Kefalonia Weather & Climate: Best Time to Visit
Average temperatures, rainfall, sunshine and the best time to visit Kefalonia.
Climate overview of Kefalonia
Kefalonia, Greece, experiences significant temperature variation throughout the year. Summers bring daytime highs of 27°C (81°F) in August, while winters cool to 14°C (57°F) in February.
Annual rainfall is moderate at around 918 mm (36 in), with December being the wettest month. The city also has a distinct dry season from May to August, with warm summers and mild winters.
Kefalonia Weather by Month
Pick a month to see the average temperature, rainfall and sunshine in Kefalonia - and find the best time to visit.
Monthly Temperature in Kefalonia
Depending on the time of the year, temperatures range from comfortable to moderate in Kefalonia. Average daytime temperatures reach a comfortable 27°C (81°F) in August. In February, the coolest month of the year, temperatures drop to a moderate 14°C (57°F).
At night, temperatures range from around 25°C (77°F) in August to 11°C (52°F) in February.
Check out our detailed temperature page for more information.
Temperature ranges by month
Rainfall in Kefalonia
Generally, Kefalonia has a moderate amount of precipitation, averaging 918 mm (36 in) of rainfall annually. Kefalonia can be quite wet during December, receiving approximately 165 mm (6.5 in) of precipitation over 15 rainy days.
In contrast, during the driest month (July), you will experience much drier conditions, with 5.5 mm (0.2 in) of precipitation spread across 3 rainy days. For more details, please visit our Kefalonia Precipitation page.
The mean monthly precipitation over the year, including rain, hail, and snow
The average number of days each month with precipitation
Best Time to Visit Kefalonia
Monthly ratings reflect general weather comfort, based on daytime temperature and rainfall. Swimming and winter conditions are highlighted separately where relevant.
- Best overall: May, June, July, August and September
- Warmest weather: July and August
- Fewest rainy days: June, July, August and September
- Wettest months: January, February, March, October, November and December, when rainfall is highest.
- Seasonal pattern: A distinct dry season from May to August, with warm summers and mild winters
Frequently asked questions about the climate in Kefalonia
What is the best time to visit Kefalonia?
May, June, July, August and September typically offer the most optimal weather in Kefalonia. In contrast, January, February and December tend to have less optimal conditions. Kefalonia has a distinct dry season from May to August, with warm summers and mild winters.
What temperatures can I expect in Kefalonia?
Daytime highs range from 14°C (57°F) in February to 27°C (81°F) in August. Nighttime lows range from 11°C (52°F) to 25°C (77°F). Temperatures vary considerably through the year.
How much rain does Kefalonia get?
Annual rainfall is around 918 mm (36 in). December is the wettest month with 165 mm (6.5 in), while July is the driest with 5.5 mm (0.2 in).
Kefalonia 3-Day Forecast
Kefalonia on the map
Kefalonia is highlighted - select any city to see its climate.
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