Swimming in Ireland in april 2025 Sea temperature by city in april

Do you want to go to the beach in Ireland 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 Ireland by city and our opinion on the chances of enjoying pleasant sea conditions.

Sea temperature in Ireland in april 2025

Here, find the average sea temperature in Ireland in april in several coastal cities.

Leinster in april

on average:

49°F

min: 47°F / max: 50°F

on average:

49°F

min: 47°F / max: 50°F

Dalkey Island

on average:

49°F

min: 47°F / max: 50°F

Rosslare

on average:

49°F

min: 47°F / max: 51°F

on average:

49°F

min: 47°F / max: 52°F

Arklow

on average:

49°F

min: 47°F / max: 51°F

Munster in april

on average:

51°F

min: 48°F / max: 55°F

on average:

51°F

min: 49°F / max: 54°F

Ardmore

on average:

50°F

min: 47°F / max: 54°F

Castletownbere

on average:

52°F

min: 49°F / max: 54°F

on average:

51°F

min: 49°F / max: 53°F

Kilkee

on average:

51°F

min: 49°F / max: 53°F

Connacht in april

on average:

51°F

min: 49°F / max: 53°F

on average:

51°F

min: 49°F / max: 53°F

on average:

51°F

min: 49°F / max: 53°F

on average:

51°F

min: 49°F / max: 53°F

Aran Islands

on average:

51°F

min: 49°F / max: 53°F

Ballycastle

on average:

50°F

min: 48°F / max: 52°F

North East Ireland (Ulster) in april

on average:

50°F

min: 48°F / max: 52°F

on average:

50°F

min: 48°F / max: 52°F

on average:

49°F

min: 47°F / max: 51°F

Bundoran

on average:

50°F

min: 48°F / max: 52°F

Derrybeg

on average:

50°F

min: 48°F / max: 52°F

on average:

50°F

min: 48°F / max: 52°F

Where should you go swimming in Ireland in the month of april?

Swimming in Ireland in april is freezing

In april 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 april! The water temperature is freezing, reaching as low as 47°F (and only 50°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 april: the map of sea temperatures

ideal swimming pleasant swimming cool swimming cold swimming freezing swimming

Water temperature and seasonal norms in april

Dublin

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 45°F
Precipitation 2.3in
Number of days of precipitation 4 jour(s)
(13%)
Cloud cover 50%
Our opinion freezing swimming

More information on swimming in Dublin in april

Cork

April
Average sea temperature 51°F
Minimum sea temperature 48°F
Maximum sea temperature 55°F
Average outside temperature 49°F
Maximum outside temperature 54°F
Minimum outside temperature 43°F
Precipitation 3.2in
Number of days of precipitation 5 jour(s)
(16%)
Cloud cover 52%
Our opinion freezing swimming

More information on swimming in Cork in april

Galway

April
Average sea temperature 51°F
Minimum sea temperature 49°F
Maximum sea temperature 53°F
Average outside temperature 49°F
Maximum outside temperature 56°F
Minimum outside temperature 43°F
Precipitation 3.3in
Number of days of precipitation 5 jour(s)
(18%)
Cloud cover 56%
Our opinion freezing swimming

More information on swimming in Galway in april

Belmullet

April
Average sea temperature 51°F
Minimum sea temperature 49°F
Maximum sea temperature 53°F
Average outside temperature 50°F
Maximum outside temperature 52°F
Minimum outside temperature 49°F
Precipitation 4.3in
Number of days of precipitation 8 jour(s)
(26%)
Cloud cover 55%
Our opinion freezing swimming

More information on swimming in Belmullet in april

Connemara National Park

April
Average sea temperature 51°F
Minimum sea temperature 49°F
Maximum sea temperature 53°F
Average outside temperature 49°F
Maximum outside temperature 52°F
Minimum outside temperature 43°F
Precipitation 2.6in
Number of days of precipitation 4 jour(s)
(14%)
Cloud cover 57%
Our opinion freezing swimming

More information on swimming in Connemara National Park in april

List of coastal cities in Ireland

Dublin in aprilfreezing swimming
Cork in aprilfreezing swimming
Galway in aprilfreezing swimming
Belmullet in aprilfreezing swimming
Connemara National Park in aprilfreezing swimming
Dingle in aprilfreezing swimming
Dundalk in aprilfreezing swimming
Dungloe in aprilfreezing swimming
Killybegs in aprilfreezing swimming
Letterkenny in aprilfreezing swimming
Achill Island in aprilfreezing swimming
Aran Islands in aprilfreezing swimming
Ardmore in aprilfreezing swimming
Ballycastle in aprilfreezing swimming
Bundoran in aprilfreezing swimming
Castletownbere in aprilfreezing swimming
Dalkey Island in aprilfreezing swimming
Derrybeg in aprilfreezing swimming
Donegal in aprilfreezing swimming
Dunfanaghy in aprilfreezing swimming
Cliffs of Moher in aprilfreezing swimming
Gleann Cholm Cille in aprilfreezing swimming
Kilkee in aprilfreezing swimming
Malin Head in aprilfreezing swimming
Rosslare in aprilfreezing swimming
Shannon in aprilfreezing swimming
Skellig Islands in aprilfreezing swimming
Streedagh Point in aprilfreezing swimming
Tramore in aprilfreezing swimming
Valentia in aprilfreezing swimming
Waterford in aprilfreezing swimming
Wexford in aprilfreezing swimming
Arklow in aprilfreezing swimming
Balbriggan in aprilfreezing swimming
Ballina in aprilfreezing swimming
Ballyshannon in aprilfreezing swimming
Bray in aprilfreezing swimming
Buncrana in aprilfreezing swimming
Clonakilty in aprilfreezing swimming
Cobh in aprilfreezing swimming
Crosshaven in aprilfreezing swimming
Dún Laoghaire in aprilfreezing swimming
Dungarvan in aprilfreezing swimming
Greystones in aprilfreezing swimming
Kenmare in aprilfreezing swimming
Killorglin in aprilfreezing swimming
Kinsale in aprilfreezing swimming
Laytown in aprilfreezing swimming
Malahide in aprilfreezing swimming
Moville in aprilfreezing swimming
Skerries in aprilfreezing swimming
Sligo in aprilfreezing swimming
Tralee in aprilfreezing swimming
Westport in aprilfreezing swimming
Wicklow in aprilfreezing swimming
Youghal in aprilfreezing swimming
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