12.01
mon
mon
Day

43°F
N 2 mph
Precip.
0%
0%
Night

30°F
NW 4 mph
Precip.
0%
0%
13.01
tue
tue
Day

43°F
N 2 mph
Precip.
0%
0%
Night

36°F
N 2 mph
Precip.
100%
100%
14.01
wed
wed
Day

43°F
NE 1 mph
Precip.
88%
88%
Night

37°F
W 1 mph
Precip.
100%
100%
15.01
thu
thu
Day

46°F
SE 1 mph
Precip.
100%
100%
Night

41°F
NW 1 mph
Precip.
0%
0%
16.01
fri
fri
Day

48°F
S 2 mph
Precip.
76%
76%
Night

43°F
NW 2 mph
Precip.
100%
100%
17.01
sat
sat
Day

50°F
W 2 mph
Precip.
100%
100%
Night

43°F
W 2 mph
Precip.
100%
100%
18.01
sun
sun
Day

52°F
SW 6 mph
Precip.
26%
26%
Night

43°F
SW 9 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: 17:47
January 12, monday
1800

36°F
NW
4 mph
4 mph
2100

30°F
NW
5 mph
5 mph
January 13, tuesday
0000

30°F
NW
4 mph
4 mph
0300

32°F
NW
4 mph
4 mph
0600

34°F
NW
3 mph
3 mph
0900

34°F
NW
2 mph
2 mph
1200

43°F
N
2 mph
2 mph
1500

41°F
N
2 mph
2 mph

























