World Resorts Croatia Opatija Weather

Opatija Sea Temperature in July

Average sea water temperature in July:
+75.8°F
Minimum sea water temperature in July: 82.0°F
Maximum sea water temperature in July: 70.9°F

Daily sea water temperature in July, °F

Show year:
2026
2025
2024

The average sea water temperature in July of 2026 was 76.9°F. The highest and lowest sea temperatures during the month were 79.9°F and 75.0°F.

Monthly sea water temperature in Opatija, °F

Which Croatia resorts have warmest sea in July?

Place name July 2026 July 2025
Umag 80.3°F 79.4°F
Novigrad 80.2°F 79.3°F
Porec 80.1°F 79.0°F
Rovinj 80.0°F 78.8°F
Vrsar 80.0°F 78.8°F
Pula 79.1°F 77.8°F
Istria 78.9°F 77.9°F
Komiza 78.7°F 77.2°F
Lastovo 78.5°F 76.9°F
Mali Losinj 78.4°F 76.3°F
Dugi Otok 78.4°F 76.9°F
Medulin 78.1°F 76.8°F
Tucepi 78.1°F 77.1°F
Makarska 77.9°F 77.3°F
Kraljevica 77.9°F 76.3°F
Zadar 77.8°F 77.1°F
Crikvenica 77.8°F 76.4°F
Molat 77.7°F 76.0°F
Novalja 77.7°F 75.9°F
Hvar 77.6°F 76.4°F

Best time for vacation in Opatija

Sunniest months:
August 23 days
July 21 days
June 19 days
Warmest months:
August 79.9 °F
July 79.7 °F
June 75.7 °F
Warmest sea temp:
August 76.2 °F
July 75.8 °F
September 71.3 °F
Coldest months:
January 42.3 °F
February 44.2 °F
December 45.0 °F
Rainiest months:
May 7 days
November 6 days
July 6 days
Windiest months:
February 8.3 mph
March 7.9 mph
November 7.8 mph

Opatija on a weather map

Opatija
+73°F
N 2 mph
Feels like: +77°F
Precip.: 15%
Places in Croatia:
Name
°F
+79°F
+79°F
+82°F
+70°F
+81°F
+91°F
+75°F
+81°F
+77°F
+77°F
+73°F
+79°F
+81°F
+75°F
+73°F
24 Hours Forecast
Opatija
Local time: 12:36
August 25, tuesday
1500
73°F
NE
6 mph
1800
73°F
N
2 mph
2100
68°F
SW
4 mph
August 26, wednesday
0000
70°F
SW
6 mph
0300
70°F
SW
6 mph
0600
68°F
SW
8 mph
0900
72°F
SW
4 mph
1200
79°F
E
3 mph

Best place for vacation:

Units of measurement: °C / °F