World Resorts Greece Cephalonia Weather

Cephalonia sea water temperature

Current sea water temperature:
+59.9°F
Minimum sea water temperature in March: 62.6°F
Maximum sea water temperature in March: 58.3°F
Average sea water temperature in March: 60.0°F

Sea water temperature for the last 10 days:

March 15 59.9°F March 10 60.3°F
March 14 60.4°F March 9 60.3°F
March 13 60.1°F March 8 60.1°F
March 12 60.3°F March 7 60.1°F
March 11 60.1°F March 6 60.1°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:
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 59.1 °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
+52°F
NW 11 mph
Feels like: +48°F
Precip.: 0%
Places in Greece:
Name
°F
+46°F
+48°F
+54°F
+46°F
+52°F
+55°F
+48°F
+54°F
+52°F
+45°F
+57°F
+48°F
+50°F
+48°F
24 Hours Forecast
Cephalonia
Local time: 03:18
March 16, monday
0600
50°F
NW
10 mph
0900
50°F
W
11 mph
1200
55°F
W
12 mph
1500
59°F
NW
9 mph
1800
57°F
NW
7 mph
2100
55°F
W
8 mph
March 17, tuesday
0000
54°F
W
11 mph
0300
55°F
W
9 mph
Units of measurement: °C / °F