21.12
sun
sun
Day
50°F
W 4 mph
Precip.
0%
0%
Night
46°F
SW 4 mph
Precip.
0%
0%
22.12
mon
mon
Day
50°F
SW 2 mph
Precip.
100%
100%
Night
50°F
SW 3 mph
Precip.
100%
100%
23.12
tue
tue
Day
50°F
SW 4 mph
Precip.
66%
66%
Night
41°F
SW 8 mph
Precip.
0%
0%
24.12
wed
wed
Day
46°F
SW 10 mph
Precip.
82%
82%
Night
37°F
SW 12 mph
Precip.
0%
0%
25.12
thu
thu
Day
41°F
SW 12 mph
Precip.
0%
0%
Night
34°F
SW 9 mph
Precip.
0%
0%
26.12
fri
fri
Day
37°F
SW 9 mph
Precip.
0%
0%
Night
30°F
SW 11 mph
Precip.
0%
0%
27.12
sat
sat
Day
36°F
SW 9 mph
Precip.
0%
0%
Night
32°F
SW 8 mph
Precip.
0%
0%
28.12
sun
sun
Day
37°F
SW 6 mph
Precip.
0%
0%
Night
32°F
SW 9 mph
Precip.
0%
0%
29.12
mon
mon
Day
36°F
SW 6 mph
Precip.
0%
0%
Night
28°F
SW 6 mph
Precip.
0%
0%
30.12
tue
tue
Day
34°F
NE 2 mph
Precip.
0%
0%
Night
28°F
SW 2 mph
Precip.
0%
0%
31.12
wed
wed
Day
36°F
W 2 mph
Precip.
0%
0%
Night
28°F
W 3 mph
Precip.
0%
0%
01.01
thu
thu
Day
34°F
N 2 mph
Precip.
0%
0%
Night
28°F
SW 4 mph
Precip.
0%
0%
02.01
fri
fri
Day
36°F
SW 7 mph
Precip.
0%
0%
Night
27°F
W 6 mph
Precip.
0%
0%
Sea water temperature in December, °F
Show year:
2025
2024
2023
The average sea water temperature in December of 2025 was 54.4°F. The highest and lowest sea temperatures during the month were 55.6°F and 53.2°F.
Sea water temperature in January, °F
Show year:
2025
2024
2023
The average sea water temperature in January of 2025 was 49.3°F. The highest and lowest sea temperatures during the month were 50.5°F and 47.5°F.
Air temperature in Cerkno, °F
Precipitation total in Cerkno, in.
* Charts above show average data for the last 3 years.
Best time for vacation in Cerkno
Cerkno on a weather map
Places in Slovenia:
Name
°F
24 Hours Forecast
Cerkno
Local time: 01:30
December 21, sunday
0300
45°F
SW
6 mph
6 mph
0600
43°F
SW
6 mph
6 mph
0900
45°F
SW
5 mph
5 mph
1200
50°F
W
4 mph
4 mph
1500
52°F
SW
3 mph
3 mph
1800
46°F
SW
5 mph
5 mph
2100
46°F
SW
4 mph
4 mph
December 22, monday
0000
46°F
SW
4 mph
4 mph
