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Warmest sea in Ireland in June

169 coastal locations in Ireland ranked by their typical June sea temperature. Region-wide average in June: 14.1°C. The top of the list is where to find the warmest swimming this month.

Warmest in June

Ardmore

15.1°C June mean in Ireland

Regional June average

14.1°C

across all 169 coastal locations in Ireland

Vs annual mean

+1.8°C

above the year-round regional average

What the Ireland sea feels like in June

Water at this temperature is cold and will feel very cold initially, but the body will get used to it and longer swims are possible. Experienced swimmers can manage several hours of swimming, however hypothermia is still a real risk.

Ireland monthly average 9.0°C to 16.0°C
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  • Warmest month August 16.0°C
  • Coldest month February 9.0°C
  • Annual mean 12.3°C
  • Months above 20°C 0 of 12

Where June fits in the year

June sits inside the regional pattern shown on the left. Pick a different month to see how the ranking shifts.

All twelve Ireland month rankings:

Ireland sea temperature map (live)

The map shows today's latest reading at every Ireland location. The list below is based on the typical June mean, useful for trip planning weeks or months ahead.

Zoom in to see individual locations. Click a pin for water temperatures. View list →
°C -2 0 1 3 5 7 9 11 13 15 17 19 21 24 27 30 35

Top 50 warmest Ireland locations in June

Sorted by the typical June mean built from a decade of daily readings at each location. Click any place for its 30-day chart, monthly profile, and full 10-year history.

# Location June mean
1 Ardmore 15.1°C
2 Youghal 15.0°C
3 Garryvoe 14.9°C
4 Garretstown Beach 14.9°C
5 Kilbrittain 14.9°C
6 Kinsale 14.9°C
7 Clonea 14.9°C
8 Dungarvan 14.9°C
9 Clonakilty 14.8°C
10 Ballycotton County Cork 14.8°C
11 Carrigaline 14.8°C
12 Cobh 14.8°C
13 Cork 14.8°C
14 Myrtleville 14.8°C
15 Passage West 14.8°C
16 Tramore 14.7°C
17 Bantry 14.7°C
18 Cork City County Cork 14.7°C
19 Crosshaven County Cork 14.7°C
20 Marino Point County Cork 14.7°C
21 Ringaskiddy County Cork 14.7°C
22 Roberts Cove County Cork 14.7°C
23 Aran Islands 14.6°C
24 Ballybunion 14.6°C
25 Kilkee 14.6°C
Show 25 more ▸
26 Kilrush 14.6°C
27 Castletownshend County Cork 14.6°C
28 Galway 14.6°C
29 Lahinch 14.6°C
30 Limerick 14.6°C
31 Salthill 14.6°C
32 Shannon 14.6°C
33 Spanish Point 14.6°C
34 Doolin 14.6°C
35 Schull 14.6°C
36 Fenit 14.6°C
37 Kerry 14.6°C
38 Tralee 14.6°C
39 Baltimore County Cork 14.6°C
40 Courtmacsherry County Cork 14.5°C
41 Carrigaholt County Clare 14.5°C
42 Tarbert Island County Kerry 14.5°C
43 Duncannon 14.5°C
44 Dunmore East 14.5°C
45 Waterford 14.5°C
46 Crookhaven County Cork 14.5°C
47 Dunmanus County Cork 14.5°C
48 Ballyheige County Kerry 14.5°C
49 Kilbaha Bay County Clare 14.5°C
50 Coney Island County Clare 14.5°C

Coldest 10 in Ireland in June

Same data the other way. Helpful if you want to know which Ireland coasts to avoid for swimming in June.

# Location June mean
1 Moville 12.3°C
2 Inishtrahull County Donegal 12.3°C
3 Buncrana 12.8°C
4 Bulbinbeg County Donegal 12.9°C
5 Malin Head County Donegal 12.9°C
6 Trawbreaga Bay County Donegal 12.9°C
7 Arklow 13.1°C
8 Wicklow 13.1°C
9 Cranford Bay County Donegal 13.2°C
10 Fanad Head County Donegal 13.2°C

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