Average sea water temperature in December:
+55.2°F
| Minimum sea water temperature in December: | 60.1°F |
| Maximum sea water temperature in December: | 50.2°F |
Daily sea water temperature in December, °F
Show year:
2024
2023
2022
The average sea water temperature in December of 2024 was 57.0°F. The highest and lowest sea temperatures during the month were 59.0°F and 55.2°F.
Monthly sea water temperature in Koper, °F
Which Slovenia resorts have warmest sea in December?
| Place name | December 2024 | December 2023 |
|---|---|---|
| Portoroz | 57.8°F | 56.6°F |
| Piran | 57.8°F | 56.6°F |
| Dolenjske Toplice | 57.8°F | 57.4°F |
| Strunjan | 57.5°F | 56.3°F |
| Isola | 57.3°F | 55.9°F |
| Koper | 57.0°F | 55.7°F |
| Cerkno | 55.0°F | 54.9°F |
| Bohinjsko Jezero | 54.9°F | 54.8°F |
Best time for vacation in Koper
Koper on a weather map
Places in Slovenia:
Name
°F
24 Hours Forecast
Koper
Local time: 02:43
December 22, sunday
0300
32°F
NW
2 mph
2 mph
0600
32°F
NW
4 mph
4 mph
0900
34°F
NW
4 mph
4 mph
1200
45°F
N
6 mph
6 mph
1500
45°F
N
6 mph
6 mph
1800
41°F
S
3 mph
3 mph
2100
37°F
NW
10 mph
10 mph
December 23, monday
0000
36°F
SW
15 mph
15 mph
