Current sea water temperature:
+54.0°F
| Minimum sea water temperature in December: | 59.0°F |
| Maximum sea water temperature in December: | 49.8°F |
| Average sea water temperature in December: | 54.4°F |
| more information | |
14 days
forecast
forecast
| Cerkno |
monthly
weather
weather
| Cerkno |
Sea water temperature for the last 10 days:
| December 21 | 54.0°F | December 16 | 54.1°F |
| December 20 | 53.2°F | December 15 | 53.8°F |
| December 19 | 54.1°F | December 14 | 53.4°F |
| December 18 | 54.1°F | December 13 | 53.4°F |
| December 17 | 54.1°F | December 12 | 53.6°F |
Monthly sea water temperature, °F
When is the warmest sea in Cerkno?
Based on the data about daily sea water temperature for the last three years the warmest sea in Cerkno was noticed in August, July and September.
Monthly Sea Temperatures in Cerkno, °F
Sea water temperature in August, °F
Show year:
2025
2024
2023
The average sea water temperature in August of 2025 was 76.1°F. The highest and lowest sea temperatures during the month were 77.7°F and 73.4°F.
Sea water temperature in July, °F
Show year:
2025
2024
2023
The average sea water temperature in July of 2025 was 77.4°F. The highest and lowest sea temperatures during the month were 79.9°F and 75.0°F.
Sea water temperature in September, °F
Show year:
2025
2024
2023
The average sea water temperature in September of 2025 was 73.6°F. The highest and lowest sea temperatures during the month were 75.6°F and 71.1°F.
current
weather
weather
| Cerkno |
weather in
December
December
| Cerkno |
Best time for vacation in Cerkno
Cerkno on a weather map
Places in Slovenia:
Name
°F
24 Hours Forecast
Cerkno
Local time: 06:24
December 22, monday
0900
41°F
SW
6 mph
6 mph
1200
48°F
W
3 mph
3 mph
1500
50°F
SW
2 mph
2 mph
1800
46°F
SW
4 mph
4 mph
2100
48°F
SW
3 mph
3 mph
December 23, tuesday
0000
46°F
SW
4 mph
4 mph
0300
46°F
SW
4 mph
4 mph
0600
46°F
W
4 mph
4 mph
