World Resorts Greece Cephalonia Weather

Cephalonia sea water temperature

Current sea water temperature:
+78.1°F
Minimum sea water temperature in June: 79.0°F
Maximum sea water temperature in June: 66.6°F
Average sea water temperature in June: 73.2°F

Sea water temperature for the last 10 days:

June 25 78.1°F June 20 74.1°F
June 24 77.4°F June 19 73.8°F
June 23 76.3°F June 18 74.1°F
June 22 75.9°F June 17 73.6°F
June 21 75.6°F June 16 73.4°F

When is the warmest sea in Cephalonia?

Based on the data about daily sea water temperature for the last three years the warmest sea in Cephalonia was noticed in August, September and July.

Monthly Sea Temperatures in Cephalonia, °F

Sea water temperature in August, °F

Show year:
2025
2024
2023

The average sea water temperature in August of 2025 was 78.1°F. The highest and lowest sea temperatures during the month were 80.1°F and 75.7°F.

Sea water temperature in September, °F

Show year:
2025
2024
2023

The average sea water temperature in September of 2025 was 77.2°F. The highest and lowest sea temperatures during the month were 78.4°F and 75.9°F.

Sea water temperature in July, °F

Show year:
2025
2024
2023

The average sea water temperature in July of 2025 was 78.5°F. The highest and lowest sea temperatures during the month were 81.1°F and 76.5°F.

Best time for vacation in Cephalonia

Sunniest months:
July 30 days
August 29 days
June 26 days
Warmest months:
August 85.2 °F
July 84.2 °F
September 79.6 °F
Warmest sea temp:
August 79.8 °F
September 78.1 °F
July 77.8 °F
Coldest months:
January 56.1 °F
February 56.7 °F
March 58.8 °F
Rainiest months:
January 7 days
November 7 days
December 7 days
Windiest months:
January 11.8 mph
February 10.9 mph
December 10.3 mph

Cephalonia on a weather map

Cephalonia
+79°F
S 1 mph
Feels like: +81°F
Precip.: 4%
Places in Greece:
Name
°F
+86°F
+84°F
+79°F
+81°F
+79°F
+75°F
+82°F
+86°F
+82°F
+77°F
+77°F
+81°F
+82°F
+81°F
24 Hours Forecast
Cephalonia
Local time: 10:52
June 25, thursday
1200
79°F
S
1 mph
1500
79°F
SE
6 mph
1800
77°F
S
4 mph
2100
73°F
SW
4 mph
June 26, friday
0000
75°F
NW
3 mph
0300
73°F
SE
2 mph
0600
73°F
S
4 mph
0900
75°F
SW
4 mph
Units of measurement: °C / °F