Best time to swim in Slovenia Sea temperature by month
Do you want to go to the seaside in Slovenia? But when should you go to be sure to enjoy good sea water temperature and be able to swim for a long time? Now or another month during the year? On this page, find the sea temperature by month in Slovenia.
Swimming in Slovenia by month
Discover swimming conditions in detail in Slovenia by month below. Click on the links for each month to see details about the sea temperature in the cities of: Piran, Ankaran, Izola, Koper and Portorož.
| Month | Average Sea temperature | Our opinion |
|---|---|---|
| January | 51°F to 51°F | freezing swimming |
| February | 49°F to 49°F | freezing swimming |
| March | 50°F to 51°F | freezing swimming |
| April | 56°F to 56°F | freezing swimming |
| May | 65°F to 65°F | cool swimming |
| June | 74°F | pleasant swimming |
| July | 77°F to 77°F | pleasant swimming |
| August | 77°F to 77°F | pleasant swimming |
| September | 74°F to 74°F | pleasant swimming |
| October | 67°F to 67°F | cool swimming |
| November | 61°F to 61°F | cold swimming |
| December | 56°F to 56°F | freezing swimming |
Where and when should you swim in Slovenia?
Best time to swim in Piran
The best months for swimming in Piran are june, july, august et september.
Best time to swim in Ankaran
The best months for swimming in Ankaran are june, july, august et september.
Best time to swim in Izola
The best months for swimming in Izola are june, july, august et september.
Best time to swim in Koper
The best months for swimming in Koper are june, july, august et september.
Best time to swim in Portorož
The best months for swimming in Portorož are june, july, august et september.
Water temperatures in Slovenia over the entire year
On this chart, we show you the variation of the average sea water temperature in Slovenia for the cities of: Piran, Ankaran, Izola, Koper and Portorož.