Average sea water temperature in April:
+55.8°F
| Minimum sea water temperature in April: | 63.7°F |
| Maximum sea water temperature in April: | 49.6°F |
Daily sea water temperature in April, °F
Show year:
2025
2024
2023
The average sea water temperature in April of 2025 was 56.2°F. The highest and lowest sea temperatures during the month were 61.5°F and 52.3°F.
Monthly sea water temperature in Isola, °F
Which Slovenia resorts have warmest sea in April?
| Place name | April 2025 | April 2024 |
|---|---|---|
| Dolenjske Toplice | 56.6°F | 58.4°F |
| Portoroz | 56.5°F | 58.7°F |
| Piran | 56.5°F | 58.7°F |
| Strunjan | 56.3°F | 58.4°F |
| Bohinjsko Jezero | 56.2°F | 57.1°F |
| Isola | 56.2°F | 58.2°F |
| Koper | 56.1°F | 58.0°F |
| Cerkno | 56.1°F | 57.1°F |
Best time for vacation in Isola
Isola on a weather map
Places in Slovenia:
Name
°F
24 Hours Forecast
Isola
Local time: 18:54
December 21, sunday
2100
41°F
W
4 mph
4 mph
December 22, monday
0000
39°F
W
5 mph
5 mph
0300
39°F
W
5 mph
5 mph
0600
41°F
W
4 mph
4 mph
0900
43°F
W
4 mph
4 mph
1200
48°F
W
3 mph
3 mph
1500
50°F
SW
3 mph
3 mph
1800
50°F
W
3 mph
3 mph
