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Warmest sea in Norway in May

250 coastal locations in Norway ranked by their typical May sea temperature. Region-wide average in May: 8.5°C. The top of the list is where to find the warmest swimming this month.

Warmest in May

Sjolyststranda

16.6°C May mean in Norway

Regional May average

8.5°C

across all 250 coastal locations in Norway

Vs annual mean

-1.1°C

below the year-round regional average

What the Norway sea feels like in May

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.

Norway monthly average 5.0°C to 15.0°C
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  • Warmest month August 15.0°C
  • Coldest month March 5.0°C
  • Annual mean 9.5°C
  • Months above 20°C 0 of 12

Where May fits in the year

May sits inside the regional pattern shown on the left. Pick a different month to see how the ranking shifts.

All twelve Norway month rankings:

Norway sea temperature map (live)

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

Sorted by the typical May 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 May mean
1 Sjolyststranda 16.6°C
2 Melsomvik 11.4°C
3 Fredrikstad 11.4°C
4 Larvik 11.4°C
5 Sandefjord 11.4°C
6 Asgardstrand 11.3°C
7 Horten 11.3°C
8 Tonsberg 11.3°C
9 Stavern 11.3°C
10 Larkollen 11.3°C
11 Lervik 11.3°C
12 Moss 11.3°C
13 Oslofjord 11.3°C
14 Skjærhalden Viken 11.3°C
15 Årøysund Vestfold og Telemark 11.2°C
16 Langesund 11.2°C
17 Porsgrunn 11.2°C
18 Rafnes 11.2°C
19 Drobak 11.2°C
20 Fagerstrand 11.2°C
21 Lysaker 11.2°C
22 Nesoddtangen 11.2°C
23 Oslo 11.2°C
24 Sandvika 11.2°C
25 Selvik 11.2°C
Show 25 more ▸
26 Slemmestad 11.2°C
27 Svelvik 11.2°C
28 Tofte 11.2°C
29 Tomra 11.2°C
30 Viker Hvaler 11.2°C
31 Kragero 11.2°C
32 Helgeroa Vestfold og Telemark 11.2°C
33 Nevlunghavn Vestfold og Telemark 11.2°C
34 Risor 11.2°C
35 Åros Viken 11.1°C
36 Oscarsborg Frogn 11.1°C
37 Sætre Viken 11.1°C
38 Sjølyststranda Oslo 11.1°C
39 Tvedestrand 11.1°C
40 Arendal 10.9°C
41 Fevik 10.9°C
42 Grimstad 10.9°C
43 Lillesand 10.6°C
44 Ytre Skålevik Agder 10.6°C
45 Justvik 10.5°C
46 Kristiansand 10.5°C
47 Søgne Agder 10.3°C
48 Tregde Agder 10.2°C
49 Mandal 10.1°C
50 Farsund 9.9°C

Coldest 10 in Norway in May

Same data the other way. Helpful if you want to know which Norway coasts to avoid for swimming in May.

# Location May mean
1 Jan Mayen 0.7°C
2 Ny-Alesund 2.0°C
3 Vadso Troms og Finnmark 4.7°C
4 Varangerbotn 4.7°C
5 Varde 4.8°C
6 Kirkenes 4.8°C
7 Berlevag Troms og Finnmark 4.9°C
8 Havøysund Troms og Finnmark 4.9°C
9 Kjøllefjord Troms og Finnmark 5.0°C
10 Kvalsund 5.0°C

More on this region