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Coldest sea in Ireland in November

169 coastal locations in Ireland ranked by typical November sea temperature, coldest first. Region-wide average in November: 12.2°C.

Coldest in November

Blackrock

11.5°C November mean in Ireland

Regional November average

12.2°C

across all 169 coastal locations in Ireland

Vs annual mean

-0.0°C

below the year-round regional average

What the Ireland sea feels like in November

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 November fits in the year

November 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 November 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 November

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

# Location November mean
1 Blackrock County Louth 11.5°C
2 Soldiers Point County Louth 11.5°C
3 Drogheda 11.5°C
4 Bundoran 11.7°C
5 Mullaghmore 11.7°C
6 Sligo 11.7°C
7 Donegal 11.7°C
8 Killybegs 11.7°C
9 Balbriggan 11.9°C
10 Bettystown 11.9°C
11 Carlingford 11.9°C
12 Dundalk 11.9°C
13 Enniscrone 11.9°C
14 Laytown 11.9°C
15 Rush 11.9°C
16 Skerries 11.9°C
17 Ballysadare Bay County Sligo 11.9°C
18 Buncrana 11.9°C
19 Roundstone 11.9°C
20 Dunany Point County Louth 12.0°C
21 Greenore County Louth 12.0°C
22 Ballyshannon County Donegal 12.0°C
23 Inishbofin 12.0°C
24 Achill Island 12.0°C
25 Glengarriff 12.0°C
Show 25 more ▸
26 Kenmare 12.0°C
27 Clifden 12.0°C
28 Dunfanaghy County Donegal 12.0°C
29 Mulroy Bay (Bar) County Donegal 12.0°C
30 Sheep Haven County Donegal 12.0°C
31 Ballycrovane Harbour County Cork 12.0°C
32 Castletown Bearhaven County Cork 12.0°C
33 Castletownbere County Cork 12.0°C
34 Galway 12.0°C
35 Gweedore County Donegal 12.0°C
36 Inishbofin County Donegal 12.0°C
37 Lahinch 12.0°C
38 Limerick 12.0°C
39 Salthill 12.0°C
40 Shannon 12.0°C
41 Spanish Point 12.0°C
42 Tory Island County Donegal 12.0°C
43 Clare Island County Mayo 12.0°C
44 Cranford Bay County Donegal 12.0°C
45 Fanad Head County Donegal 12.0°C
46 Killary Harbour County Galway 12.0°C
47 Letterfrack County Galway 12.0°C
48 Rathmullan County Donegal 12.0°C
49 Roonah Quay County Mayo 12.0°C
50 Westport County Mayo 12.0°C

Warmest 10 in Ireland in November

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

# Location November mean
1 Kilmore Quay 13.0°C
2 Rosslare Strand 12.9°C
3 Wexford 12.9°C
4 Carnsore Point County Wexford 12.9°C
5 Kish Bank County Dublin 12.9°C
6 Duncannon 12.9°C
7 Dunmore East 12.9°C
8 Great Saltee County Wexford 12.8°C
9 Loch Garman County Wexford 12.8°C
10 Rosslare Europort County Wexford 12.8°C

More on this region