Average sea water temperature in October:
+65.7°F
| Minimum sea water temperature in October: | 71.2°F |
| Maximum sea water temperature in October: | 61.0°F |
Daily sea water temperature in October, °F
Show year:
2026
2025
2024
The average sea water temperature in October of 2026 was 67.4°F. The highest and lowest sea temperatures during the month were 69.6°F and 65.5°F.
Monthly sea water temperature in Opatija, °F
Which Croatia resorts have warmest sea in October?
| Place name | October 2026 | October 2025 |
|---|---|---|
| Porec | 72.0°F | 67.4°F |
| Rovinj | 72.0°F | 67.7°F |
| Novigrad | 72.0°F | 67.4°F |
| Vrsar | 71.9°F | 67.5°F |
| Umag | 71.8°F | 67.4°F |
| Pula | 71.6°F | 67.9°F |
| Dugi Otok | 71.4°F | 67.9°F |
| Komiza | 71.2°F | 68.3°F |
| Lastovo | 71.1°F | 69.3°F |
| Hvar | 71.0°F | 68.7°F |
| Plat | 70.9°F | 68.9°F |
| Cavtat | 70.9°F | 69.0°F |
| Mlini | 70.9°F | 68.9°F |
| Dubrovnik | 70.8°F | 68.8°F |
| Stari Grad | 70.8°F | 68.5°F |
| Istria | 70.6°F | 66.8°F |
| Molat | 70.5°F | 67.4°F |
| Mali Losinj | 70.5°F | 67.2°F |
| Medulin | 70.4°F | 67.2°F |
| Korcula | 70.2°F | 68.6°F |
Best time for vacation in Opatija
Opatija on a weather map
Places in Croatia:
Name
°F
24 Hours Forecast
Opatija
Local time: 18:27
October 24, saturday
2100
50°F
SW
11 mph
11 mph
October 25, sunday
0000
50°F
SW
14 mph
14 mph
0300
46°F
SW
11 mph
11 mph
0600
46°F
SW
9 mph
9 mph
0900
52°F
SW
7 mph
7 mph
1200
57°F
SE
2 mph
2 mph
1500
57°F
N
4 mph
4 mph
1800
54°F
SW
3 mph
3 mph
