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Coldest sea in United Kingdom in January

914 coastal locations in United Kingdom ranked by typical January sea temperature, coldest first. Region-wide average in January: 8.8°C.

Coldest in January

King's Lynn

5.8°C January mean in United Kingdom

Regional January average

8.8°C

across all 914 coastal locations in United Kingdom

Vs annual mean

-3.2°C

below the year-round regional average

What the United Kingdom sea feels like in January

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.

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 January fits in the year

January 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 January 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 United Kingdom locations in January

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

# Location January mean
1 King's Lynn Norfolk 5.8°C
2 New Hunstanton Norfolk 5.8°C
3 West Stones Norfolk 5.8°C
4 Wisbech Cambridgeshire 5.8°C
5 Heacham Norfolk 6.0°C
6 Hunstanton Norfolk 6.0°C
7 Annan Dumfries and Galloway 6.1°C
8 Glasson Cumbria 6.1°C
9 Torduff Point Dumfries and Galloway 6.1°C
10 Bassenthwaite Lake Cumbria 6.1°C
11 Buttermere Cumbria 6.1°C
12 Crummock Water Cumbria 6.1°C
13 Derwentwater Cumbria 6.1°C
14 Gretna Scotland 6.1°C
15 Maryport Cumbria 6.1°C
16 Brancaster Norfolk 6.3°C
17 Flimby England 6.3°C
18 Silloth England 6.3°C
19 Whitehaven Cumbria 6.3°C
20 Kirkconnell Dumfries and Galloway 6.4°C
21 Southerness Point Dumfries and Galloway 6.4°C
22 Rydal Water Cumbria 6.5°C
23 Ullswater Cumbria 6.5°C
24 Windermere Cumbria 6.5°C
25 Skegness England 6.5°C
Show 25 more ▸
26 Galgate Lancashire 6.5°C
27 Lancaster Lancashire 6.5°C
28 Preston Lancashire 6.5°C
29 River Lune Lancashire 6.5°C
30 Norwich Norfolk 6.6°C
31 Holkham Norfolk 6.6°C
32 Wells-next-the-Sea Norfolk 6.6°C
33 Caister-on-Sea Norfolk 6.7°C
34 Gorleston-on-Sea Norfolk 6.7°C
35 Great Yarmouth Norfolk 6.7°C
36 Hemsby Norfolk 6.7°C
37 Winterton-on-Sea Norfolk 6.7°C
38 Blakeney Harbour Norfolk 6.7°C
39 Great Yarmouth (Gorleston-On-Sea) Norfolk 6.7°C
40 Arnside Cumbria 6.8°C
41 Blackpool Lancashire 6.8°C
42 Cleveleys Lancashire 6.8°C
43 Coniston Water Cumbria 6.8°C
44 Fleetwood Lancashire 6.8°C
45 Grange-over-Sands Cumbria 6.8°C
46 Grasmere Cumbria 6.8°C
47 Heysham Lancashire 6.8°C
48 Lytham St Annes Lancashire 6.8°C
49 Morecambe Lancashire 6.8°C
50 Inner Dowsing Light Lincolnshire 6.8°C

Warmest 10 in United Kingdom in January

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

# Location January mean
1 Hallsands Devon 11.3°C
2 Lannacombe Beach Devon 11.3°C
3 Prawl Devon 11.3°C
4 Start Point Devon 11.3°C
5 Hope Cove Devon 11.3°C
6 Salcombe Devon 11.3°C
7 Portscatho Cornwall 11.2°C
8 Beesands Devon 11.1°C
9 Blackpool Devon 11.1°C
10 Blackpool Sands Devon 11.1°C

More on this region