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
48°F
min: 46°F / max: 49°F
48°F
min: 46°F / max: 49°F
Dalkey Island
48°F
min: 46°F / max: 49°F
Rosslare
47°F
min: 47°F / max: 49°F
48°F
min: 46°F / max: 49°F
Arklow
48°F
min: 47°F / max: 49°F
Munster
49°F
min: 48°F / max: 51°F
50°F
min: 49°F / max: 52°F
Ardmore
49°F
min: 48°F / max: 51°F
Castletownbere
50°F
min: 49°F / max: 52°F
50°F
min: 49°F / max: 51°F
Kilkee
50°F
min: 48°F / max: 51°F
Connacht
49°F
min: 48°F / max: 51°F
49°F
min: 47°F / max: 51°F
49°F
min: 47°F / max: 51°F
49°F
min: 47°F / max: 51°F
Aran Islands
49°F
min: 48°F / max: 51°F
Ballycastle
49°F
min: 47°F / max: 51°F
North East Ireland (Ulster)
49°F
min: 47°F / max: 51°F
49°F
min: 47°F / max: 51°F
48°F
min: 46°F / max: 50°F
Bundoran
49°F
min: 47°F / max: 51°F
Derrybeg
49°F
min: 47°F / max: 51°F
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 swimmingWater 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 march | freezing swimming |
| Cork in march | freezing swimming |
| Galway in march | freezing swimming |
| Belmullet in march | freezing swimming |
| Connemara National Park in march | freezing swimming |
| Dingle in march | freezing swimming |
| Dundalk in march | freezing swimming |
| Dungloe in march | freezing swimming |
| Killybegs in march | freezing swimming |
| Letterkenny in march | freezing swimming |
| Achill Island in march | freezing swimming |
| Aran Islands in march | freezing swimming |
| Ardmore in march | freezing swimming |
| Ballycastle in march | freezing swimming |
| Bundoran in march | freezing swimming |
| Castletownbere in march | freezing swimming |
| Dalkey Island in march | freezing swimming |
| Derrybeg in march | freezing swimming |
| Donegal in march | freezing swimming |
| Dunfanaghy in march | freezing swimming |
| Cliffs of Moher in march | freezing swimming |
| Gleann Cholm Cille in march | freezing swimming |
| Kilkee in march | freezing swimming |
| Malin Head in march | freezing swimming |
| Rosslare in march | freezing swimming |
| Shannon in march | freezing swimming |
| Skellig Islands in march | freezing swimming |
| Streedagh Point in march | freezing swimming |
| Tramore in march | freezing swimming |
| Valentia in march | freezing swimming |
| Waterford in march | freezing swimming |
| Wexford in march | freezing swimming |
| Arklow in march | freezing swimming |
| Balbriggan in march | freezing swimming |
| Ballina in march | freezing swimming |
| Ballyshannon in march | freezing swimming |
| Bray in march | freezing swimming |
| Buncrana in march | freezing swimming |
| Clonakilty in march | freezing swimming |
| Cobh in march | freezing swimming |
| Crosshaven in march | freezing swimming |
| Dún Laoghaire in march | freezing swimming |
| Dungarvan in march | freezing swimming |
| Greystones in march | freezing swimming |
| Kenmare in march | freezing swimming |
| Killorglin in march | freezing swimming |
| Kinsale in march | freezing swimming |
| Laytown in march | freezing swimming |
| Malahide in march | freezing swimming |
| Moville in march | freezing swimming |
| Skerries in march | freezing swimming |
| Sligo in march | freezing swimming |
| Tralee in march | freezing swimming |
| Westport in march | freezing swimming |
| Wicklow in march | freezing swimming |
| Youghal in march | freezing swimming |