01.01
thu
thu
Day
39°F
NE 1 mph
Precip.
82%
82%
Night
32°F
NW 1 mph
Precip.
100%
100%
02.01
fri
fri
Day
37°F
SE 1 mph
Precip.
100%
100%
Night
36°F
SW 1 mph
Precip.
100%
100%
03.01
sat
sat
Day
41°F
SE 1 mph
Precip.
100%
100%
Night
34°F
SW 9 mph
Precip.
100%
100%
04.01
sun
sun
Day
41°F
SW 15 mph
Precip.
0%
0%
Night
30°F
SW 13 mph
Precip.
0%
0%
05.01
mon
mon
Day
36°F
SW 9 mph
Precip.
0%
0%
Night
19°F
SW 9 mph
Precip.
0%
0%
06.01
tue
tue
Day
34°F
W 6 mph
Precip.
0%
0%
Night
25°F
SW 9 mph
Precip.
0%
0%
07.01
wed
wed
Day
36°F
SW 5 mph
Precip.
0%
0%
Night
21°F
W 5 mph
Precip.
0%
0%
08.01
thu
thu
Day
37°F
SW 2 mph
Precip.
0%
0%
Night
25°F
W 4 mph
Precip.
0%
0%
09.01
fri
fri
Day
41°F
SW 2 mph
Precip.
0%
0%
Night
27°F
W 6 mph
Precip.
0%
0%
10.01
sat
sat
Day
41°F
W 3 mph
Precip.
0%
0%
Night
27°F
W 4 mph
Precip.
0%
0%
11.01
sun
sun
Day
41°F
E 2 mph
Precip.
0%
0%
Night
30°F
W 4 mph
Precip.
0%
0%
12.01
mon
mon
Day
41°F
N 1 mph
Precip.
82%
82%
Night
36°F
NW 2 mph
Precip.
70%
70%
13.01
tue
tue
Day
46°F
NE 4 mph
Precip.
100%
100%
Night
50°F
N 16 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: 00:28
January 01, thursday
0300
28°F
NW
2 mph
2 mph
0600
28°F
NW
2 mph
2 mph
0900
32°F
NW
2 mph
2 mph
1200
39°F
NE
1 mph
1 mph
1500
39°F
S
1 mph
1 mph
1800
34°F
NW
1 mph
1 mph
2100
30°F
NW
2 mph
2 mph
January 02, friday
0000
32°F
NW
1 mph
1 mph
