World Resorts Greece Cephalonia Weather

Cephalonia sea water temperature

Current sea water temperature:
+79.5°F
Minimum sea water temperature in July: 83.3°F
Maximum sea water temperature in July: 72.5°F
Average sea water temperature in July: 77.9°F

Sea water temperature for the last 10 days:

July 15 79.5°F July 10 78.8°F
July 14 79.0°F July 9 78.6°F
July 13 78.4°F July 8 79.3°F
July 12 78.8°F July 7 79.5°F
July 11 78.4°F July 6 79.5°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:
2026
2025
2024

The average sea water temperature in July of 2026 was 79.1°F. The highest and lowest sea temperatures during the month were 80.1°F and 78.4°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
+84°F
E 9 mph
Feels like: +88°F
Precip.: 2%
Places in Greece:
Name
°F
+91°F
+84°F
+82°F
+82°F
+82°F
+77°F
+90°F
+91°F
+82°F
+81°F
+81°F
+86°F
+84°F
+81°F
24 Hours Forecast
Cephalonia
Local time: 14:24
July 15, wednesday
1500
84°F
E
9 mph
1800
84°F
E
12 mph
2100
77°F
SE
8 mph
July 16, thursday
0000
75°F
SE
4 mph
0300
75°F
S
6 mph
0600
75°F
S
4 mph
0900
82°F
NW
2 mph
1200
86°F
E
5 mph
Units of measurement: °C / °F