Average sea water temperature in January:
+50.9°F
| Minimum sea water temperature in January: | 54.9°F |
| Maximum sea water temperature in January: | 46.8°F |
Daily sea water temperature in January, °F
Show year:
2025
2024
2023
The average sea water temperature in January of 2025 was 50.6°F. The highest and lowest sea temperatures during the month were 52.0°F and 49.6°F.
Monthly sea water temperature in Isola, °F
Which Slovenia resorts have warmest sea in January?
| Place name | January 2025 | January 2024 |
|---|---|---|
| Dolenjske Toplice | 53.3°F | 54.6°F |
| Portoroz | 51.6°F | 52.8°F |
| Piran | 51.6°F | 52.8°F |
| Strunjan | 51.1°F | 52.4°F |
| Isola | 50.6°F | 52.1°F |
| Koper | 50.2°F | 51.8°F |
| Cerkno | 49.3°F | 50.3°F |
| Bohinjsko Jezero | 49.3°F | 50.2°F |
Best time for vacation in Isola
Isola on a weather map
Places in Slovenia:
Name
°F
24 Hours Forecast
Isola
Local time: 12:29
January 14, wednesday
1500

46°F
NE
2 mph
2 mph
1800

45°F
N
1 mph
1 mph
2100

39°F
N
1 mph
1 mph
January 15, thursday
0000

41°F
NW
1 mph
1 mph
0300

39°F
NW
1 mph
1 mph
0600

41°F
NW
1 mph
1 mph
0900

43°F
NE
1 mph
1 mph
1200

46°F
NE
1 mph
1 mph





























