World Resorts Slovenia Portoroz Weather

Portoroz Sea Temperature in October

Average sea water temperature in October:
+67.5°F
Minimum sea water temperature in October: 73.6°F
Maximum sea water temperature in October: 61.7°F

Daily sea water temperature in October, °F

Show year:
2025
2024
2023

The average sea water temperature in October of 2025 was 67.1°F. The highest and lowest sea temperatures during the month were 72.7°F and 63.0°F.

Monthly sea water temperature in Portoroz, °F

Which Slovenia resorts have warmest sea in October?

Place name October 2025 October 2024
Portoroz 67.1°F 67.1°F
Piran 67.1°F 67.1°F
Strunjan 67.0°F 67.0°F
Isola 66.9°F 67.0°F
Koper 66.9°F 66.8°F
Cerkno 65.6°F 65.6°F
Bohinjsko Jezero 65.4°F 65.5°F
Dolenjske Toplice 65.4°F 65.2°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 80.3 °F
Warmest sea temp:
August 78.7 °F
July 78.4 °F
September 74.2 °F
Coldest months:
January 45.6 °F
December 47.7 °F
February 48.3 °F
Rainiest months:
May 7 days
November 6 days
September 6 days
Windiest months:
February 6.5 mph
March 6.4 mph
November 6.1 mph

Portoroz on a weather map

Current weather
02:38
Portoroz
+46°F
N 3 mph
Feels like: +45°F
Precip.: 100%
Places in Slovenia:
Name
°F
Bohinjsko Jezero
+41°F
Dolenjske Toplice
+41°F
Zrece
+41°F
Isola
+46°F
Koper
+46°F
Kranjska Gora
+41°F
Ljubljana
+46°F
Maribor
+41°F
Moravske Toplice
+41°F
Piran
+46°F
Portoroz
+46°F
Rogaska Slatina
+41°F
Strunjan
+46°F
Terme Radenci
+43°F
Cerkno
+45°F
all places
24 Hours Forecast
Portoroz
Local time: 02:38
December 18, thursday
0300
46°F
N
3 mph
0600
46°F
N
3 mph
0900
48°F
N
2 mph
1200
54°F
N
2 mph
1500
54°F
E
2 mph
1800
52°F
N
2 mph
2100
46°F
N
1 mph
December 19, friday
0000
46°F
NE
2 mph
Units of measurement: °C / °F