Average sea water temperature in August:
+78.4°F
| Minimum sea water temperature in August: | 84.6°F |
| Maximum sea water temperature in August: | 74.1°F |
Daily sea water temperature in August, °F
Show year:
2025
2024
2023
The average sea water temperature in August of 2025 was 76.9°F. The highest and lowest sea temperatures during the month were 79.5°F and 74.3°F.
Monthly sea water temperature in Isola, °F
Which Slovenia resorts have warmest sea in August?
| Place name | August 2025 | August 2024 |
|---|---|---|
| Portoroz | 77.2°F | 81.9°F |
| Piran | 77.2°F | 81.9°F |
| Strunjan | 77.1°F | 81.7°F |
| Isola | 76.9°F | 81.4°F |
| Koper | 76.7°F | 81.3°F |
| Bohinjsko Jezero | 76.2°F | 78.6°F |
| Cerkno | 76.1°F | 78.9°F |
| Dolenjske Toplice | 74.0°F | 78.8°F |
Best time for vacation in Isola
Isola on a weather map
Places in Slovenia:
Name
°F
24 Hours Forecast
Isola
Local time: 19:26
April 06, monday
2100
54°F
W
2 mph
2 mph
April 07, tuesday
0000
54°F
W
3 mph
3 mph
0300
52°F
W
3 mph
3 mph
0600
50°F
W
4 mph
4 mph
0900
61°F
W
2 mph
2 mph
1200
68°F
E
6 mph
6 mph
1500
68°F
E
6 mph
6 mph
1800
64°F
E
3 mph
3 mph
