Swimming in Ireland in january 2025 Sea temperature by city in january
Do you want to go to the beach in Ireland in january 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 january in Ireland by city and our opinion on the chances of enjoying pleasant sea conditions.
Sea temperature in Ireland in january 2025
Here, find the average sea temperature in Ireland in january in several coastal cities.
Leinster in january
50°F
min: 47°F / max: 53°F
50°F
min: 47°F / max: 52°F
Dalkey Island
50°F
min: 47°F / max: 52°F
Rosslare
50°F
min: 47°F / max: 52°F
50°F
min: 47°F / max: 52°F
Arklow
50°F
min: 47°F / max: 53°F
Munster in january
50°F
min: 47°F / max: 52°F
51°F
min: 49°F / max: 53°F
Ardmore
50°F
min: 47°F / max: 52°F
Castletownbere
51°F
min: 48°F / max: 53°F
50°F
min: 49°F / max: 53°F
Kilkee
50°F
min: 49°F / max: 53°F
Connacht in january
50°F
min: 49°F / max: 53°F
50°F
min: 48°F / max: 53°F
50°F
min: 48°F / max: 53°F
50°F
min: 48°F / max: 53°F
Aran Islands
50°F
min: 49°F / max: 52°F
Ballycastle
50°F
min: 48°F / max: 52°F
North East Ireland (Ulster) in january
50°F
min: 48°F / max: 53°F
50°F
min: 48°F / max: 52°F
49°F
min: 47°F / max: 52°F
Bundoran
50°F
min: 48°F / max: 53°F
Derrybeg
50°F
min: 48°F / max: 52°F
50°F
min: 48°F / max: 53°F
Where should you go swimming in Ireland in the month of january?
Swimming in Ireland in january is freezing
In january 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 january! The water temperature is freezing, reaching as low as 47°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 january: the map of sea temperatures
ideal swimming 
pleasant swimming 
cool swimming 
cold swimming 
freezing swimmingWater temperature and seasonal norms in january
Dublin
| January | |||
| Average sea temperature | 50°F | ||
| Minimum sea temperature | 47°F | ||
| Maximum sea temperature | 53°F | ||
| Average outside temperature | 45°F | ||
| Maximum outside temperature | 47°F | ||
| Minimum outside temperature | 41°F | ||
| Precipitation | 2.8in | ||
| Number of days of precipitation | 5 jour(s) (15%) | ||
| Cloud cover | 57% | ||
| Our opinion | freezing swimming |
More information on swimming in Dublin in january
Cork
| January | |||
| Average sea temperature | 50°F | ||
| Minimum sea temperature | 47°F | ||
| Maximum sea temperature | 52°F | ||
| Average outside temperature | 45°F | ||
| Maximum outside temperature | 49°F | ||
| Minimum outside temperature | 43°F | ||
| Precipitation | 4.4in | ||
| Number of days of precipitation | 7 jour(s) (21%) | ||
| Cloud cover | 60% | ||
| Our opinion | freezing swimming |
More information on swimming in Cork in january
Galway
| January | |||
| Average sea temperature | 50°F | ||
| Minimum sea temperature | 49°F | ||
| Maximum sea temperature | 53°F | ||
| Average outside temperature | 45°F | ||
| Maximum outside temperature | 49°F | ||
| Minimum outside temperature | 41°F | ||
| Precipitation | 5.7in | ||
| Number of days of precipitation | 11 jour(s) (34%) | ||
| Cloud cover | 64% | ||
| Our opinion | freezing swimming |
More information on swimming in Galway in january
Belmullet
| January | |||
| Average sea temperature | 50°F | ||
| Minimum sea temperature | 48°F | ||
| Maximum sea temperature | 53°F | ||
| Average outside temperature | 49°F | ||
| Maximum outside temperature | 50°F | ||
| Minimum outside temperature | 47°F | ||
| Precipitation | 8.7in | ||
| Number of days of precipitation | 14 jour(s) (46%) | ||
| Cloud cover | 67% | ||
| Our opinion | freezing swimming |
More information on swimming in Belmullet in january
Connemara National Park
| January | |||
| Average sea temperature | 50°F | ||
| Minimum sea temperature | 48°F | ||
| Maximum sea temperature | 53°F | ||
| Average outside temperature | 43°F | ||
| Maximum outside temperature | 45°F | ||
| Minimum outside temperature | 41°F | ||
| Precipitation | 5.2in | ||
| Number of days of precipitation | 10 jour(s) (31%) | ||
| Cloud cover | 67% | ||
| Our opinion | freezing swimming |
More information on swimming in Connemara National Park in january
List of coastal cities in Ireland
| Dublin in january | freezing swimming |
| Cork in january | freezing swimming |
| Galway in january | freezing swimming |
| Belmullet in january | freezing swimming |
| Connemara National Park in january | freezing swimming |
| Dingle in january | freezing swimming |
| Dundalk in january | freezing swimming |
| Dungloe in january | freezing swimming |
| Killybegs in january | freezing swimming |
| Letterkenny in january | freezing swimming |
| Achill Island in january | freezing swimming |
| Aran Islands in january | freezing swimming |
| Ardmore in january | freezing swimming |
| Ballycastle in january | freezing swimming |
| Bundoran in january | freezing swimming |
| Castletownbere in january | freezing swimming |
| Dalkey Island in january | freezing swimming |
| Derrybeg in january | freezing swimming |
| Donegal in january | freezing swimming |
| Dunfanaghy in january | freezing swimming |
| Cliffs of Moher in january | freezing swimming |
| Gleann Cholm Cille in january | freezing swimming |
| Kilkee in january | freezing swimming |
| Malin Head in january | freezing swimming |
| Rosslare in january | freezing swimming |
| Shannon in january | freezing swimming |
| Skellig Islands in january | freezing swimming |
| Streedagh Point in january | freezing swimming |
| Tramore in january | freezing swimming |
| Valentia in january | freezing swimming |
| Waterford in january | freezing swimming |
| Wexford in january | freezing swimming |
| Arklow in january | freezing swimming |
| Balbriggan in january | freezing swimming |
| Ballina in january | freezing swimming |
| Ballyshannon in january | freezing swimming |
| Bray in january | freezing swimming |
| Buncrana in january | freezing swimming |
| Clonakilty in january | freezing swimming |
| Cobh in january | freezing swimming |
| Crosshaven in january | freezing swimming |
| Dún Laoghaire in january | freezing swimming |
| Dungarvan in january | freezing swimming |
| Greystones in january | freezing swimming |
| Kenmare in january | freezing swimming |
| Killorglin in january | freezing swimming |
| Kinsale in january | freezing swimming |
| Laytown in january | freezing swimming |
| Malahide in january | freezing swimming |
| Moville in january | freezing swimming |
| Skerries in january | freezing swimming |
| Sligo in january | freezing swimming |
| Tralee in january | freezing swimming |
| Westport in january | freezing swimming |
| Wicklow in january | freezing swimming |
| Youghal in january | freezing swimming |