Kefalonia weather in April 2025

Expect 18°C daytime maximum temperatures in the shade with on average 7 hours of sunshine per day in Kefalonia in April. Check more long-term weather averages for Kefalonia in April before you book your next holiday to Kefalonia in 2025/2026.

  • 18°C maximum daytime temperature in April in Kefalonia (Argostoli)18
    18°C max day temperature
  • 7 hours of sunshine per day
  • 10 days with some rainfall in April in Kefalonia (Argostoli)10
    10 days with some rainfall
  • 10°C minimum night-time temperature in April in Kefalonia (Argostoli)10
    10°C min night temperature
  • 13 hours of daylight per day in April in Kefalonia (Argostoli)13
    13 hours of daylight per day
  • No heat & humidity in April in Kefalonia (Argostoli)0
    No heat & humidity
  • 58 mm monthly rainfall in April in Kefalonia (Argostoli)58
    58 mm of monthly rainfall
  • UV (maximum) index 6 (High) in April in Kefalonia (Argostoli)6
    6 (High) UV index
  • 16°C sea temperature in April in Kefalonia (Argostoli)16
    16°C sea temperature

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The April weather guide for Kefalonia (Argostoli) shows long term weather averages processed from data supplied by CRU (University of East Anglia), the Met Office & the Netherlands Meteorological Institute. Find out more about our data sources.

Top Kefalonia destinations

Below are average maximum temperatures at popular countries, regions and places in Kefalonia in April. Select a holiday destination to see more weather parameters.

All Kefalonia destinations

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

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How hot is it in Kefalonia in April?

Daytime temperatures usually reach 18°C in Argostoli, Kefalonia in April, falling to 10°C at night.

How sunny is it in Kefalonia in April?

There are normally 7 hours of bright sunshine each day in Argostoli, Kefalonia in April - that's 56% of daylight hours.

How warm is the sea around Kefalonia in April?

The average sea temperature around Argostoli, Kefalonia in April is 16°C.

Does it rain in Kefalonia in April?

There are usually 10 days with some rain in Argostoli, Kefalonia in April and the average monthly rainfall is 58mm.

Kefalonia April sunrise & sunset times

Browse the sunrise and sunset times for Kefalonia in April 2025. Select a month to view Kefalonia sunrise and sunset times for the next 12 months. The Kefalonia sunrise and sunset times shown below are for Argostoli.

JanFebMarAprMayJunJulAugSepOctNovDec

Date Sunrise times Sunset times
Tuesday, 1st April 2025 06:23 19:01
Tuesday, 15th April 2025 06:02 19:14
Wednesday, 30th April 2025 05:43 19:28

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