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Coldest sea in Croatia

234 coastal locations in Croatia ranked by year-round average sea temperature, coldest first. The regional average is 18.8°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

Bakar

Year-round average 16.9°C in Croatia

Regional average

18.8°C

across all 234 Croatia coastal locations

Coldest month

March

13.2°C region-wide average

Croatia monthly average 13.2°C to 25.7°C
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  • Warmest month August 25.7°C
  • Coldest month March 13.2°C
  • Annual mean 18.8°C
  • Months above 20°C 5 of 12

Month by month across Croatia

Sea temperatures in Croatia swing from 13.2°C in March to 25.7°C in August on average across every coast we track. That spread of 12°C hides much bigger swings at individual locations.

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

Croatia sea temperature map

Today's pin colours show the latest daily reading at every Croatia 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 Croatia

Coastal locations across Croatia 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 Bakar 16.9°C
2 Kraljevica 16.9°C
3 Moscenicka Draga 16.9°C
4 Cres 17.1°C
5 Lovran 17.1°C
6 Martinscica 17.1°C
7 Matulji 17.1°C
8 Medveja 17.1°C
9 Opatija 17.1°C
10 Rijeka 17.1°C
11 Valun 17.1°C
12 Losinj 17.6°C
13 Mali Losinj 17.6°C
14 Nerezine 17.6°C
15 Cizici 17.7°C
16 Crikvenica 17.7°C
17 Dramalj 17.7°C
18 Jadranovo 17.7°C
19 Klenovica 17.7°C
20 Klimno 17.7°C
21 Krk 17.7°C
22 Malinska 17.7°C
23 Njivice 17.7°C
24 Novi Vinodolski 17.7°C
25 Omisalj 17.7°C
Show 25 more ▸
26 Povile 17.7°C
27 Punat 17.7°C
28 Selce 17.7°C
29 Soline 17.7°C
30 Vrbnik 17.7°C
31 Kanegra 17.8°C
32 Katoro 17.8°C
33 Monterol 17.8°C
34 Novigrad 17.8°C
35 Savudrija 17.8°C
36 Umag 17.8°C
37 Zambratija 17.8°C
38 Basanija 17.8°C
39 Brsec 17.9°C
40 Labin 17.9°C
41 Rabac 17.9°C
42 Istria 18.0°C
43 Lopar 18.1°C
44 Paradise Beach 18.1°C
45 San Marino 18.1°C
46 Silba 18.1°C
47 Stara Baska 18.1°C
48 Supetarska Draga 18.1°C
49 Baska 18.1°C
50 Cesarica 18.1°C

Warmest 10 in Croatia for contrast

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

# Location Annual mean
1 Prevlaka 19.8°C
2 Dubrovnik (Luka Gruz) Dubrovačko-neretvanska županija 19.8°C
3 Zaton Dubrovačko-neretvanska županija 19.8°C
4 Molunat 19.8°C
5 Cavtat 19.7°C
6 Dubrovnik 19.7°C
7 Kolocep Island 19.7°C
8 Kupari 19.7°C
9 Mlini 19.7°C
10 Mokosica 19.7°C

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