World Resorts Slovenia Portoroz Weather

Portoroz Sea Temperature in January

Average sea water temperature in January:
+51.2°F
Minimum sea water temperature in January: 55.4°F
Maximum sea water temperature in January: 46.9°F

Daily sea water temperature in January, °F

Show year:
2025
2024
2023

The average sea water temperature in January of 2025 was 51.6°F. The highest and lowest sea temperatures during the month were 53.2°F and 50.4°F.

Monthly sea water temperature in Portoroz, °F

Which Slovenia resorts have warmest sea in January?

Place name January 2025 January 2024
Dolenjske Toplice 53.3°F 54.6°F
Portoroz 51.6°F 52.8°F
Piran 51.6°F 52.8°F
Strunjan 51.1°F 52.4°F
Isola 50.6°F 52.1°F
Koper 50.2°F 51.8°F
Cerkno 49.3°F 50.3°F
Bohinjsko Jezero 49.3°F 50.2°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 48.0 °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
18:05
Portoroz
+41°F
W 1 mph
Feels like: +41°F
Precip.: 0%
Places in Slovenia:
Name
°F
Bled
+32°F
Bohinjsko Jezero
+32°F
Dolenjske Toplice
+36°F
Isola
+41°F
Koper
+41°F
Kranjska Gora
+32°F
Ljubljana
+36°F
Maribor
+30°F
Piran
+41°F
Portoroz
+41°F
Rogaska Slatina
+36°F
Rogla
+36°F
Strunjan
+41°F
Terme Dobrna
+36°F
Cerkno
+34°F
all places
24 Hours Forecast
Portoroz
Local time: 18:05
December 29, monday
2100
36°F
NW
2 mph
December 30, tuesday
0000
34°F
NW
3 mph
0300
34°F
NW
4 mph
0600
34°F
W
5 mph
0900
36°F
W
5 mph
1200
46°F
SW
12 mph
1500
43°F
W
14 mph
1800
37°F
W
19 mph
Units of measurement: °C / °F