Swimming in Northern Ireland in february 2025 Sea temperature by city in february
Do you want to go to the beach in Northern Ireland in february 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 february in Northern Ireland by city and our opinion on the chances of enjoying pleasant sea conditions.
Sea temperature in Northern Ireland in february 2025
Here, find the average sea temperature in Northern Ireland in february in several coastal cities.
County Antrim in february
47°F
min: 45°F / max: 49°F
Ballycastle (Causeway Coast)
47°F
min: 46°F / max: 49°F
Larne
47°F
min: 45°F / max: 49°F
Carrickfergus
47°F
min: 46°F / max: 49°F
Glenariff
47°F
min: 46°F / max: 49°F
Newtownabbey
47°F
min: 45°F / max: 49°F
County Londonderry in february
48°F
min: 47°F / max: 50°F
Castlerock
47°F
min: 46°F / max: 49°F
Limavady
48°F
min: 47°F / max: 50°F
47°F
min: 46°F / max: 49°F
County Down in february
Donwpatrick
47°F
min: 45°F / max: 49°F
Annalong
47°F
min: 45°F / max: 50°F
Ballywalter
47°F
min: 45°F / max: 48°F
Bangor
47°F
min: 45°F / max: 49°F
Donaghadee
47°F
min: 45°F / max: 49°F
Dundrum
48°F
min: 45°F / max: 50°F
Where should you go swimming in Northern Ireland in the month of february?
Swimming in Northern Ireland in february is freezing
In february in Northern Ireland swimming conditions are generally the same everywhere.
Forget about swimming in Belfast, Ballycastle (Causeway Coast), Derry (Londonderry), Donwpatrick, Larne, Annalong, Ballywalter, Bangor, Carrickfergus, Castlerock, Donaghadee, Dundrum, Glenariff, Holywood, Kilkeel, Limavady, Millisle, Newcastle, Newtownabbey, Newtownards, Portrush, Portstewart and Warrenpoint in february! The water temperature is freezing, reaching as low as 45°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 Northern Ireland in february: the map of sea temperatures
ideal swimming 
pleasant swimming 
cool swimming 
cold swimming 
freezing swimmingWater temperature and seasonal norms in february
Belfast
| February | |||
| Average sea temperature | 47°F | ||
| Minimum sea temperature | 45°F | ||
| Maximum sea temperature | 49°F | ||
| Average outside temperature | 43°F | ||
| Maximum outside temperature | 47°F | ||
| Minimum outside temperature | 40°F | ||
| Precipitation | 4.3in | ||
| Number of days of precipitation | 8 jour(s) (27%) | ||
| Cloud cover | 63% | ||
| Our opinion | freezing swimming |
More information on swimming in Belfast in february
Ballycastle (Causeway Coast)
| February | |||
| Average sea temperature | 47°F | ||
| Minimum sea temperature | 46°F | ||
| Maximum sea temperature | 49°F | ||
| Average outside temperature | 43°F | ||
| Maximum outside temperature | 47°F | ||
| Minimum outside temperature | 41°F | ||
| Precipitation | 5.1in | ||
| Number of days of precipitation | 9 jour(s) (32%) | ||
| Cloud cover | 62% | ||
| Our opinion | freezing swimming |
Derry (Londonderry)
| February | |||
| Average sea temperature | 48°F | ||
| Minimum sea temperature | 47°F | ||
| Maximum sea temperature | 50°F | ||
| Average outside temperature | 43°F | ||
| Maximum outside temperature | 47°F | ||
| Minimum outside temperature | 38°F | ||
| Precipitation | 2.2in | ||
| Number of days of precipitation | 3 jour(s) (10%) | ||
| Cloud cover | 66% | ||
| Our opinion | freezing swimming |
More information on swimming in Derry (Londonderry) in february
Donwpatrick
| February | |||
| Average sea temperature | 47°F | ||
| Minimum sea temperature | 45°F | ||
| Maximum sea temperature | 49°F | ||
| Average outside temperature | 45°F | ||
| Maximum outside temperature | 47°F | ||
| Minimum outside temperature | 43°F | ||
| Precipitation | 2.7in | ||
| Number of days of precipitation | 5 jour(s) (17%) | ||
| Cloud cover | 59% | ||
| Our opinion | freezing swimming |
Larne
| February | |||
| Average sea temperature | 47°F | ||
| Minimum sea temperature | 45°F | ||
| Maximum sea temperature | 49°F | ||
| Average outside temperature | 43°F | ||
| Maximum outside temperature | 47°F | ||
| Minimum outside temperature | 41°F | ||
| Precipitation | 4.3in | ||
| Number of days of precipitation | 8 jour(s) (26%) | ||
| Cloud cover | 62% | ||
| Our opinion | freezing swimming |
List of coastal cities in Northern Ireland
| Belfast in february | freezing swimming |
| Ballycastle (Causeway Coast) in february | freezing swimming |
| Derry (Londonderry) in february | freezing swimming |
| Donwpatrick in february | freezing swimming |
| Larne in february | freezing swimming |
| Annalong in february | freezing swimming |
| Ballywalter in february | freezing swimming |
| Bangor in february | freezing swimming |
| Carrickfergus in february | freezing swimming |
| Castlerock in february | freezing swimming |
| Donaghadee in february | freezing swimming |
| Dundrum in february | freezing swimming |
| Glenariff in february | freezing swimming |
| Holywood in february | freezing swimming |
| Kilkeel in february | freezing swimming |
| Limavady in february | freezing swimming |
| Millisle in february | freezing swimming |
| Newcastle in february | freezing swimming |
| Newtownabbey in february | freezing swimming |
| Newtownards in february | freezing swimming |
| Portrush in february | freezing swimming |
| Portstewart in february | freezing swimming |
| Warrenpoint in february | freezing swimming |