World Resorts Slovenia Portoroz Weather

Portoroz Sea Temperature in July

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:
2026
2025
2024

The average sea water temperature in July of 2026 was 80.4°F. The highest and lowest sea temperatures during the month were 84.0°F and 77.7°F.

Monthly sea water temperature in Portoroz, °F

Which Slovenia resorts have warmest sea in July?

Place name July 2026 July 2025
Portoroz 80.4°F 79.0°F
Piran 80.4°F 79.0°F
Strunjan 80.3°F 78.9°F
Isola 80.2°F 78.8°F
Koper 80.1°F 78.7°F
Bohinjsko Jezero 79.2°F 77.3°F
Cerkno 79.2°F 77.4°F
Dolenjske Toplice 78.4°F 76.3°F

Best time for vacation in Portoroz

Sunniest months:
August 23 days
July 22 days
June 20 days
Warmest months:
August 85.0 °F
July 84.9 °F
June 80.4 °F
Warmest sea temp:
August 78.7 °F
July 78.5 °F
September 74.2 °F
Coldest months:
January 45.5 °F
December 48.0 °F
February 48.5 °F
Rainiest months:
May 7 days
November 6 days
September 6 days
Windiest months:
February 6.4 mph
March 6.3 mph
November 6.1 mph

Portoroz on a weather map

Portoroz
+64°F
SW 12 mph
Feels like: +64°F
Precip.: 8%
Places in Slovenia:
Name
°F
+55°F
+54°F
+64°F
+64°F
+55°F
+61°F
+61°F
+64°F
+64°F
+64°F
+54°F
24 Hours Forecast
Portoroz
Local time: 21:19
July 22, wednesday
0000
66°F
W
8 mph
0300
70°F
W
9 mph
0600
61°F
W
6 mph
0900
73°F
SW
9 mph
1200
81°F
S
7 mph
1500
81°F
SE
7 mph
1800
79°F
E
8 mph
2100
64°F
NE
1 mph
Units of measurement: °C / °F