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Warmest sea in United Kingdom in July

914 coastal locations in United Kingdom ranked by their typical July sea temperature. Region-wide average in July: 15.7°C. The top of the list is where to find the warmest swimming this month.

Warmest in July

Avonmouth

18.7°C July mean in United Kingdom

Regional July average

15.7°C

across all 914 coastal locations in United Kingdom

Vs annual mean

+3.8°C

above the year-round regional average

What the United Kingdom 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.

United Kingdom monthly average 8.1°C to 16.5°C
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  • Warmest month August 16.5°C
  • Coldest month February 8.1°C
  • Annual mean 12.0°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 United Kingdom month rankings:

United Kingdom sea temperature map (live)

The map shows today's latest reading at every United Kingdom location. The list below is based on the typical July 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 United Kingdom locations in July

Sorted by the typical July 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 July mean
1 Avonmouth England 18.7°C
2 Berrow Somerset 18.7°C
3 Brean Somerset 18.7°C
4 Bristol England 18.7°C
5 Burnham-on-Sea Somerset 18.7°C
6 Cardiff Wales 18.7°C
7 Chepstow Wales 18.7°C
8 Chittening England 18.7°C
9 Goldcliff Wales 18.7°C
10 Highbridge England 18.7°C
11 Newport Wales 18.7°C
12 Penarth Wales 18.7°C
13 Redwick Wales 18.7°C
14 Severn Beach England 18.7°C
15 Bradwell on Sea Essex 18.7°C
16 Bramble Creek Essex 18.7°C
17 Burnham-on-Crouch Essex 18.7°C
18 Colchester Essex 18.7°C
19 Holliwell Point Essex 18.7°C
20 Maldon Essex 18.7°C
21 North Fambridge Essex 18.7°C
22 Osea Island Essex 18.7°C
23 Rochford Essex 18.7°C
24 Shivering Sand Essex 18.7°C
25 Tollesbury Essex 18.7°C
Show 25 more ▸
26 Whitaker Beacon Essex 18.7°C
27 Brightlingsea Essex 18.6°C
28 Canterbury Kent 18.6°C
29 Clacton-on-Sea Essex 18.6°C
30 Dovercourt Essex 18.6°C
31 Frinton-on-Sea Essex 18.6°C
32 Herne Bay Kent 18.6°C
33 Holland-on-Sea Essex 18.6°C
34 Jaywick Essex 18.6°C
35 Leigh-on-Sea Essex 18.6°C
36 Manningtree Essex 18.6°C
37 Mersea Island Essex 18.6°C
38 Mistley England 18.6°C
39 Shoeburyness Essex 18.6°C
40 Southend-on-Sea Essex 18.6°C
41 Tankerton England 18.6°C
42 West Mersea Essex 18.6°C
43 Whitstable Kent 18.6°C
44 Barry Wales 18.4°C
45 Clevedon Somerset 18.4°C
46 Kewstoke Somerset 18.4°C
47 Portishead Somerset 18.4°C
48 Pwll Du Bay Wales 18.4°C
49 Rogerstone Wales 18.4°C
50 Walton Bay Somerset 18.4°C

Coldest 10 in United Kingdom in July

Same data the other way. Helpful if you want to know which United Kingdom coasts to avoid for swimming in July.

# Location July mean
1 Kirkwall Scotland 12.3°C
2 Orkney Scotland 12.3°C
3 Sumburgh Scotland 12.3°C
4 Fair Isle Shetland Islands 12.3°C
5 Kettletoft Pier Orkney 12.3°C
6 Loth Orkney 12.3°C
7 Whitehall Orkney 12.3°C
8 Scalloway Shetland Islands 12.3°C
9 Pierowall Orkney 12.4°C
10 Rapness Orkney 12.4°C

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