Current Sea Water Temperature:
+83.2°F
| Maximum Sea Water Temperature in June: | 83.6°F |
| Minimum Sea Water Temperature in June: | 65.0°F |
| Average water temperature in June: | 75.4°F |
| detailed information | |
Sea Water Temperature for the Last 10 Days:
| June 26 | 83.2°F | June 21 | 78.4°F |
| June 25 | 82.2°F | June 20 | 77.2°F |
| June 24 | 81.4°F | June 19 | 77.0°F |
| June 23 | 80.0°F | June 18 | 76.4°F |
| June 22 | 81.0°F | June 17 | 74.2°F |
When is the Warmest Sea for Cerkno?
According to our data for the last three years for Cerkno the highest average sea water temperature was in August, July and September.
Average Water Temperature by Month, °F
Sea Water Temperature in August
The average sea surface temperature in August 2025 for Cerkno was 79.0°F. The maximum and minimum values were 76.0°F and 80.8°F respectively.
Sea Water Temperature in July
The average sea surface temperature in July 2025 for Cerkno was 80.4°F. The maximum and minimum values were 77.8°F and 83.2°F respectively.
Sea Water Temperature in September
The average sea surface temperature in September 2025 for Cerkno was 76.2°F. The maximum and minimum values were 73.4°F and 78.4°F respectively.
Slovenia Resorts:
NAME
F°
| Bled |  |
+66 |
| Bohinjsko Jezero | |
+66 |
| Bovec | |
+66 |
| Cerkno | |
+66 |
| Dolenjske Toplice | |
+68 |
| Isola | |
+76 |
| Koper | |
+76 |
| Ljubljana | |
+66 |
| Maribor | |
+70 |
| Moravske Toplice | |
+76 |
| Piran | |
+76 |
| Portoroz | |
+76 |
| Postojna | |
+70 |
| Rogaska Slatina | |
+70 |
| Strunjan | |
+74 |
Countries:
NAME
POPULARITY
24 Hours Weather Forecast
Cerkno
Local time: 00:47
27 jun, saturday
| 0300 |  |
66°F | S 3 mph |
| 0600 |  |
64°F | S 4 mph |
| 0900 | |
78°F | NW 2 mph |
| 1200 | |
86°F | NW 3 mph |
| 1500 | |
88°F | NW 4 mph |
| 1800 | |
84°F | N 3 mph |
| 2100 | |
70°F | SE 1 mph |
28 jun, sunday
| 0000 | |
68°F | S 2 mph |