Average sea water temperature in April:
+56.1°F
| Minimum sea water temperature in April: | 64.4°F |
| Maximum sea water temperature in April: | 49.6°F |
Daily sea water temperature in April, °F
Show year:
2026
2025
2024
The average sea water temperature in April of 2026 was 57.0°F. The highest and lowest sea temperatures during the month were 62.2°F and 52.7°F.
Monthly sea water temperature in Piran, °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 Piran
Piran on a weather map
Places in Slovenia:
Name
°F
24 Hours Forecast
Piran
Local time: 02:58
June 11, thursday
0300
55°F
W
7 mph
7 mph
0600
52°F
W
7 mph
7 mph
0900
61°F
SW
9 mph
9 mph
1200
68°F
SW
12 mph
12 mph
1500
64°F
SW
14 mph
14 mph
1800
68°F
SW
13 mph
13 mph
2100
59°F
SW
9 mph
9 mph
June 12, friday
0000
54°F
SW
6 mph
6 mph
