Day
14 °C
Night
8 °C
Sea
17 °C
Precipitation
147 mm
in month
Rainy days
12 days
in month
Daylight
9 hours
average
Sunshine
4 hours
average
Humidity
77 %
We make the most from 40 years of historical weather data to predict the best weather conditions.
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Kefalonia (Greece) in general has a hot climate. Temperatures during the day are in the range from 13 °C (55 °F) in January to 31 °C (88 °F) in August. The highest sea temperatures in Kefalonia are in August with 25 °C (78 °F) and the lowest in February with 15 °C (59 °F). Temperatures during the night go from 6 °C (42 °F) in February to 20 °C (69 °F) in August. The least rainy month in Kefalonia is July with its 1 day of rain, the rainiest month is December, when it rains 12 days.
The minimum of the day temperature can be noticed, its value is 13 °C (55 °F) in Kefalonia, while the descent of the sea temperature can be observed, with its value being 16 °C (60 °F). The number of rainy days starts to descent, and the beginning of the descent of the rainfall amount could be noticed too, the value of this measure is 110 mm (4.32 in). The number of sun hours (without clouds) starts to rise, with its value of 5 hours. The night temperature continues to descent, the value of this measure is 6 °C (43 °F).
The minimum of the sea temperature can be noticed, the value of this measure is 15 °C (59 °F) in Kefalonia, and the minimum of the night temperature can be noticed too, with its value of 6 °C (42 °F). The rainfall amount continues to descent, the value of this measure is 97 mm (3.80 in). The rise of the number of sun hours (without clouds) can be observed, the value of this measure is 5 hours. The wind speed reaches its maximum.
The number of rainy days starts to descent, with its value being 9 days in Kefalonia, while the rainfall amount descents similarly to the previous month, the value of this measure is 73 mm (2.88 in). The beginning of the rise of the day temperature could be noticed, with its value of 15 °C (60 °F), and the night temperature rise's start could be observed as well, its value is 8 °C (46 °F). The rise of the number of sun hours (without clouds) can be observed, with its value being 6 hours.
The rise of the day temperature can be observed, its value is 19 °C (66 °F) in Kefalonia, while the sea temperature rise's start could be observed, with its value being 16 °C (61 °F). The descent of the number of rainy days can be observed, with its value of 6 days, and the rainfall amount descents similarly to the previous month as well, the value of this measure is 51 mm (2.02 in). The rise of the night temperature can be observed, with its value of 10 °C (50 °F). The number of sun hours (without clouds) rises similarly to the previous month.
The day temperature rises similarly to the previous month, with its value being 24 °C (75 °F) in Kefalonia, and the sea temperature continues to rise too, with its value being 19 °C (66 °F). The descent of the number of rainy days can be observed, its value is 4 days, and the rainfall amount descents similarly to the previous month too, the value of this measure is 24 mm (0.93 in). The night temperature rises similarly to the previous month, the value of this measure is 14 °C (57 °F). The dry season is at its beginning.
The rise of the day temperature can be observed, with its value being 28 °C (82 °F) in Kefalonia, and the sea temperature continues to rise too, with its value of 22 °C (72 °F). The tourist season is about to start this month. The number of rainy days continues to descent, the value of this measure is 2 days, and the descent of the rainfall amount can be observed too, its value is 13 mm (0.51 in). The night temperature rises similarly to the previous month.
The tourist season continues in Kefalonia. The day temperature continues to rise, the value of this measure is 31 °C (88 °F), and the sea temperature rises similarly to the previous month as well, with its value being 24 °C (75 °F). The minimum of the number of rainy days can be noticed, with its value being 1 day, and the minimum of the rainfall amount can be noticed as well, its value is 7 mm (0.27 in). The number of sun hours (without clouds) is on its maximum.
There is pending tourist season in Kefalonia, and the dry season is taking place as well in August. The maximum of the sea temperature is observable, and the day temperature is on its maximum as well, with its value being 31 °C (88 °F). The maximum of the night temperature can be noticed, with its value of 20 °C (69 °F). The number of sun hours (without clouds) descent's start could be observed in this month.
The tourist season is taking place in Kefalonia. The day temperature descent's start could be observed, with its value being 27 °C (81 °F), and the beginning of the descent of the sea temperature could be noticed too, with its value of 24 °C (76 °F). The beginning of the rise of the number of rainy days could be noticed, and the rainfall amount rise's start could be observed too, its value is 51 mm (1.99 in). The night temperature starts to descent, with its value of 18 °C (64 °F).
The sea temperature continues to descent, its value is 22 °C (72 °F) in Kefalonia, and the day temperature descents similarly to the previous month as well. The number of rainy days continues to rise, the value of this measure is 7 days, and the rise of the rainfall amount can be observed as well. The night temperature descents similarly to the previous month. The descent of the number of sun hours (without clouds) can be observed, the value of this measure is 7 hours.
The day temperature descents similarly to the previous month, its value is 17 °C (63 °F) in Kefalonia, and the sea temperature descents similarly to the previous month as well, with its value of 20 °C (68 °F). The number of rainy days continues to rise, with its value of 11 days, while the maximum of the rainfall amount can be noticed in November. The descent of the night temperature can be observed, the value of this measure is 11 °C (52 °F). The descent of the number of sun hours (without clouds) can be observed.
The descent of the day temperature can be observed in Kefalonia, and the descent of the sea temperature can be observed as well. The number of rainy days is on its maximum, with its value of 12 days. The descent of the night temperature can be observed, with its value of 8 °C (46 °F). The minimum of the day length is observable, its value is 9 hours. The minimum of the number of sun hours (without clouds) is observable in this month.
The average night temperature in April in Kefalonia is 10 °C (50 °F). Nights can be cooler, morning running can be refreshing but choose appropriate clothing, evening outdoor sitting can be pleasant but you can also be cold.
In Kefalonia in May expect the sea to be warm at 19 °C (66 °F). At this sea temperature, swimming probably won't be the best experience. You probably won't like to stay in water for a long time. On the other hand, there are a minority of people who seek these conditions.
In Kefalonia in June, there are ideal conditions for a vacation. The daily temperatures in this month reach pleasant 28 °C (82 °F). You can expect just 2 days of rain during the month, taking an umbrella is not necessary. A sea temperature of 22 °C (72 °F) can seem colder to some, but others will call it refreshing. The temperature of 18 °C (64 °F) at night may make it better to dine inside or to put on more clothes for a dinner outside.
The average daily temperature in Kefalonia in July is 31 °C (88 °F). The great temperature for lying by the sea or pool and sunbathing, everywhere else you will probably be a bit hot. Don't forget to drink during the day, in these temperatures you should hydrate yourself a lot.
In Kefalonia in August, you will enjoy nice warm weather, but it will also be pleasant and you probably won't feel hot.
No, there is no wet season in Kefalonia in September - you can expect 4 days of rain during the month.
In Kefalonia in October, we can expect 7 days to be rainy, that is, days when precipitation exceeds 2 mm (0.08 in). Converted to days of the week, this means that it will occur on an average of 1.7 days of the week, or in general - 25 % days.