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

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

Sea temperature in Ireland in march 2025

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

Leinster in march

on average:

48°F

min: 46°F / max: 49°F

on average:

48°F

min: 46°F / max: 49°F

Dalkey Island

on average:

48°F

min: 46°F / max: 49°F

Rosslare

on average:

47°F

min: 47°F / max: 49°F

on average:

48°F

min: 46°F / max: 49°F

Arklow

on average:

48°F

min: 47°F / max: 49°F

Munster in march

on average:

49°F

min: 48°F / max: 51°F

on average:

50°F

min: 49°F / max: 52°F

Ardmore

on average:

49°F

min: 48°F / max: 51°F

Castletownbere

on average:

50°F

min: 49°F / max: 52°F

on average:

50°F

min: 49°F / max: 51°F

Kilkee

on average:

50°F

min: 48°F / max: 51°F

Connacht in march

on average:

49°F

min: 48°F / max: 51°F

on average:

49°F

min: 47°F / max: 51°F

on average:

49°F

min: 47°F / max: 51°F

on average:

49°F

min: 47°F / max: 51°F

Aran Islands

on average:

49°F

min: 48°F / max: 51°F

Ballycastle

on average:

49°F

min: 47°F / max: 51°F

North East Ireland (Ulster) in march

on average:

49°F

min: 47°F / max: 51°F

on average:

49°F

min: 47°F / max: 51°F

on average:

48°F

min: 46°F / max: 50°F

Bundoran

on average:

49°F

min: 47°F / max: 51°F

Derrybeg

on average:

49°F

min: 47°F / max: 51°F

on average:

49°F

min: 47°F / max: 51°F

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

Swimming in Ireland in march is freezing

In march 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 march! The water temperature is freezing, reaching as low as 46°F (and only 49°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 march: the map of sea temperatures

ideal swimming pleasant swimming cool swimming cold swimming freezing swimming

Water temperature and seasonal norms in march

Dublin

March
Average sea temperature 48°F
Minimum sea temperature 46°F
Maximum sea temperature 49°F
Average outside temperature 47°F
Maximum outside temperature 50°F
Minimum outside temperature 41°F
Precipitation 2.2in
Number of days of precipitation 3 jour(s)
(9%)
Cloud cover 54%
Our opinion freezing swimming

More information on swimming in Dublin in march

Cork

March
Average sea temperature 49°F
Minimum sea temperature 48°F
Maximum sea temperature 51°F
Average outside temperature 47°F
Maximum outside temperature 50°F
Minimum outside temperature 41°F
Precipitation 3.1in
Number of days of precipitation 4 jour(s)
(14%)
Cloud cover 56%
Our opinion freezing swimming

More information on swimming in Cork in march

Galway

March
Average sea temperature 49°F
Minimum sea temperature 48°F
Maximum sea temperature 51°F
Average outside temperature 47°F
Maximum outside temperature 50°F
Minimum outside temperature 41°F
Precipitation 4.1in
Number of days of precipitation 8 jour(s)
(25%)
Cloud cover 62%
Our opinion freezing swimming

More information on swimming in Galway in march

Belmullet

March
Average sea temperature 49°F
Minimum sea temperature 47°F
Maximum sea temperature 51°F
Average outside temperature 49°F
Maximum outside temperature 50°F
Minimum outside temperature 47°F
Precipitation 6in
Number of days of precipitation 11 jour(s)
(34%)
Cloud cover 64%
Our opinion freezing swimming

More information on swimming in Belmullet in march

Connemara National Park

March
Average sea temperature 49°F
Minimum sea temperature 47°F
Maximum sea temperature 51°F
Average outside temperature 45°F
Maximum outside temperature 49°F
Minimum outside temperature 41°F
Precipitation 3.8in
Number of days of precipitation 7 jour(s)
(23%)
Cloud cover 65%
Our opinion freezing swimming

More information on swimming in Connemara National Park in march

List of coastal cities in Ireland

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