In October warmest sea in Ireland is usually observed in the following locations: Dublin, Cork, Killarney.
Table below shows the average sea water temperature for marine resorts of Ireland in October for the last three years.
| Place name | October 2023 | October 2022 | October 2021 |
|---|---|---|---|
| Dublin | 57.8°F | 57.0°F | 57.7°F |
| Cork | 57.2°F | 57.2°F | 56.8°F |
| Killarney | 56.8°F | 56.8°F | 57.3°F |
| Limerick | 56.5°F | 56.8°F | 56.7°F |
Charts below show average sea water temperature for Ireland resorts with the warmest sea in October.
You can also check other months of the year to see sea temperature of Ireland resorts at that time.
