Leaflet | Tiles © Esri
In April warmest sea in Ireland is usually observed in the following locations: Killarney, Limerick, Cork.
Table below shows the average sea water temperature for marine resorts of Ireland in April for the last three years.
| Place name | April 2025 | April 2024 | April 2023 |
|---|---|---|---|
| Killarney | 52.6°F | 50.8°F | 50.6°F |
| Limerick | 51.8°F | 50.2°F | 49.8°F |
| Cork | 51.0°F | 50.3°F | 49.8°F |
| Dublin | 49.4°F | 49.0°F | 48.7°F |
Charts below show average sea water temperature for Ireland resorts with the warmest sea in April.
jan
feb
mar
apr
may
jun
jul
aug
sep
oct
nov
dec
0
10
20
30
40
50
60
70
80
50.1
52.7
56
59
61
60.5
57.6
53.2
50.2
47.7
47.2
48.2
jan
feb
mar
apr
may
jun
jul
aug
sep
oct
nov
dec
0
10
20
30
40
50
60
70
80
49.4
52.7
56.4
59.3
61.2
60
57.3
53.1
49.2
46.5
46.6
47.3
jan
feb
mar
apr
may
jun
jul
aug
sep
oct
nov
dec
0
10
20
30
40
50
60
70
80
50.4
53.3
56.8
59.5
60.3
60.3
57.2
52.9
49.7
47.7
47.8
48.7
You can also check other months of the year to see sea temperature of Ireland resorts at that time.
