World Resorts Slovenia Koper Weather

Koper 7 Days Forecast

12.01
mon
Day
43°F
N 2 mph
Precip.
0%
Night
30°F
NW 4 mph
Precip.
0%
13.01
tue
Day
43°F
N 2 mph
Precip.
0%
Night
36°F
N 2 mph
Precip.
100%
14.01
wed
Day
43°F
NE 1 mph
Precip.
88%
Night
37°F
W 1 mph
Precip.
100%
15.01
thu
Day
46°F
SE 1 mph
Precip.
100%
Night
41°F
NW 1 mph
Precip.
0%
16.01
fri
Day
48°F
S 2 mph
Precip.
76%
Night
43°F
NW 2 mph
Precip.
100%
17.01
sat
Day
50°F
W 2 mph
Precip.
100%
Night
43°F
W 2 mph
Precip.
100%
18.01
sun
Day
52°F
SW 6 mph
Precip.
26%
Night
43°F
SW 9 mph
Precip.
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

Sunniest months:
August 23 days
July 22 days
June 20 days
Warmest months:
August 85.0 °F
July 84.8 °F
June 80.2 °F
Warmest sea temp:
August 78.4 °F
July 78.1 °F
September 73.8 °F
Coldest months:
January 45.6 °F
December 48.0 °F
February 48.1 °F
Rainiest months:
May 7 days
November 6 days
September 6 days
Windiest months:
March 6.6 mph
February 6.5 mph
November 6.2 mph

Koper on a weather map

Koper
+36°F
NW 4 mph
Feels like: +32°F
Precip.: 0%
Places in Slovenia:
Name
°F
+21°F
+36°F
+36°F
+21°F
+27°F
+27°F
+36°F
+36°F
+23°F
+36°F
+32°F
24 Hours Forecast
Koper
Local time: 17:47
January 12, monday
1800
36°F
NW
4 mph
2100
30°F
NW
5 mph
January 13, tuesday
0000
30°F
NW
4 mph
0300
32°F
NW
4 mph
0600
34°F
NW
3 mph
0900
34°F
NW
2 mph
1200
43°F
N
2 mph
1500
41°F
N
2 mph
Units of measurement: °C / °F