Average sea water temperature in July:
+78.3°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:
2026
2025
2024
The average sea water temperature in July of 2026 was 79.6°F. The highest and lowest sea temperatures during the month were 84.0°F and 77.5°F.
Monthly sea water temperature in Isola, °F
Which Slovenia resorts have warmest sea in July?
| Place name | July 2026 | July 2025 |
|---|---|---|
| Portoroz | 80.0°F | 79.0°F |
| Piran | 80.0°F | 79.0°F |
| Strunjan | 79.8°F | 78.9°F |
| Isola | 79.6°F | 78.8°F |
| Koper | 79.5°F | 78.7°F |
| Cerkno | 78.4°F | 77.4°F |
| Bohinjsko Jezero | 78.4°F | 77.3°F |
| Dolenjske Toplice | 77.9°F | 76.3°F |
Best time for vacation in Isola
Isola on a weather map
Places in Slovenia:
Name
°F
24 Hours Forecast
Isola
Local time: 16:09
September 22, tuesday
1800
66°F
S
2 mph
2 mph
2100
57°F
W
4 mph
4 mph
September 23, wednesday
0000
55°F
W
6 mph
6 mph
0300
57°F
W
2 mph
2 mph
0600
54°F
W
4 mph
4 mph
0900
59°F
W
3 mph
3 mph
1200
66°F
SE
5 mph
5 mph
1500
66°F
SE
6 mph
6 mph
