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Coldest sea in Sweden

118 coastal locations in Sweden ranked by year-round average sea temperature, coldest first. The regional average is 9.3°C. The top of the list is where the water stays cold all year. The contrast list at the bottom shows the warmest coasts for context.

Coldest location

Skelleftehamn

Year-round average 6.0°C in Sweden

Regional average

9.3°C

across all 118 Sweden coastal locations

Coldest month

February

2.4°C region-wide average

Sweden monthly average 2.4°C to 17.4°C
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  • Warmest month August 17.4°C
  • Coldest month February 2.4°C
  • Annual mean 9.2°C
  • Months above 20°C 0 of 12

Month by month across Sweden

Sea temperatures in Sweden swing from 2.4°C in February to 17.4°C in August on average across every coast we track. That spread of 15°C hides much bigger swings at individual locations.

Want a specific month? Pick one for a dedicated ranking:

Sweden sea temperature map

Today's pin colours show the latest daily reading at every Sweden location we track. Cool blues cluster around the high-latitude coasts.

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 locations in Sweden

Coastal locations across Sweden sorted by year-round average, coldest first. Honest cold-water swimming country. Click any place for its 30-day chart, monthly profile, and 10-year history.

# Location Annual mean
1 Skelleftehamn 6.0°C
2 Ursviken 6.0°C
3 Kalix 6.2°C
4 Rolfs 6.2°C
5 Gammelstad 6.2°C
6 Lulea 6.2°C
7 Haparanda 6.2°C
8 Piteå Norrbottens län 6.3°C
9 Töre Norrbottens län 6.3°C
10 Södra Sunderbyn Norrbottens län 6.3°C
11 Taftea 6.8°C
12 Holmsund 7.0°C
13 Obbola 7.0°C
14 Hudiksvall 7.2°C
15 Iggesund 7.2°C
16 Nordmaling 7.2°C
17 Sandarne 7.3°C
18 Kramfors 7.3°C
19 Harnosand 7.3°C
20 Ljusne 7.3°C
21 Ornskoldsvik 7.3°C
22 Stockvik 7.3°C
23 Sundsbruk 7.3°C
24 Sundsvall 7.3°C
25 Husum 7.3°C
Show 25 more ▸
26 Norrsundet 7.4°C
27 Alunda 7.6°C
28 Marielund 7.7°C
29 Sandhamn 8.3°C
30 Brevik 8.8°C
31 Oestermalm 8.8°C
32 Saltsjobaden 8.8°C
33 Stockholm 8.8°C
34 Vaxholm 8.8°C
35 Mörtnäs Stockholms län 8.9°C
36 Östermalm Stockholms län 8.9°C
37 Pershagen 8.9°C
38 Nykoping 8.9°C
39 Bara Södermanlands län 8.9°C
40 Marieberg 9.0°C
41 Oxelosund 9.0°C
42 Trosa 9.1°C
43 Nynashamn 9.1°C
44 Vaestervik 9.2°C
45 Karlsborg Lake Vattern 9.4°C
46 Motala Lake Vattern 9.4°C
47 Oskarshamn 9.4°C
48 Vadstena Lake Vattern 9.4°C
49 Borgholm 9.4°C
50 Timmernabben 9.4°C

Warmest 10 in Sweden for contrast

Same data flipped. Useful if you want to know which Sweden coasts stay warmest year-round before you commit to a cold-water swim trip.

# Location Annual mean
1 Smögen Västra Götalands län 10.7°C
2 Strömstad Västra Götalands län 10.6°C
3 Höganäs Skåne län 10.6°C
4 Träslövsläge Hallands län 10.6°C
5 Hönö Västra Götalands län 10.6°C
6 Öckerö Västra Götalands län 10.6°C
7 Rydebäck Skåne län 10.6°C
8 Falkenberg 10.6°C
9 Frillesås Hallands län 10.6°C
10 Helsingborg 10.6°C

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