Skip to content
seatemperatures.net

Coldest sea in Ireland in July

169 coastal locations in Ireland ranked by typical July sea temperature, coldest first. Region-wide average in July: 15.5°C.

Coldest in July

Moville

13.9°C July mean in Ireland

Regional July average

15.5°C

across all 169 coastal locations in Ireland

Vs annual mean

+3.3°C

above the year-round regional average

What the Ireland sea feels like in July

At this temperature, water will feel cold compared to a swimming pool, but with a bit of experience and practice most people will find the water relatively comfortable to swim in.

Ireland monthly average 9.0°C to 16.0°C
J
F
M
A
M
J
J
A
S
O
N
D
  • 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 July fits in the year

July 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 July 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 July

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

# Location July mean
1 Moville 13.9°C
2 Inishtrahull County Donegal 14.0°C
3 Buncrana 14.4°C
4 Bulbinbeg County Donegal 14.5°C
5 Malin Head County Donegal 14.5°C
6 Trawbreaga Bay County Donegal 14.5°C
7 Arklow 14.6°C
8 Wicklow 14.6°C
9 Belmullet 14.8°C
10 Ballyglass (Broadhaven) County Mayo 14.8°C
11 Inishbiggle County Mayo 14.8°C
12 Cranford Bay County Donegal 14.8°C
13 Fanad Head County Donegal 14.8°C
14 Rathmullan County Donegal 14.8°C
15 Achill Island 14.8°C
16 Blacksod Quay County Mayo 14.8°C
17 Loch Garman County Wexford 14.8°C
18 Rosslare Europort County Wexford 14.8°C
19 Wexford Harbour County Wexford 14.8°C
20 Kish Bank County Dublin 14.8°C
21 Gweedore County Donegal 14.9°C
22 Inishbofin County Donegal 14.9°C
23 Tory Island County Donegal 14.9°C
24 Courtown County Wexford 14.9°C
25 Dunfanaghy County Donegal 14.9°C
Show 25 more ▸
26 Mulroy Bay (Bar) County Donegal 14.9°C
27 Rosslare Strand 14.9°C
28 Sheep Haven County Donegal 14.9°C
29 Wexford 14.9°C
30 Carnsore Point County Wexford 15.0°C
31 Burtonport County Donegal 15.0°C
32 Inishbofin 15.0°C
33 Enniscrone 15.2°C
34 Great Saltee County Wexford 15.2°C
35 Howth Harbour County Dublin 15.2°C
36 North Wall (Dublin) County Dublin 15.2°C
37 Loughros More Bay County Donegal 15.2°C
38 Killala Bay (Inishcrone) County Sligo 15.2°C
39 Inishgort County Galway 15.3°C
40 Clifden 15.3°C
41 An Ros County Dublin 15.3°C
42 River Boyne Entrance County Meath 15.3°C
43 Bofin Harbour County Galway 15.3°C
44 Dunany Point County Louth 15.3°C
45 Greenore County Louth 15.3°C
46 Ballinskelligs Bay County Kerry 15.3°C
47 Cahersiveen County Kerry 15.3°C
48 Waterville County Kerry 15.3°C
49 Donegal 15.3°C
50 Killybegs 15.3°C

Warmest 10 in Ireland in July

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

# Location July mean
1 Ardmore 16.6°C
2 Youghal 16.5°C
3 Garretstown Beach 16.4°C
4 Kilbrittain 16.4°C
5 Kinsale 16.4°C
6 Garryvoe 16.4°C
7 Clonakilty 16.3°C
8 Clonea 16.3°C
9 Dungarvan 16.3°C
10 Ballycotton County Cork 16.3°C

More on this region