Swimming in Slovenia in march 2025 Sea temperature by city in march

Do you want to go to the beach in Slovenia in march 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 march in Slovenia by city and our opinion on the chances of enjoying pleasant sea conditions.

Sea temperature in Slovenia in march 2025

Here, find the average sea temperature in Slovenia in march in several coastal cities.

on average:

50°F

min: 47°F / max: 55°F

Ankaran

on average:

51°F

min: 47°F / max: 55°F

on average:

51°F

min: 47°F / max: 54°F

Koper

on average:

50°F

min: 47°F / max: 54°F

Portorož

on average:

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 swimming

Water 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 marchfreezing swimming
Ankaran in marchfreezing swimming
Izola in marchfreezing swimming
Koper in marchfreezing swimming
Portorož in marchfreezing swimming
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