World Resorts Slovenia Portoroz Weather

Portoroz Sea Temperature in August

Average sea water temperature in August:
+78.8°F
Minimum sea water temperature in August: 84.7°F
Maximum sea water temperature in August: 74.3°F

Daily sea water temperature in August, °F

Show year:
2026
2025
2024

The average sea water temperature in August of 2026 was 81.7°F. The highest and lowest sea temperatures during the month were 84.6°F and 79.7°F.

Monthly sea water temperature in Portoroz, °F

Which Slovenia resorts have warmest sea in August?

Place name August 2026 August 2025
Portoroz 81.7°F 77.2°F
Piran 81.7°F 77.2°F
Strunjan 81.5°F 77.1°F
Koper 81.3°F 76.7°F
Isola 81.2°F 76.9°F
Cerkno 79.6°F 76.1°F
Bohinjsko Jezero 79.4°F 76.2°F
Dolenjske Toplice 78.2°F 74.0°F

Best time for vacation in Portoroz

Sunniest months:
August 23 days
July 22 days
June 20 days
Warmest months:
August 85.3 °F
July 84.8 °F
June 80.4 °F
Warmest sea temp:
August 78.9 °F
July 78.5 °F
September 74.4 °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

Current weather
19:26
Portoroz
+63°F
S 2 mph
Feels like: +63°F
Precip.: 19%
Places in Slovenia:
Name
°F
Bled
+48°F
Bohinjsko Jezero
+48°F
Dolenjske Toplice
+52°F
Isola
+63°F
Koper
+63°F
Kranjska Gora
+48°F
Ljubljana
+55°F
Maribor
+57°F
Moravske Toplice
+59°F
Piran
+63°F
Portoroz
+63°F
Rogaska Slatina
+54°F
Strunjan
+63°F
Cerkno
+48°F
Smarjeske Toplice
+52°F
all places
24 Hours Forecast
Portoroz
Local time: 19:26
October 11, sunday
2100
59°F
W
2 mph
October 12, monday
0000
55°F
W
4 mph
0300
55°F
W
4 mph
0600
55°F
W
3 mph
0900
57°F
W
11 mph
1200
63°F
W
12 mph
1500
64°F
SW
11 mph
1800
55°F
W
7 mph
Units of measurement: °C / °F