







Leaflet | Tiles © Esri
In January warmest sea in Slovenia is usually observed in the following locations: Dolenjske Toplice, Portoroz, Piran.
Table below shows the average sea water temperature for marine resorts of Slovenia in January for the last three years.
Place name | January 2025 | January 2024 | January 2023 |
---|---|---|---|
Dolenjske Toplice | 53.3°F | 54.6°F | 54.0°F |
Portoroz | 51.6°F | 52.8°F | 52.8°F |
Piran | 51.6°F | 52.8°F | 52.8°F |
Strunjan | 51.1°F | 52.4°F | 52.5°F |
Isola | 50.6°F | 52.1°F | 52.2°F |
Koper | 50.2°F | 51.8°F | 52.0°F |
Cerkno | 49.3°F | 50.3°F | 51.3°F |
Bohinjsko Jezero | 49.3°F | 50.2°F | 51.2°F |
Charts below show average sea water temperature for Slovenia resorts with the warmest sea in January.
jan
feb
mar
apr
may
jun
jul
aug
sep
oct
nov
dec
0
13
26
39
52
65
78
91
56.2
60.9
65.4
71.2
76.2
75.9
71.1
62.4
55.4
51.8
51.3
53.1
jan
feb
mar
apr
may
jun
jul
aug
sep
oct
nov
dec
0
13
26
39
52
65
78
91
104
55.7
61.7
67.5
74.1
78.7
78.3
73.4
64.2
55.9
50.7
49.3
51.2
jan
feb
mar
apr
may
jun
jul
aug
sep
oct
nov
dec
0
13
26
39
52
65
78
91
104
55.7
61.7
67.5
74.1
78.7
78.3
73.4
64.2
55.9
50.7
49.3
51.2
You can also check other months of the year to see sea temperature of Slovenia resorts at that time.
Places in Slovenia:
Name
°F