Best time to visit Kefalonia

Find the best time to visit Kefalonia and plan your perfect trip in 2025/2026. Get holiday inspiration, weather guides, travel advice and find great deals.

Kefalonia by month

Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec

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Top Kefalonia destinations

Below are the temperatures expected today at popular countries, regions and places in Kefalonia. Select a destination to compare today's forecast with average weather conditions.

All Kefalonia destinations

When is the best time to visit Kefalonia?

The best time to visit Kefalonia (Argostoli) is June based on the following average weather conditions.

Maximum daytime temperature = 22 - 30°C [remove]
Daily hours of sunshine = 10 hours or more [remove]

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Max Day Temperature (°C)

  • 13°C maximum daytime temperature in January in Kefalonia (Argostoli)13
    Jan
  • 13°C maximum daytime temperature in February in Kefalonia (Argostoli)13
    Feb
  • 15°C maximum daytime temperature in March in Kefalonia (Argostoli)15
    Mar
  • 18°C maximum daytime temperature in April in Kefalonia (Argostoli)18
    Apr
  • 23°C maximum daytime temperature in May in Kefalonia (Argostoli)23
    May
  • 27°C maximum daytime temperature in June in Kefalonia (Argostoli)27
    Jun
  • 30°C maximum daytime temperature in July in Kefalonia (Argostoli)30
    Jul
  • 30°C maximum daytime temperature in August in Kefalonia (Argostoli)30
    Aug
  • 27°C maximum daytime temperature in September in Kefalonia (Argostoli)27
    Sep
  • 22°C maximum daytime temperature in October in Kefalonia (Argostoli)22
    Oct
  • 18°C maximum daytime temperature in November in Kefalonia (Argostoli)18
    Nov
  • 15°C maximum daytime temperature in December in Kefalonia (Argostoli)15
    Dec

Hours of Sunshine (daily)

Which is the hottest month in Kefalonia?

The hottest time of year in Argostoli, Kefalonia is normally August. Expect maximum daytime temperatures to reach 30°C with high heat and humidity.

Which month has the most rain in Kefalonia?

In terms of rainfall, December is usually the wettest month in Argostoli, Kefalonia with 187mm on average. There are normally 15 days in December with some rain.

When is it sunniest in Kefalonia?

The sunniest time of year in Argostoli, Kefalonia is normally July with bright sunshine on average for 88% of daylight hours; that's 13 hours of sunshine per day.

When is the sea warmest in Kefalonia?

The sea is usually at its warmest in Argostoli, Kefalonia in August when the water temperature reaches 26°C.

Best time to visit

The weather guide for Kefalonia (Argostoli) shows long term weather averages processed from data supplied by CRU (University of East Anglia) & today's weather forecast provided by meteoblue. Find out more about our data sources.

Metric (°C / mm)  |  Imperial (°F / inches)

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Kefalonia travel features

Do you want to learn more about Kefalonia? Read our latest features covering travel tips and insider destination guides on where to go and what to do in Kefalonia.

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