Average sea water temperature in January:
+51.3°F
| Minimum sea water temperature in January: | 55.4°F |
| Maximum sea water temperature in January: | 46.9°F |
Daily sea water temperature in January, °F
Show year:
2025
2024
2023
The average sea water temperature in January of 2025 was 51.6°F. The highest and lowest sea temperatures during the month were 53.2°F and 50.4°F.
Monthly sea water temperature in Piran, °F
Which Slovenia resorts have warmest sea in January?
| Place name | January 2026 | January 2025 |
|---|---|---|
| Dolenjske Toplice | 54.5°F | 53.3°F |
| Portoroz | 52.5°F | 51.6°F |
| Piran | 52.5°F | 51.6°F |
| Strunjan | 52.1°F | 51.1°F |
| Isola | 51.8°F | 50.6°F |
| Koper | 51.5°F | 50.2°F |
| Cerkno | 50.5°F | 49.3°F |
| Bohinjsko Jezero | 50.4°F | 49.3°F |
Best time for vacation in Piran
Piran on a weather map
Places in Slovenia:
Name
°F
24 Hours Forecast
Piran
Local time: 00:02
January 15, thursday
0300
39°F
NW
2 mph
2 mph
0600
41°F
NW
1 mph
1 mph
0900
43°F
N
1 mph
1 mph
1200
46°F
N
1 mph
1 mph
1500
48°F
E
1 mph
1 mph
1800
46°F
SW
1 mph
1 mph
2100
41°F
W
1 mph
1 mph
January 16, friday
0000
43°F
NW
1 mph
1 mph
