Average sea water temperature in April:
+55.6°F
Minimum sea water temperature in April: | 62.8°F |
Maximum sea water temperature in April: | 48.6°F |
Daily sea water temperature in April, °F
Show year:
2025
2024
2023
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48
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57
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63
66
The average sea water temperature in April of 2025 was 53.7°F. The highest and lowest sea temperatures during the month were 54.5°F and 52.7°F.
Monthly sea water temperature in Cerkno, °F
jan
feb
mar
apr
may
jun
jul
aug
sep
oct
nov
dec
0
13
26
39
52
65
78
91
104
54.4
60.5
66.8
73.3
77.9
77.5
72.8
63.9
55.6
50.1
48.2
50
Which Slovenia resorts have warmest sea in April?
Place name | April 2025 | April 2024 |
---|---|---|
Dolenjske Toplice | 54.4°F | 58.4°F |
Portoroz | 54.0°F | 58.7°F |
Piran | 54.0°F | 58.7°F |
Strunjan | 53.8°F | 58.4°F |
Bohinjsko Jezero | 53.7°F | 57.1°F |
Cerkno | 53.7°F | 57.1°F |
Koper | 53.6°F | 58.0°F |
Isola | 53.6°F | 58.2°F |
Best time for vacation in Cerkno
Cerkno on a weather map
Leaflet | Tiles © Esri
Places in Slovenia:
Name
°F
24 Hours Forecast
Cerkno
Local time: 18:21
April 15, tuesday
2100

55°F
NE
6 mph
6 mph
April 16, wednesday
0000

55°F
NE
4 mph
4 mph
0300

54°F
NE
3 mph
3 mph
0600

54°F
E
2 mph
2 mph
0900

59°F
E
4 mph
4 mph
1200

64°F
E
6 mph
6 mph
1500

63°F
E
4 mph
4 mph
1800

57°F
S
1 mph
1 mph