21.12
sun
sun
Day

50°F
W 4 mph
Precip.
0%
0%
Night

43°F
SW 6 mph
Precip.
0%
0%
22.12
mon
mon
Day

48°F
W 2 mph
Precip.
77%
77%
Night

48°F
SW 2 mph
Precip.
100%
100%
23.12
tue
tue
Day

50°F
SW 2 mph
Precip.
100%
100%
Night

50°F
SW 6 mph
Precip.
100%
100%
24.12
wed
wed
Day

43°F
SW 10 mph
Precip.
100%
100%
Night

32°F
SW 12 mph
Precip.
100%
100%
25.12
thu
thu
Day

41°F
SW 9 mph
Precip.
0%
0%
Night

32°F
SW 9 mph
Precip.
0%
0%
26.12
fri
fri
Day

41°F
SW 10 mph
Precip.
0%
0%
Night

34°F
SW 7 mph
Precip.
0%
0%
27.12
sat
sat
Day

39°F
W 5 mph
Precip.
0%
0%
Night

30°F
SW 5 mph
Precip.
0%
0%
28.12
sun
sun
Day

39°F
W 6 mph
Precip.
0%
0%
Night

30°F
SW 5 mph
Precip.
0%
0%
29.12
mon
mon
Day

39°F
SW 2 mph
Precip.
0%
0%
Night

32°F
SW 4 mph
Precip.
0%
0%
30.12
tue
tue
Day

41°F
W 7 mph
Precip.
0%
0%
Night

27°F
SW 5 mph
Precip.
0%
0%
31.12
wed
wed
Day

39°F
SW 2 mph
Precip.
0%
0%
Night

28°F
W 3 mph
Precip.
0%
0%
01.01
thu
thu
Day

36°F
N 1 mph
Precip.
0%
0%
Night

32°F
SW 2 mph
Precip.
100%
100%
02.01
fri
fri
Day

37°F
NW 1 mph
Precip.
100%
100%
Night

36°F
SW 2 mph
Precip.
100%
100%
03.01
sat
sat
Day

37°F
E 2 mph
Precip.
100%
100%
Night

37°F
S 2 mph
Precip.
70%
70%
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: 11:37
December 21, sunday
1200

50°F
W
4 mph
4 mph
1500

50°F
SW
3 mph
3 mph
1800

45°F
SW
6 mph
6 mph
2100

43°F
SW
6 mph
6 mph
December 22, monday
0000

43°F
SW
6 mph
6 mph
0300

41°F
SW
6 mph
6 mph
0600

43°F
SW
5 mph
5 mph
0900

45°F
SW
5 mph
5 mph



























