Measurements:
°C
°F
CURRENT WEATHER
02:16
Cephalonia
58°F
SW 3 mph
Feels like: 58°F
Precip: 0%
World Resorts Greece Cephalonia Weather

7 Day Weather Forecast

12.18
thu
DAY
62°F
N 2 mph
precip
0%
NIGHT
58°F
NW 2 mph
precip
0%
12.19
fri
DAY
60°F
W 1 mph
precip
0%
NIGHT
58°F
W 2 mph
precip
0%
12.20
sat
DAY
60°F
NW 9 mph
precip
0%
NIGHT
54°F
W 9 mph
precip
100%
12.21
sun
DAY
60°F
W 4 mph
precip
0%
NIGHT
56°F
W 6 mph
precip
0%
12.22
mon
DAY
60°F
NW 7 mph
precip
65%
NIGHT
56°F
NW 9 mph
precip
100%
12.23
tue
DAY
60°F
N 15 mph
precip
100%
NIGHT
58°F
N 11 mph
precip
100%
12.24
wed
DAY
62°F
NW 12 mph
precip
100%
NIGHT
60°F
NW 20 mph
precip
23%

Cephalonia Sea Water Temperature in December, °F

Select Year: 2025 2024 2023

The average sea surface temperature in December 2025 for Cephalonia was 18.7°F. The maximum and minimum values were 18.2°F and 19.3°F respectively.

Cephalonia on the Weather Map

Best Time to Visit Cephalonia
The most sunny months:
July 30 days
August 29 days
June 26 days
The most warm months:
August 89.1 °F
July 88.0 °F
September 82.9 °F
Warmest sea temperature:
August 83.2 °F
September 81.2 °F
July 80.9 °F
The most cold months:
January 56.9 °F
February 57.6 °F
March 60.1 °F
The most rainy months:
January 7 days
November 7 days
December 7 days
The most windy months:
January 11 mph
February 11 mph
December 10 mph
more details