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Coldest sea in Ireland in June

169 coastal locations in Ireland ranked by typical June sea temperature, coldest first. Region-wide average in June: 14.1°C.

Coldest in June

Moville

12.3°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.

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 coldest Ireland locations in June

Sorted by typical June mean from a decade of daily readings, coldest first. Click any place for the full location page.

# 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
11 Rathmullan County Donegal 13.2°C
12 Kish Bank County Dublin 13.3°C
13 Courtown County Wexford 13.4°C
14 Dunfanaghy County Donegal 13.4°C
15 Mulroy Bay (Bar) County Donegal 13.4°C
16 Sheep Haven County Donegal 13.4°C
17 Loch Garman County Wexford 13.4°C
18 Rosslare Europort County Wexford 13.4°C
19 Wexford Harbour County Wexford 13.4°C
20 Gweedore County Donegal 13.5°C
21 Inishbofin County Donegal 13.5°C
22 Tory Island County Donegal 13.5°C
23 Ballyglass (Broadhaven) County Mayo 13.5°C
24 Inishbiggle County Mayo 13.5°C
25 Blacksod Quay County Mayo 13.5°C
Show 25 more ▸
26 Belmullet 13.5°C
27 Rosslare Strand 13.6°C
28 Wexford 13.6°C
29 Achill Island 13.6°C
30 Carnsore Point County Wexford 13.6°C
31 Burtonport County Donegal 13.6°C
32 Inishbofin 13.7°C
33 Howth Harbour County Dublin 13.8°C
34 North Wall (Dublin) County Dublin 13.8°C
35 Loughros More Bay County Donegal 13.8°C
36 Killala Bay (Inishcrone) County Sligo 13.8°C
37 Bofin Harbour County Galway 13.8°C
38 Bray 13.9°C
39 Dublin 13.9°C
40 Greystones 13.9°C
41 Inishgort County Galway 13.9°C
42 Enniscrone 13.9°C
43 An Ros County Dublin 13.9°C
44 River Boyne Entrance County Meath 13.9°C
45 Great Saltee County Wexford 13.9°C
46 Clare Island County Mayo 13.9°C
47 Killary Harbour County Galway 13.9°C
48 Letterfrack County Galway 13.9°C
49 Roonah Quay County Mayo 13.9°C
50 Westport County Mayo 13.9°C

Warmest 10 in Ireland in June

Same data the other way. The warmest spots for the same month.

# 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

More on this region