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: 05:43
December 05, friday
0600
43°F
W
4 mph
4 mph
0900
45°F
W
4 mph
4 mph
1200
50°F
SW
5 mph
5 mph
1500
48°F
SW
6 mph
6 mph
1800
45°F
SW
7 mph
7 mph
2100
39°F
SW
6 mph
6 mph
December 06, saturday
0000
39°F
SW
6 mph
6 mph
0300
43°F
SW
6 mph
6 mph
