F | ||
Average outside temperature | 52°F | ||
Maximum outside temperature | 58°F | ||
Minimum outside temperature | 49°F | ||
Precipitation | 2.3in | ||
Number of days of precipitation | 3 jour(s) (11%) | ||
Cloud cover | 52% | ||
Our opinion | freezing swimming |
More information on swimming in Dublin in may
Cork
May | |||
Average sea temperature | 53°F | ||
Minimum sea temperature | 52°F | ||
Maximum sea temperature | 56°F | ||
Average outside temperature | 54°F | ||
Maximum outside temperature | 58°F | ||
Minimum outside temperature | 49°F | ||
Precipitation | 3.7in | ||
Number of days of precipitation | 6 jour(s) (20%) | ||
Cloud cover | 55% | ||
Our opinion | freezing swimming |
More information on swimming in Cork in may
Galway
May | |||
Average sea temperature | 53°F | ||
Minimum sea temperature | 51°F | ||
Maximum sea temperature | 55°F | ||
Average outside temperature | 54°F | ||
Maximum outside temperature | 59°F | ||
Minimum outside temperature | 49°F | ||
Precipitation | 4.3in | ||
Number of days of precipitation | 7 jour(s) (22%) | ||
Cloud cover | 61% | ||
Our opinion | freezing swimming |
More information on swimming in Galway in may
Belmullet
May | |||
Average sea temperature | 53°F | ||
Minimum sea temperature | 51°F | ||
Maximum sea temperature | 55°F | ||
Average outside temperature | 54°F | ||
Maximum outside temperature | 54°F | ||
Minimum outside temperature | 52°F | ||
Precipitation | 5.4in | ||
Number of days of precipitation | 9 jour(s) (30%) | ||
Cloud cover | 57% | ||
Our opinion | freezing swimming |
More information on swimming in Belmullet in may
Connemara National Park
May | |||
Average sea temperature | 53°F | ||
Minimum sea temperature | 51°F | ||
Maximum sea temperature | 55°F | ||
Average outside temperature | 52°F | ||
Maximum outside temperature | 56°F | ||
Minimum outside temperature | 47°F | ||
Precipitation | 3.7in | ||
Number of days of precipitation | 6 jour(s) (19%) | ||
Cloud cover | 60% | ||
Our opinion | freezing swimming |
More information on swimming in Connemara National Park in may
List of coastal cities in Ireland
Dublin in may | freezing swimming |
Cork in may | freezing swimming |
Galway in may | freezing swimming |
Belmullet in may | freezing swimming |
Connemara National Park in may | freezing swimming |
Dingle in may | freezing swimming |
Dundalk in may | freezing swimming |
Dungloe in may | freezing swimming |
Killybegs in may | freezing swimming |
Letterkenny in may | freezing swimming |
Achill Island in may | freezing swimming |
Aran Islands in may | freezing swimming |
Ardmore in may | freezing swimming |
Ballycastle in may | freezing swimming |
Bundoran in may | freezing swimming |
Castletownbere in may | freezing swimming |
Dalkey Island in may | freezing swimming |
Derrybeg in may | freezing swimming |
Donegal in may | freezing swimming |
Dunfanaghy in may | freezing swimming |
Cliffs of Moher in may | freezing swimming |
Gleann Cholm Cille in may | freezing swimming |
Kilkee in may | freezing swimming |
Malin Head in may | freezing swimming |
Rosslare in may | freezing swimming |
Shannon in may | freezing swimming |
Skellig Islands in may | freezing swimming |
Streedagh Point in may | freezing swimming |
Tramore in may | freezing swimming |
Valentia in may | freezing swimming |
Waterford in may | freezing swimming |
Wexford in may | freezing swimming |
Arklow in may | freezing swimming |
Balbriggan in may | freezing swimming |
Ballina in may | freezing swimming |
Ballyshannon in may | freezing swimming |
Bray in may | freezing swimming |
Buncrana in may | freezing swimming |
Clonakilty in may | freezing swimming |
Cobh in may | freezing swimming |
Crosshaven in may | freezing swimming |
Dún Laoghaire in may | freezing swimming |
Dungarvan in may | freezing swimming |
Greystones in may | freezing swimming |
Kenmare in may | freezing swimming |
Killorglin in may | freezing swimming |
Kinsale in may | freezing swimming |
Laytown in may | freezing swimming |
Malahide in may | freezing swimming |
Moville in may | freezing swimming |
Skerries in may | freezing swimming |
Sligo in may | freezing swimming |
Tralee in may | freezing swimming |
Westport in may | freezing swimming |
Wicklow in may | freezing swimming |
Youghal in may | freezing swimming |