Average sea water temperature in July:
+78.2°F
| Minimum sea water temperature in July: | 85.3°F |
| Maximum sea water temperature in July: | 73.4°F |
Daily sea water temperature in July, °F
Show year:
2025
2024
2023
The average sea water temperature in July of 2025 was 78.8°F. The highest and lowest sea temperatures during the month were 81.7°F and 76.6°F.
Monthly sea water temperature in Isola, °F
Which Slovenia resorts have warmest sea in July?
| Place name | July 2025 | July 2024 |
|---|---|---|
| Portoroz | 79.0°F | 80.4°F |
| Piran | 79.0°F | 80.4°F |
| Strunjan | 78.9°F | 80.2°F |
| Isola | 78.8°F | 80.0°F |
| Koper | 78.7°F | 80.2°F |
| Cerkno | 77.4°F | 77.8°F |
| Bohinjsko Jezero | 77.3°F | 77.6°F |
| Dolenjske Toplice | 76.3°F | 78.5°F |
Best time for vacation in Isola
Isola on a weather map
Places in Slovenia:
Name
°F
24 Hours Forecast
Isola
Local time: 12:20
March 17, tuesday
1500
55°F
SW
11 mph
11 mph
1800
52°F
SW
9 mph
9 mph
2100
48°F
W
11 mph
11 mph
March 18, wednesday
0000
46°F
SW
7 mph
7 mph
0300
45°F
SW
5 mph
5 mph
0600
39°F
S
5 mph
5 mph
0900
48°F
SW
9 mph
9 mph
1200
52°F
SW
12 mph
12 mph
