Warmest sea in Norway

250 coastal locations in Norway ranked by their year-round average sea temperature. The regional average is 9.5°C. The top of the list shows where to find the warmest water in a typical year. The bottom shows the coldest year-round coasts of the region.

Warmest location

Sjolyststranda

17.5°C annual mean in Norway

Regional average

9.5°C

across all 250 Norway coastal locations

Warmest month

August

15.0°C region-wide average

Norway monthly average 5.0°C to 15.0°C

Warmest month August 15.0°C
Coldest month March 5.0°C
Annual mean 9.5°C
Months above 20°C 0 of 12

Month by month across Norway

Sea temperatures in Norway swing from 5.0°C in March to 15.0°C in August on average across every coast we track. That spread of 10°C hides much bigger swings at individual locations.

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

Norway sea temperature map

Today's pin colours show the latest daily reading at every Norway location we track. Pick any pin for the location's full page.

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 locations in Norway

The warmest coastal locations across all of Norway, sorted by year-round average. Click any place for its 30-day chart, monthly profile, and 10-year history.

#	Location	Country	Annual mean	Latest
1	Sjolyststranda	Norway	17.5°C	17.4°C
2	Ytre Skålevik Agder	Norway	10.8°C	10.1°C
3	Søgne Agder	Norway	10.8°C	9.6°C
4	Helgeroa Vestfold og Telemark	Norway	10.8°C	10.1°C
5	Nevlunghavn Vestfold og Telemark	Norway	10.8°C	10.1°C
6	Tregde Agder	Norway	10.8°C	9.3°C
7	Lillesand	Norway	10.7°C	10.1°C
8	Stavern	Norway	10.7°C	10.1°C
9	Arendal	Norway	10.7°C	10.0°C
10	Justvik	Norway	10.7°C	9.9°C
11	Kristiansand	Norway	10.7°C	9.9°C
12	Risor	Norway	10.7°C	9.9°C
13	Fevik	Norway	10.7°C	10.1°C
14	Grimstad	Norway	10.7°C	10.1°C
15	Årøysund Vestfold og Telemark	Norway	10.7°C	10.1°C
16	Larvik	Norway	10.7°C	10.1°C
17	Sandefjord	Norway	10.7°C	10.1°C
18	Tvedestrand	Norway	10.7°C	9.9°C
19	Kragero	Norway	10.7°C	10.0°C
20	Melsomvik	Norway	10.7°C	10.2°C
21	Åkrehamn Rogaland	Norway	10.6°C	8.7°C
22	Langesund	Norway	10.6°C	10.1°C
23	Osøyro Vestland	Norway	10.6°C	8.5°C
24	Porsgrunn	Norway	10.6°C	10.1°C
25	Rafnes	Norway	10.6°C	10.1°C

Show 25 more ▸

26	Storebø Vestland	Norway	10.6°C	8.5°C
27	Ågotnes Vestland	Norway	10.6°C	8.5°C
28	Mandal	Norway	10.6°C	9.0°C
29	Farsund	Norway	10.6°C	8.9°C
30	Skjærhalden Viken	Norway	10.6°C	10.3°C
31	Vestbygd	Norway	10.6°C	8.9°C
32	Ystabøhamn Rogaland	Norway	10.6°C	8.9°C
33	Viker Hvaler	Norway	10.6°C	10.1°C
34	Hjelmelandsvågen Rogaland	Norway	10.6°C	9.2°C
35	Hommersåk Rogaland	Norway	10.6°C	9.2°C
36	Jørpeland Rogaland	Norway	10.6°C	9.2°C
37	Risavika Rogaland	Norway	10.6°C	9.2°C
38	Vikevåg Rogaland	Norway	10.6°C	9.2°C
39	Asgardstrand	Norway	10.6°C	10.1°C
40	Flekkefjord	Norway	10.6°C	8.6°C
41	Horten	Norway	10.6°C	10.1°C
42	Tonsberg	Norway	10.6°C	10.1°C
43	Fredrikstad	Norway	10.6°C	10.3°C
44	Utsira	Norway	10.6°C	8.6°C
45	Eikelandsosen	Norway	10.5°C	8.6°C
46	Fitjar	Norway	10.5°C	8.6°C
47	Forsand	Norway	10.5°C	8.2°C
48	Larkollen	Norway	10.5°C	10.0°C
49	Leirvik	Norway	10.5°C	8.6°C
50	Lervik	Norway	10.5°C	10.0°C

Coldest 10 in Norway for contrast

Same data, sorted the other way. Useful if you want to know which Norway coasts stay coldest year-round.

#	Location	Country	Annual mean
1	Jan Mayen	Norway	2.2°C
2	Ny-Alesund	Norway	2.7°C
3	Dale	Norway	5.0°C
4	Varde	Norway	6.6°C
5	Kvalsund	Norway	6.6°C
6	Varangerbotn	Norway	6.7°C
7	Kirkenes	Norway	6.7°C
8	Vadso Troms og Finnmark	Norway	6.7°C
9	Batsfjord	Norway	6.7°C
10	Berlevag Troms og Finnmark	Norway	6.7°C