02.01
fri
fri
Day
39°F
SE 2 mph
Precip.
100%
100%
Night
36°F
W 2 mph
Precip.
0%
0%
03.01
sat
sat
Day
46°F
W 5 mph
Precip.
89%
89%
Night
37°F
SW 5 mph
Precip.
89%
89%
04.01
sun
sun
Day
39°F
SW 11 mph
Precip.
0%
0%
Night
28°F
SW 10 mph
Precip.
0%
0%
05.01
mon
mon
Day
36°F
SW 9 mph
Precip.
0%
0%
Night
27°F
SW 9 mph
Precip.
0%
0%
06.01
tue
tue
Day
30°F
SW 14 mph
Precip.
100%
100%
Night
25°F
SW 14 mph
Precip.
100%
100%
07.01
wed
wed
Day
32°F
W 4 mph
Precip.
100%
100%
Night
23°F
SW 5 mph
Precip.
0%
0%
08.01
thu
thu
Day
32°F
W 2 mph
Precip.
0%
0%
Night
23°F
W 8 mph
Precip.
0%
0%
09.01
fri
fri
Day
32°F
SW 7 mph
Precip.
0%
0%
Night
21°F
W 4 mph
Precip.
0%
0%
10.01
sat
sat
Day
36°F
SW 2 mph
Precip.
21%
21%
Night
23°F
W 2 mph
Precip.
0%
0%
11.01
sun
sun
Day
36°F
N 2 mph
Precip.
0%
0%
Night
27°F
W 4 mph
Precip.
0%
0%
12.01
mon
mon
Day
37°F
N 2 mph
Precip.
0%
0%
Night
30°F
W 4 mph
Precip.
0%
0%
13.01
tue
tue
Day
37°F
SW 4 mph
Precip.
100%
100%
Night
32°F
SW 5 mph
Precip.
22%
22%
14.01
wed
wed
Day
41°F
SW 4 mph
Precip.
0%
0%
Night
28°F
W 4 mph
Precip.
47%
47%
15.01
thu
thu
Day
41°F
SW 10 mph
Precip.
0%
0%
Night
27°F
W 6 mph
Precip.
0%
0%
sea water
temperature
temperature
| Portoroz |
monthly
weather
weather
| Portoroz |
current
weather
weather
| Portoroz |
7 days
forecast
forecast
| Portoroz |
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.
Air temperature in Portoroz, °F
Precipitation total in Portoroz, in.
* Charts above show average data for the last 3 years.
Best time for vacation in Portoroz
Portoroz on a weather map
Places in Slovenia:
Name
°F
24 Hours Forecast
Portoroz
Local time: 02:46
January 02, friday
0300
34°F
S
1 mph
1 mph
0600
34°F
N
2 mph
2 mph
0900
36°F
SE
2 mph
2 mph
1200
39°F
SE
2 mph
2 mph
1500
39°F
S
1 mph
1 mph
1800
39°F
W
3 mph
3 mph
2100
36°F
S
2 mph
2 mph
January 03, saturday
0000
36°F
W
2 mph
2 mph
