World Resorts Greece Cephalonia Weather

Cephalonia sea water temperature

Current sea water temperature:
+81.7°F
Minimum sea water temperature in September: 83.5°F
Maximum sea water temperature in September: 74.3°F
Average sea water temperature in September: 78.2°F

Sea water temperature for the last 10 days:

September 13 81.7°F September 8 82.0°F
September 12 82.0°F September 7 82.4°F
September 11 82.2°F September 6 82.4°F
September 10 82.2°F September 5 82.0°F
September 9 81.7°F September 4 82.9°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:
2026
2025
2024

The average sea water temperature in August of 2026 was 80.8°F. The highest and lowest sea temperatures during the month were 82.6°F and 78.1°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 79.5°F. The highest and lowest sea temperatures during the month were 81.7°F and 77.4°F.

Best time for vacation in Cephalonia

Sunniest months:
July 30 days
August 29 days
June 26 days
Warmest months:
August 85.1 °F
July 84.1 °F
September 79.6 °F
Warmest sea temp:
August 79.9 °F
September 78.1 °F
July 77.9 °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
+70°F
SE 10 mph
Feels like: +70°F
Precip.: 6%
Places in Greece:
Name
°F
+75°F
+73°F
+73°F
+75°F
+77°F
+73°F
+73°F
+75°F
+72°F
+72°F
+66°F
+72°F
+73°F
+79°F
24 Hours Forecast
Cephalonia
Local time: 21:25
September 14, monday
0000
68°F
SE
10 mph
0300
70°F
SE
9 mph
0600
70°F
SE
7 mph
0900
70°F
S
4 mph
1200
75°F
E
5 mph
1500
75°F
E
8 mph
1800
72°F
E
8 mph
2100
68°F
NE
3 mph
Units of measurement: °C / °F