Average sea water temperature in April:
+55.7°F
| Minimum sea water temperature in April: | 62.8°F |
| Maximum sea water temperature in April: | 48.6°F |
Daily sea water temperature in April, °F
Show year:
2026
2025
2024
The average sea water temperature in April of 2026 was 56.2°F. The highest and lowest sea temperatures during the month were 59.9°F and 51.8°F.
Monthly sea water temperature in Cerkno, °F
Which Slovenia resorts have warmest sea in April?
| Place name | April 2026 | April 2025 |
|---|---|---|
| Portoroz | 57.0°F | 56.5°F |
| Piran | 57.0°F | 56.5°F |
| Strunjan | 56.8°F | 56.3°F |
| Dolenjske Toplice | 56.7°F | 56.6°F |
| Isola | 56.5°F | 56.2°F |
| Bohinjsko Jezero | 56.3°F | 56.2°F |
| Koper | 56.3°F | 56.1°F |
| Cerkno | 56.2°F | 56.1°F |
Best time for vacation in Cerkno
Cerkno on a weather map
Places in Slovenia:
Name
°F
24 Hours Forecast
Cerkno
Local time: 02:42
May 22, friday
0300
48°F
S
4 mph
4 mph
0600
48°F
S
4 mph
4 mph
0900
59°F
SW
2 mph
2 mph
1200
66°F
NW
2 mph
2 mph
1500
68°F
NW
2 mph
2 mph
1800
64°F
NW
2 mph
2 mph
2100
54°F
W
3 mph
3 mph
May 23, saturday
0000
48°F
S
4 mph
4 mph
