In November warmest sea in Slovenia is usually observed in the following locations: Portoroz, Piran, Strunjan.
Table below shows the average sea water temperature for marine resorts of Slovenia in November for the last three years.
| Place name | November 2025 | November 2024 | November 2023 |
|---|---|---|---|
| Portoroz | 61.6°F | 62.8°F | 63.6°F |
| Piran | 61.6°F | 62.8°F | 63.6°F |
| Strunjan | 61.3°F | 62.5°F | 63.2°F |
| Isola | 61.0°F | 62.3°F | 62.9°F |
| Koper | 60.9°F | 62.1°F | 62.5°F |
| Dolenjske Toplice | 60.5°F | 61.8°F | 62.7°F |
| Cerkno | 59.4°F | 60.2°F | 60.2°F |
| Bohinjsko Jezero | 59.2°F | 60.0°F | 60.1°F |
Charts below show average sea water temperature for Slovenia resorts with the warmest sea in November.
You can also check other months of the year to see sea temperature of Slovenia resorts at that time.
Places in Slovenia:
Name
°F
