Swimming in Slovenia in march 2026 Sea temperature by city in march
Do you want to go to the beach in Slovenia in march 2026? 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 march in Slovenia by city and our opinion on the chances of enjoying pleasant sea conditions.
Sea temperature in Slovenia in march 2026
Here, find the average sea temperature in Slovenia in march in several coastal cities.
50°F
min: 47°F / max: 55°F
Ankaran
51°F
min: 47°F / max: 55°F
51°F
min: 47°F / max: 54°F
Koper
50°F
min: 47°F / max: 54°F
Portorož
50°F
min: 47°F / max: 54°F
Where should you go swimming in Slovenia in the month of march?
Swimming in Slovenia in march is freezing
In march in Slovenia swimming conditions are generally the same everywhere.
Forget about swimming in Piran, Ankaran, Izola, Koper and Portorož in march! The water temperature is freezing, reaching as low as 47°F (and only 55°F at the best of times). Our advice: plan on sightseeing, and don't bring your beach towel!
Where to go swimming in Slovenia in march: the map of sea temperatures
ideal swimming 
pleasant swimming 
cool swimming 
cold swimming 
freezing swimmingWater temperature and seasonal norms in march
Piran
| March | |||
| Average sea temperature | 50°F | ||
| Minimum sea temperature | 47°F | ||
| Maximum sea temperature | 55°F | ||
| Average outside temperature | 49°F | ||
| Maximum outside temperature | 56°F | ||
| Minimum outside temperature | 41°F | ||
| Precipitation | 6.8in | ||
| Number of days of precipitation | 8 jour(s) (25%) | ||
| Cloud cover | 40% | ||
| Our opinion | freezing swimming |
More information on swimming in Piran in march
Ankaran
| March | |||
| Average sea temperature | 51°F | ||
| Minimum sea temperature | 47°F | ||
| Maximum sea temperature | 55°F | ||
| Average outside temperature | 49°F | ||
| Maximum outside temperature | 56°F | ||
| Minimum outside temperature | 41°F | ||
| Precipitation | 6.8in | ||
| Number of days of precipitation | 8 jour(s) (25%) | ||
| Cloud cover | 40% | ||
| Our opinion | freezing swimming |
Izola
| March | |||
| Average sea temperature | 51°F | ||
| Minimum sea temperature | 47°F | ||
| Maximum sea temperature | 54°F | ||
| Average outside temperature | 49°F | ||
| Maximum outside temperature | 56°F | ||
| Minimum outside temperature | 41°F | ||
| Precipitation | 6.8in | ||
| Number of days of precipitation | 8 jour(s) (25%) | ||
| Cloud cover | 40% | ||
| Our opinion | freezing swimming |
More information on swimming in Izola in march
Koper
| March | |||
| Average sea temperature | 50°F | ||
| Minimum sea temperature | 47°F | ||
| Maximum sea temperature | 54°F | ||
| Average outside temperature | 49°F | ||
| Maximum outside temperature | 56°F | ||
| Minimum outside temperature | 41°F | ||
| Precipitation | 6.8in | ||
| Number of days of precipitation | 8 jour(s) (25%) | ||
| Cloud cover | 40% | ||
| Our opinion | freezing swimming |
Portorož
| March | |||
| Average sea temperature | 50°F | ||
| Minimum sea temperature | 47°F | ||
| Maximum sea temperature | 54°F | ||
| Average outside temperature | 49°F | ||
| Maximum outside temperature | 56°F | ||
| Minimum outside temperature | 41°F | ||
| Precipitation | 6.8in | ||
| Number of days of precipitation | 8 jour(s) (25%) | ||
| Cloud cover | 40% | ||
| Our opinion | freezing swimming |
List of coastal cities in Slovenia
| Piran in march | freezing swimming |
| Ankaran in march | freezing swimming |
| Izola in march | freezing swimming |
| Koper in march | freezing swimming |
| Portorož in march | freezing swimming |