Swimming in Slovenia in november 2025 Sea temperature by city in november
Do you want to go to the beach in Slovenia in november 2025? Is it the right month to go for pleasant temperatures and staying in the water for a long time? The answer is on this page with the sea temperatures in november in Slovenia by city and our opinion on the chances of enjoying pleasant sea conditions.
Sea temperature in Slovenia in november 2025
Here, find the average sea temperature in Slovenia in november in several coastal cities.
61°F
min: 58°F / max: 65°F
Ankaran
61°F
min: 58°F / max: 65°F
61°F
min: 58°F / max: 64°F
Koper
61°F
min: 58°F / max: 64°F
Portorož
61°F
min: 58°F / max: 65°F
Where should you go swimming in Slovenia in the month of november?
Swimming in Slovenia in november is cold
In november in Slovenia swimming conditions are generally the same everywhere.
Swimming in november in Piran, Ankaran, Izola, Koper and Portorož is possible... with a wetsuit! Indeed, the water is cold at this time of year with an average temperature of 61°F (min: 58°F/max: 65°F).
Where to go swimming in Slovenia in november: the map of sea temperatures
ideal swimming 
pleasant swimming 
cool swimming 
cold swimming 
freezing swimmingWater temperature and seasonal norms in november
Piran
| November | |||
| Average sea temperature | 61°F | ||
| Minimum sea temperature | 58°F | ||
| Maximum sea temperature | 65°F | ||
| Average outside temperature | 50°F | ||
| Maximum outside temperature | 58°F | ||
| Minimum outside temperature | 45°F | ||
| Precipitation | 10.7in | ||
| Number of days of precipitation | 10 jour(s) (34%) | ||
| Cloud cover | 47% | ||
| Our opinion | cold swimming |
More information on swimming in Piran in november
Ankaran
| November | |||
| Average sea temperature | 61°F | ||
| Minimum sea temperature | 58°F | ||
| Maximum sea temperature | 65°F | ||
| Average outside temperature | 50°F | ||
| Maximum outside temperature | 58°F | ||
| Minimum outside temperature | 45°F | ||
| Precipitation | 10.7in | ||
| Number of days of precipitation | 10 jour(s) (34%) | ||
| Cloud cover | 47% | ||
| Our opinion | cold swimming |
Izola
| November | |||
| Average sea temperature | 61°F | ||
| Minimum sea temperature | 58°F | ||
| Maximum sea temperature | 64°F | ||
| Average outside temperature | 50°F | ||
| Maximum outside temperature | 58°F | ||
| Minimum outside temperature | 45°F | ||
| Precipitation | 10.7in | ||
| Number of days of precipitation | 10 jour(s) (34%) | ||
| Cloud cover | 47% | ||
| Our opinion | cold swimming |
More information on swimming in Izola in november
Koper
| November | |||
| Average sea temperature | 61°F | ||
| Minimum sea temperature | 58°F | ||
| Maximum sea temperature | 64°F | ||
| Average outside temperature | 50°F | ||
| Maximum outside temperature | 58°F | ||
| Minimum outside temperature | 45°F | ||
| Precipitation | 10.7in | ||
| Number of days of precipitation | 10 jour(s) (34%) | ||
| Cloud cover | 47% | ||
| Our opinion | cold swimming |
Portorož
| November | |||
| Average sea temperature | 61°F | ||
| Minimum sea temperature | 58°F | ||
| Maximum sea temperature | 65°F | ||
| Average outside temperature | 50°F | ||
| Maximum outside temperature | 58°F | ||
| Minimum outside temperature | 45°F | ||
| Precipitation | 10.7in | ||
| Number of days of precipitation | 10 jour(s) (34%) | ||
| Cloud cover | 47% | ||
| Our opinion | cold swimming |
List of coastal cities in Slovenia
| Piran in november | cold swimming |
| Ankaran in november | cold swimming |
| Izola in november | cold swimming |
| Koper in november | cold swimming |
| Portorož in november | cold swimming |