Average sea water temperature in May:
+62.5°F
| Minimum sea water temperature in May: | 71.4°F |
| Maximum sea water temperature in May: | 56.3°F |
Daily sea water temperature in May, °F
Show year:
2026
2025
2024
The average sea water temperature in May of 2026 was 62.4°F. The highest and lowest sea temperatures during the month were 68.5°F and 58.6°F.
Monthly sea water temperature in Opatija, °F
Which Croatia resorts have warmest sea in May?
| Place name | May 2026 | May 2025 |
|---|---|---|
| Umag | 65.5°F | 65.6°F |
| Novigrad | 65.5°F | 65.6°F |
| Porec | 65.2°F | 65.4°F |
| Vrsar | 64.8°F | 65.0°F |
| Rovinj | 64.8°F | 64.8°F |
| Plat | 64.8°F | 66.2°F |
| Mlini | 64.8°F | 66.2°F |
| Cavtat | 64.8°F | 66.2°F |
| Dubrovnik | 64.6°F | 66.1°F |
| Lastovo | 64.4°F | 65.7°F |
| Klek | 64.2°F | 65.5°F |
| Istria | 64.2°F | 64.2°F |
| Komiza | 64.2°F | 65.5°F |
| Sibenik | 63.9°F | 64.9°F |
| Korcula | 63.8°F | 65.2°F |
| Skradin | 63.8°F | 64.9°F |
| Pula | 63.7°F | 63.9°F |
| Trogir | 63.6°F | 65.4°F |
| Split | 63.6°F | 65.5°F |
| Tucepi | 63.6°F | 65.2°F |
Best time for vacation in Opatija
Opatija on a weather map
Places in Croatia:
Name
°F
24 Hours Forecast
Opatija
Local time: 05:17
June 15, monday
0600
57°F
SW
7 mph
7 mph
0900
66°F
SW
5 mph
5 mph
1200
70°F
N
2 mph
2 mph
1500
70°F
NW
2 mph
2 mph
1800
68°F
SW
6 mph
6 mph
2100
59°F
SW
8 mph
8 mph
June 16, tuesday
0000
57°F
SW
6 mph
6 mph
0300
55°F
SW
7 mph
7 mph
