Measurements:
°C
°F
Portoroz
46°F
NW 3 mph
Feels like: 44°F
Precip: 0%
World Resorts Slovenia Portoroz Weather

7 Day Weather Forecast

03.13
fri
DAY
60°F
E 3 mph
precip
100%
NIGHT
46°F
NW 3 mph
precip
0%
03.14
sat
DAY
58°F
N 11 mph
precip
100%
NIGHT
50°F
NW 9 mph
precip
100%
03.15
sun
DAY
62°F
SW 3 mph
precip
100%
NIGHT
50°F
SW 6 mph
precip
0%
03.16
mon
DAY
62°F
S 2 mph
precip
100%
NIGHT
46°F
SW 6 mph
precip
0%
03.17
tue
DAY
56°F
W 9 mph
precip
0%
NIGHT
42°F
W 9 mph
precip
0%
03.18
wed
DAY
52°F
SE 6 mph
precip
0%
NIGHT
44°F
SW 7 mph
precip
0%
03.19
thu
DAY
54°F
SW 12 mph
precip
0%
NIGHT
44°F
W 11 mph
precip
0%

Portoroz Sea Water Temperature in March, °F

Select Year: 2025 2024 2023

The average sea surface temperature in March 2025 for Portoroz was 11.0°F. The maximum and minimum values were 9.7°F and 12.1°F respectively.

Portoroz on the Weather Map

Best Time to Visit Portoroz
The most sunny months:
August 23 days
July 22 days
June 20 days
The most warm months:
August 88.9 °F
July 88.7 °F
June 83.6 °F
Warmest sea temperature:
August 81.9 °F
July 81.5 °F
September 76.9 °F
The most cold months:
January 45.0 °F
December 47.7 °F
February 48.4 °F
The most rainy months:
May 7 days
November 6 days
September 6 days
The most windy months:
February 6 mph
March 6 mph
November 6 mph