World Resorts Greece Cephalonia Weather

Cephalonia sea water temperature

Current sea water temperature:
+79.0°F
Minimum sea water temperature in August: 84.4°F
Maximum sea water temperature in August: 75.7°F
Average sea water temperature in August: 79.8°F

Sea water temperature for the last 10 days:

August 4 79.0°F July 30 78.8°F
August 3 78.1°F July 29 77.9°F
August 2 78.3°F July 28 77.4°F
August 1 78.8°F July 27 78.3°F
July 31 79.3°F July 26 78.1°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 79.5°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 85.2 °F
July 84.1 °F
September 79.6 °F
Warmest sea temp:
August 79.8 °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
+81°F
SE 11 mph
Feels like: +84°F
Precip.: 3%
Places in Greece:
Name
°F
+95°F
+90°F
+81°F
+84°F
+82°F
+82°F
+91°F
+95°F
+86°F
+86°F
+84°F
+90°F
+86°F
+84°F
24 Hours Forecast
Cephalonia
Local time: 15:18
August 04, tuesday
1800
79°F
SE
15 mph
2100
77°F
SE
8 mph
August 05, wednesday
0000
77°F
SE
6 mph
0300
75°F
SE
6 mph
0600
75°F
SE
6 mph
0900
79°F
SE
7 mph
1200
82°F
SE
9 mph
1500
84°F
SE
12 mph
Units of measurement: °C / °F