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

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

Sea temperature in Slovenia in june 2025

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

on average:

74°F

min: 67°F / max: 80°F

Ankaran

on average:

74°F

min: 67°F / max: 80°F

on average:

74°F

min: 67°F / max: 80°F

Koper

on average:

74°F

min: 67°F / max: 80°F

Portorož

on average:

74°F

min: 67°F / max: 80°F

Where should you go swimming in Slovenia in the month of june?

Swimming in Slovenia in june is pleasant

In june in Slovenia swimming conditions are generally the same everywhere.

As for Piran, Ankaran, Izola, Koper and Portorož, swimming is pleasant in june. The sea water is 74°F on average (min: 67°F/max: 80°F) so you can easily spend time in the water.

Where to go swimming in Slovenia in june: the map of sea temperatures

ideal swimming pleasant swimming cool swimming cold swimming freezing swimming

Water temperature and seasonal norms in june

Piran

June
Average sea temperature 74°F
Minimum sea temperature 67°F
Maximum sea temperature 80°F
Average outside temperature 74°F
Maximum outside temperature 79°F
Minimum outside temperature 68°F
Precipitation 8.1in
Number of days of precipitation 11 jour(s)
(35%)
Cloud cover 25%
Our opinion pleasant swimming

More information on swimming in Piran in june

Ankaran

June
Average sea temperature 74°F
Minimum sea temperature 67°F
Maximum sea temperature 80°F
Average outside temperature 74°F
Maximum outside temperature 79°F
Minimum outside temperature 68°F
Precipitation 8.1in
Number of days of precipitation 11 jour(s)
(35%)
Cloud cover 25%
Our opinion pleasant swimming

Izola

June
Average sea temperature 74°F
Minimum sea temperature 67°F
Maximum sea temperature 80°F
Average outside temperature 74°F
Maximum outside temperature 79°F
Minimum outside temperature 68°F
Precipitation 8.1in
Number of days of precipitation 11 jour(s)
(35%)
Cloud cover 25%
Our opinion pleasant swimming

More information on swimming in Izola in june

Koper

June
Average sea temperature 74°F
Minimum sea temperature 67°F
Maximum sea temperature 80°F
Average outside temperature 74°F
Maximum outside temperature 79°F
Minimum outside temperature 68°F
Precipitation 8.1in
Number of days of precipitation 11 jour(s)
(35%)
Cloud cover 25%
Our opinion pleasant swimming

Portorož

June
Average sea temperature 74°F
Minimum sea temperature 67°F
Maximum sea temperature 80°F
Average outside temperature 74°F
Maximum outside temperature 79°F
Minimum outside temperature 68°F
Precipitation 8.1in
Number of days of precipitation 11 jour(s)
(35%)
Cloud cover 25%
Our opinion pleasant swimming

List of coastal cities in Slovenia

Piran in junepleasant swimming
Ankaran in junepleasant swimming
Izola in junepleasant swimming
Koper in junepleasant swimming
Portorož in junepleasant swimming
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