Average sea water temperature in July:
+78.4°F
| Minimum sea water temperature in July: | 85.5°F |
| Maximum sea water temperature in July: | 72.3°F |
Daily sea water temperature in July, °F
Show year:
2025
2024
2023
The average sea water temperature in July of 2025 was 79.0°F. The highest and lowest sea temperatures during the month were 81.9°F and 76.8°F.
Monthly sea water temperature in Piran, °F
Which Slovenia resorts have warmest sea in July?
| Place name | July 2025 | July 2024 |
|---|---|---|
| Portoroz | 79.0°F | 80.4°F |
| Piran | 79.0°F | 80.4°F |
| Strunjan | 78.9°F | 80.2°F |
| Isola | 78.8°F | 80.0°F |
| Koper | 78.7°F | 80.2°F |
| Cerkno | 77.4°F | 77.8°F |
| Bohinjsko Jezero | 77.3°F | 77.6°F |
| Dolenjske Toplice | 76.3°F | 78.5°F |
Best time for vacation in Piran
Piran on a weather map
Places in Slovenia:
Name
°F
24 Hours Forecast
Piran
Local time: 15:11
December 16, tuesday
1800

50°F
W
4 mph
4 mph
2100

45°F
W
5 mph
5 mph
December 17, wednesday
0000

45°F
W
4 mph
4 mph
0300

46°F
W
4 mph
4 mph
0600

45°F
W
4 mph
4 mph
0900

45°F
W
3 mph
3 mph
1200

52°F
NW
3 mph
3 mph
1500

52°F
W
3 mph
3 mph


























