Kefalonia (Greece) in general has a hot climate. Temperatures during the day are in the range from 12.7 °C (54.9 °F) in January to 31.1 °C (88.0 °F) in August. The highest sea temperatures in Kefalonia are in August with 25.4 °C (77.8 °F) and the lowest in February with 14.9 °C (58.8 °F). Temperatures during the night go from 5.7 °C (42.3 °F) in February to 20.3 °C (68.5 °F) in August. The least rainy month in Kefalonia is July with its 1 days of rain, the rainiest month is December, when it rains 12 days.

January weather

The minimum of the day temperature can be noticed, its value is 12.7 °C (54.9 °F) in Kefalonia, while the descent of the sea temperature can be observed, with its value being 15.6 °C (60.0 °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 6.0 °C (42.8 °F).

February weather

The minimum of the sea temperature can be noticed, the value of this measure is 14.9 °C (58.8 °F) in Kefalonia, and the minimum of the night temperature can be noticed too, with its value of 5.7 °C (42.3 °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.

March weather

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 15.4 °C (59.7 °F), and the night temperature rise's start could be observed as well, its value is 7.9 °C (46.2 °F). The rise of the number of sun hours (without clouds) can be observed, with its value being 6 hours.

April weather

The rise of the day temperature can be observed, its value is 18.9 °C (66.0 °F) in Kefalonia, while the sea temperature rise's start could be observed, with its value being 15.9 °C (60.6 °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 10.2 °C (50.4 °F). The number of sun hours (without clouds) rises similarly to the previous month.

May weather

The day temperature rises similarly to the previous month, with its value being 23.7 °C (74.7 °F) in Kefalonia, and the sea temperature continues to rise too, with its value being 18.7 °C (65.6 °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 13.8 °C (56.8 °F). The dry season is at its beginning.

June weather

The rise of the day temperature can be observed, with its value being 27.9 °C (82.2 °F) in Kefalonia, and the sea temperature continues to rise too, with its value of 22.0 °C (71.6 °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.

July weather

The tourist season continues in Kefalonia. The day temperature continues to rise, the value of this measure is 30.9 °C (87.6 °F), and the sea temperature rises similarly to the previous month as well, with its value being 24.1 °C (75.4 °F). The minimum of the number of rainy days can be noticed, with its value being 1 days, 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.

August weather

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 31.1 °C (88.0 °F). The maximum of the night temperature can be noticed, with its value of 20.3 °C (68.5 °F). The number of sun hours (without clouds) descent's start could be observed in this month.

September weather

The tourist season is taking place in Kefalonia. The day temperature descent's start could be observed, with its value being 27.1 °C (80.8 °F), and the beginning of the descent of the sea temperature could be noticed too, with its value of 24.4 °C (76.0 °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 17.6 °C (63.7 °F).

October weather

The sea temperature continues to descent, its value is 22.4 °C (72.3 °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.

November weather

The day temperature descents similarly to the previous month, its value is 17.4 °C (63.3 °F) in Kefalonia, and the sea temperature descents similarly to the previous month as well, with its value of 19.9 °C (67.7 °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 10.9 °C (51.6 °F). The descent of the number of sun hours (without clouds) can be observed.

December weather

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 7.8 °C (46.0 °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.

FAQs

What is the air temperature in Kefalonia in April at night?

The average night temperature in April in Kefalonia is 10.2 °C (50.4 °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.

What is the sea temperature in May in Kefalonia?

In Kefalonia in May expect the sea to be warm at 18.7 °C (65.6 °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.

Is June a good month to visit Kefalonia?

In Kefalonia in June, there are ideal conditions for a vacation. The daily temperatures in this month reach pleasant 27.9 °C (82.2 °F). You can expect just 2 days of rain during the month, taking an umbrella is not necessary. A sea temperature of 22.0 °C (71.6 °F) can seem colder to some, but others will call it refreshing. The temperature of 17.5 °C (63.5 °F) at night may make it better to dine inside or to put on more clothes for a dinner outside.

What temperature can I expect during the day in July in Kefalonia?

The average daily temperature in Kefalonia in July is 30.9 °C (87.6 °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.

Is it hot in August in Kefalonia?

In Kefalonia in August, you will enjoy nice warm weather, but it will also be pleasant and you probably won't feel hot.

Is September part of the wet season in Kefalonia?

No, there is no wet season in Kefalonia in September - you can expect 4 days of rain during the month.

How many days of precipitation on average can I expect in Kefalonia in October?

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.