Best time to swim in Ireland Sea temperature by month
Do you want to go to the seaside in Ireland? But when should you go to be sure to enjoy good sea water temperature and be able to swim for a long time? Now or another month during the year? On this page, find the sea temperature by month in Ireland.
Swimming in Ireland by month
Discover swimming conditions in detail in Ireland by month below. Click on the links for each month to see details about the sea temperature in the cities of: Dublin, Cork, Galway, Belmullet and Connemara National Park.
| Month | Average Sea temperature | Our opinion |
|---|---|---|
| January | 49°F to 51°F | freezing swimming |
| February | 48°F to 51°F | freezing swimming |
| March | 47°F to 50°F | freezing swimming |
| April | 49°F to 52°F | freezing swimming |
| May | 51°F to 54°F | freezing swimming |
| June | 54°F to 57°F | freezing swimming |
| July | 57°F to 61°F | cold swimming* |
| August | 58°F to 62°F | cold swimming* |
| September | 58°F to 61°F | cold swimming* |
| October | 56°F to 58°F | freezing swimming |
| November | 54°F to 56°F | freezing swimming |
| December | 52°F to 53°F | freezing swimming |
* in at least part of the area.
Where and when should you swim in Ireland?
Best time to swim in Dublin
No month is favorable as far as sea temperature for swimming in Dublin.
Best time to swim in Galway
No month is favorable as far as sea temperature for swimming in Galway.
Best time to swim in Belmullet
No month is favorable as far as sea temperature for swimming in Belmullet.
Best time to swim in Connemara National Park
No month is favorable as far as sea temperature for swimming in Connemara National Park.
Other cities and places in Ireland:
Water temperatures in Ireland over the entire year
On this chart, we show you the variation of the average sea water temperature in Ireland for the cities of: Dublin, Cork, Galway, Belmullet and Connemara National Park.