13.01
tue
tue
Day
41°F
NW 2 mph
Precip.
61%
61%
Night
37°F
N 1 mph
Precip.
100%
100%
14.01
wed
wed
Day
45°F
NE 2 mph
Precip.
86%
86%
Night
39°F
NW 1 mph
Precip.
0%
0%
15.01
thu
thu
Day
46°F
SE 1 mph
Precip.
66%
66%
Night
41°F
NW 1 mph
Precip.
86%
86%
16.01
fri
fri
Day
48°F
SE 1 mph
Precip.
80%
80%
Night
43°F
W 3 mph
Precip.
76%
76%
17.01
sat
sat
Day
52°F
SW 1 mph
Precip.
70%
70%
Night
46°F
W 3 mph
Precip.
27%
27%
18.01
sun
sun
Day
48°F
W 6 mph
Precip.
100%
100%
Night
41°F
W 6 mph
Precip.
100%
100%
19.01
mon
mon
Day
45°F
SW 7 mph
Precip.
100%
100%
Night
39°F
SW 14 mph
Precip.
100%
100%
20.01
tue
tue
Day
39°F
SW 13 mph
Precip.
100%
100%
Night
32°F
W 11 mph
Precip.
100%
100%
21.01
wed
wed
Day
45°F
W 5 mph
Precip.
63%
63%
Night
37°F
W 5 mph
Precip.
78%
78%
22.01
thu
thu
Day
45°F
W 7 mph
Precip.
100%
100%
Night
37°F
SW 15 mph
Precip.
100%
100%
23.01
fri
fri
Day
36°F
W 11 mph
Precip.
100%
100%
Night
32°F
W 6 mph
Precip.
100%
100%
24.01
sat
sat
Day
39°F
W 3 mph
Precip.
83%
83%
Night
34°F
W 4 mph
Precip.
100%
100%
25.01
sun
sun
Day
43°F
SW 4 mph
Precip.
0%
0%
Night
36°F
W 3 mph
Precip.
0%
0%
26.01
mon
mon
Day
45°F
E 1 mph
Precip.
55%
55%
Night
39°F
W 3 mph
Precip.
100%
100%
Sea water temperature in January, °F
Show year:
2025
2024
2023
The average sea water temperature in January of 2025 was 50.2°F. The highest and lowest sea temperatures during the month were 51.4°F and 48.9°F.
Air temperature in Koper, °F
Precipitation total in Koper, in.
* Charts above show average data for the last 3 years.
Best time for vacation in Koper
Koper on a weather map
Places in Slovenia:
Name
°F
24 Hours Forecast
Koper
Local time: 06:03
January 13, tuesday
0900
36°F
NW
2 mph
2 mph
1200
41°F
NW
2 mph
2 mph
1500
41°F
NW
2 mph
2 mph
1800
41°F
NW
1 mph
1 mph
2100
37°F
NW
1 mph
1 mph
January 14, wednesday
0000
37°F
N
1 mph
1 mph
0300
37°F
NE
1 mph
1 mph
0600
37°F
E
1 mph
1 mph
