Current sea water temperature:
+79.3°F
| Minimum sea water temperature in July: | 85.3°F |
| Maximum sea water temperature in July: | 71.6°F |
| Average sea water temperature in July: | 77.6°F |
| more information | |
14 days
forecast
forecast
| Cerkno |
monthly
weather
weather
| Cerkno |
Sea water temperature for the last 10 days:
| July 21 | 79.3°F | July 16 | 78.4°F |
| July 20 | 80.6°F | July 15 | 79.3°F |
| July 19 | 80.4°F | July 14 | 79.0°F |
| July 18 | 79.7°F | July 13 | 79.0°F |
| July 17 | 79.7°F | July 12 | 78.6°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:
2026
2025
2024
The average sea water temperature in July of 2026 was 79.2°F. The highest and lowest sea temperatures during the month were 81.9°F and 77.7°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
July
July
| Cerkno |
Best time for vacation in Cerkno
Cerkno on a weather map
Places in Slovenia:
Name
°F
24 Hours Forecast
Cerkno
Local time: 18:34
July 21, tuesday
2100

54°F
SW
5 mph
5 mph
July 22, wednesday
0000

52°F
SW
6 mph
6 mph
0300

52°F
S
4 mph
4 mph
0600

48°F
S
4 mph
4 mph
0900

59°F
SW
2 mph
2 mph
1200

66°F
N
2 mph
2 mph
1500

70°F
N
4 mph
4 mph
1800

66°F
N
4 mph
4 mph


























