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Coldest sea in Ireland in February

169 coastal locations in Ireland ranked by typical February sea temperature, coldest first. Region-wide average in February: 9.0°C.

Coldest in February

Blackrock

7.7°C February mean in Ireland

Regional February average

9.0°C

across all 169 coastal locations in Ireland

Vs annual mean

-3.3°C

below the year-round regional average

What the Ireland sea feels like in February

This water is very cold and can cause pain. We don't recommend you swim in this temperature for anything other than very short swims of 5 to 10 minutes unless you are a very experienced cold water swimmer.

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 February fits in the year

February 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 February 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 February

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

# Location February mean
1 Blackrock County Louth 7.7°C
2 Soldiers Point County Louth 7.7°C
3 Drogheda 7.9°C
4 Dunany Point County Louth 8.0°C
5 Greenore County Louth 8.0°C
6 Balbriggan 8.2°C
7 Bettystown 8.2°C
8 Carlingford 8.2°C
9 Dundalk 8.2°C
10 Laytown 8.2°C
11 Rush 8.2°C
12 Skerries 8.2°C
13 An Ros County Dublin 8.3°C
14 River Boyne Entrance County Meath 8.3°C
15 Howth Harbour County Dublin 8.3°C
16 North Wall (Dublin) County Dublin 8.3°C
17 Blackrock 8.4°C
18 Bundoran 8.4°C
19 Clogherhead 8.4°C
20 Dalkey 8.4°C
21 Donabate 8.4°C
22 Dun Laoghaire 8.4°C
23 Forty Foot 8.4°C
24 Howth 8.4°C
25 Killiney 8.4°C
Show 25 more ▸
26 Malahide 8.4°C
27 Monkstown 8.4°C
28 Mullaghmore 8.4°C
29 Portmarnock 8.4°C
30 Portraine 8.4°C
31 Sandycove 8.4°C
32 Seapoint 8.4°C
33 Sligo 8.4°C
34 Ballysadare Bay County Sligo 8.4°C
35 Donegal 8.4°C
36 Killybegs 8.4°C
37 Bray 8.4°C
38 Dublin 8.4°C
39 Greystones 8.4°C
40 Ballyshannon County Donegal 8.4°C
41 Moville 8.5°C
42 Buncrana 8.5°C
43 Inishtrahull County Donegal 8.5°C
44 Bulbinbeg County Donegal 8.6°C
45 Malin Head County Donegal 8.6°C
46 Trawbreaga Bay County Donegal 8.6°C
47 Arklow 8.6°C
48 Wicklow 8.6°C
49 Cranford Bay County Donegal 8.6°C
50 Fanad Head County Donegal 8.6°C

Warmest 10 in Ireland in February

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

# Location February mean
1 Schull 9.8°C
2 Baltimore County Cork 9.8°C
3 Castletownshend County Cork 9.8°C
4 Crookhaven County Cork 9.8°C
5 Dunmanus County Cork 9.8°C
6 Bantry 9.8°C
7 Garretstown Beach 9.8°C
8 Kilbrittain 9.8°C
9 Kinsale 9.8°C
10 Clonakilty 9.7°C

More on this region