Average sea water temperature in October:
+66.7°F
| Minimum sea water temperature in October: | 72.1°F |
| Maximum sea water temperature in October: | 60.8°F |
Daily sea water temperature in October, °F
Show year:
2025
2024
2023
The average sea water temperature in October of 2025 was 65.6°F. The highest and lowest sea temperatures during the month were 71.4°F and 62.2°F.
Monthly sea water temperature in Cerkno, °F
Which Slovenia resorts have warmest sea in October?
| Place name | October 2025 | October 2024 |
|---|---|---|
| Portoroz | 67.1°F | 67.1°F |
| Piran | 67.1°F | 67.1°F |
| Strunjan | 67.0°F | 67.0°F |
| Isola | 66.9°F | 67.0°F |
| Koper | 66.9°F | 66.8°F |
| Cerkno | 65.6°F | 65.6°F |
| Bohinjsko Jezero | 65.4°F | 65.5°F |
| Dolenjske Toplice | 65.4°F | 65.2°F |
Best time for vacation in Cerkno
Cerkno on a weather map
Places in Slovenia:
Name
°F
24 Hours Forecast
Cerkno
Local time: 16:11
September 22, tuesday
1800
55°F
N
2 mph
2 mph
2100
46°F
SW
5 mph
5 mph
September 23, wednesday
0000
45°F
SW
3 mph
3 mph
0300
46°F
SW
3 mph
3 mph
0600
43°F
SW
4 mph
4 mph
0900
50°F
W
2 mph
2 mph
1200
57°F
N
5 mph
5 mph
1500
59°F
NE
5 mph
5 mph
