World Resorts Greece Cephalonia Weather

Cephalonia 7 Days Forecast

26.08
wed
Day
84°F
SE 7 mph
Precip.
1%
Night
75°F
S 9 mph
Precip.
12%
27.08
thu
Day
90°F
SE 2 mph
Precip.
1%
Night
82°F
E 4 mph
Precip.
2%
28.08
fri
Day
86°F
SE 7 mph
Precip.
1%
Night
81°F
W 2 mph
Precip.
6%
29.08
sat
Day
84°F
E 6 mph
Precip.
2%
Night
77°F
NE 1 mph
Precip.
13%
30.08
sun
Day
84°F
E 4 mph
Precip.
7%
Night
79°F
N 2 mph
Precip.
10%
31.08
mon
Day
82°F
S 3 mph
Precip.
1%
Night
79°F
NW 2 mph
Precip.
6%
01.09
tue
Day
82°F
E 5 mph
Precip.
1%
Night
77°F
SW 0 mph
Precip.
7%

Sea water temperature in August, °F

Show year:
2026
2025
2024

The average sea water temperature in August of 2026 was 80.5°F. The highest and lowest sea temperatures during the month were 82.2°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.

Air temperature in Cephalonia, °F

Precipitation total in Cephalonia, in.

* Charts above show average data for the last 3 years.

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 79.9 °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
+81°F
N 6 mph
Feels like: +84°F
Precip.: 7%
Places in Greece:
Name
°F
+82°F
+77°F
+79°F
+81°F
+79°F
+79°F
+77°F
+77°F
+79°F
+73°F
+79°F
+79°F
+81°F
+77°F
24 Hours Forecast
Cephalonia
Local time: 02:04
August 26, wednesday
0300
81°F
N
6 mph
0600
75°F
NE
6 mph
0900
77°F
NE
3 mph
1200
84°F
SE
7 mph
1500
82°F
SE
11 mph
1800
77°F
SE
13 mph
2100
73°F
SE
11 mph
August 27, thursday
0000
75°F
S
9 mph
Units of measurement: °C / °F