Swimming in Ireland in october 2025 Sea temperature by city in october
Do you want to go to the beach in Ireland in october 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 october in Ireland by city and our opinion on the chances of enjoying pleasant sea conditions.
Sea temperature in Ireland in october 2025
Here, find the average sea temperature in Ireland in october in several coastal cities.
Leinster in october
58°F
min: 56°F / max: 60°F
58°F
min: 56°F / max: 59°F
Dalkey Island
58°F
min: 56°F / max: 59°F
Rosslare
58°F
min: 57°F / max: 61°F
58°F
min: 56°F / max: 60°F
Arklow
58°F
min: 56°F / max: 60°F
Munster in october
58°F
min: 55°F / max: 61°F
58°F
min: 54°F / max: 60°F
Ardmore
58°F
min: 55°F / max: 61°F
Castletownbere
58°F
min: 55°F / max: 61°F
58°F
min: 54°F / max: 60°F
Kilkee
58°F
min: 54°F / max: 60°F
Connacht in october
57°F
min: 55°F / max: 60°F
57°F
min: 54°F / max: 60°F
57°F
min: 54°F / max: 60°F
57°F
min: 54°F / max: 60°F
Aran Islands
57°F
min: 54°F / max: 60°F
Ballycastle
56°F
min: 54°F / max: 58°F
North East Ireland (Ulster) in october
56°F
min: 54°F / max: 59°F
56°F
min: 54°F / max: 59°F
56°F
min: 54°F / max: 59°F
Bundoran
57°F
min: 54°F / max: 59°F
Derrybeg
56°F
min: 54°F / max: 58°F
56°F
min: 54°F / max: 58°F
Where should you go swimming in Ireland in the month of october?
Swimming in Ireland in october is freezing
In october 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 october! The water temperature is freezing, reaching as low as 56°F (and only 60°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 october: the map of sea temperatures
Water temperature and seasonal norms in october
Dublin
October | |||
Average sea temperature | 58°F | ||
Minimum sea temperature | 56°F | ||
Maximum sea temperature | 60°F | ||
Average outside temperature | 54°F | ||
Maximum outside temperature | 58°F | ||
Minimum outside temperature | 50°F | ||
Precipitation | 3.6in | ||
Number of days of precipitation | 5 jour(s) (16%) | ||
Cloud cover | 55% | ||
Our opinion | freezing swimming |
More information on swimming in Dublin in october
Cork
October | |||
Average sea temperature | 58°F | ||
Minimum sea temperature | 55°F | ||
Maximum sea temperature | 61°F | ||
Average outside temperature | 54°F | ||
Maximum outside temperature | 58°F | ||
Minimum outside temperature | 50°F | ||
Precipitation | 4.8in | ||
Number of days of precipitation | 7 jour(s) (24%) | ||
Cloud cover | 56% | ||
Our opinion | freezing swimming |
More information on swimming in Cork in october
Galway
October | |||
Average sea temperature | 57°F | ||
Minimum sea temperature | 55°F | ||
Maximum sea temperature | 60°F | ||
Average outside temperature | 54°F | ||
Maximum outside temperature | 58°F | ||
Minimum outside temperature | 50°F | ||
Precipitation | 4.8in | ||
Number of days of precipitation | 8 jour(s) (25%) | ||
Cloud cover | 62% | ||
Our opinion | freezing swimming |
More information on swimming in Galway in october
Belmullet
October | |||
Average sea temperature | 57°F | ||
Minimum sea temperature | 54°F | ||
Maximum sea temperature | 60°F | ||
Average outside temperature | 56°F | ||
Maximum outside temperature | 58°F | ||
Minimum outside temperature | 54°F | ||
Precipitation | 8.7in | ||
Number of days of precipitation | 13 jour(s) (43%) | ||
Cloud cover | 61% | ||
Our opinion | freezing swimming |
More information on swimming in Belmullet in october
Connemara National Park
October | |||
Average sea temperature | 57°F | ||
Minimum sea temperature | 54°F | ||
Maximum sea temperature | 60°F | ||
Average outside temperature | 52°F | ||
Maximum outside temperature | 54°F | ||
Minimum outside temperature | 49°F | ||
Precipitation | 4.7in | ||
Number of days of precipitation | 8 jour(s) (25%) | ||
Cloud cover | 63% | ||
Our opinion | freezing swimming |
More information on swimming in Connemara National Park in october
List of coastal cities in Ireland
Dublin in october | freezing swimming |
Cork in october | freezing swimming |
Galway in october | freezing swimming |
Belmullet in october | freezing swimming |
Connemara National Park in october | freezing swimming |
Dingle in october | freezing swimming |
Dundalk in october | freezing swimming |
Dungloe in october | freezing swimming |
Killybegs in october | freezing swimming |
Letterkenny in october | freezing swimming |
Achill Island in october | freezing swimming |
Aran Islands in october | freezing swimming |
Ardmore in october | freezing swimming |
Ballycastle in october | freezing swimming |
Bundoran in october | freezing swimming |
Castletownbere in october | freezing swimming |
Dalkey Island in october | freezing swimming |
Derrybeg in october | freezing swimming |
Donegal in october | freezing swimming |
Dunfanaghy in october | freezing swimming |
Cliffs of Moher in october | freezing swimming |
Gleann Cholm Cille in october | freezing swimming |
Kilkee in october | freezing swimming |
Malin Head in october | freezing swimming |
Rosslare in october | freezing swimming |
Shannon in october | freezing swimming |
Skellig Islands in october | freezing swimming |
Streedagh Point in october | freezing swimming |
Tramore in october | freezing swimming |
Valentia in october | freezing swimming |
Waterford in october | freezing swimming |
Wexford in october | freezing swimming |
Arklow in october | freezing swimming |
Balbriggan in october | freezing swimming |
Ballina in october | freezing swimming |
Ballyshannon in october | freezing swimming |
Bray in october | freezing swimming |
Buncrana in october | freezing swimming |
Clonakilty in october | freezing swimming |
Cobh in october | freezing swimming |
Crosshaven in october | freezing swimming |
Dún Laoghaire in october | freezing swimming |
Dungarvan in october | freezing swimming |
Greystones in october | freezing swimming |
Kenmare in october | freezing swimming |
Killorglin in october | freezing swimming |
Kinsale in october | freezing swimming |
Laytown in october | freezing swimming |
Malahide in october | freezing swimming |
Moville in october | freezing swimming |
Skerries in october | freezing swimming |
Sligo in october | freezing swimming |
Tralee in october | freezing swimming |
Westport in october | freezing swimming |
Wicklow in october | freezing swimming |
Youghal in october | freezing swimming |