Kefalonia weather in October 2025

Expect 72°F daytime maximum temperatures in the shade with on average 7 hours of sunshine per day in Kefalonia in October. Check more long-term weather averages for Kefalonia in October before you book your next holiday to Kefalonia in 2025/2026.

  • 72°F maximum daytime temperature in October in Kefalonia (Argostoli)72
    72°F max day temperature
  • 7 hours of sunshine per day
  • 10 days with some rainfall in October in Kefalonia (Argostoli)10
    10 days with some rainfall
  • 57°F minimum night-time temperature in October in Kefalonia (Argostoli)57
    57°F min night temperature
  • 11 hours of daylight per day in October in Kefalonia (Argostoli)11
    11 hours of daylight per day
  • No heat & humidity in October in Kefalonia (Argostoli)0
    No heat & humidity
  • 5.3 inches monthly rainfall in October in Kefalonia (Argostoli)5.3
    5.3 inches of monthly rainfall
  • UV (maximum) index 4 (Moderate) in October in Kefalonia (Argostoli)4
    4 (Moderate) UV index
  • 72°F sea temperature in October in Kefalonia (Argostoli)72
    72°F sea temperature

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The October 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 October. Select a holiday destination to see more weather parameters.

All Kefalonia destinations

Metric (°C)  |  Imperial (°F)

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How hot is it in Kefalonia in October?

Daytime temperatures usually reach 72°F in Argostoli, Kefalonia in October, falling to 57°F at night.

How sunny is it in Kefalonia in October?

There are normally 7 hours of bright sunshine each day in Argostoli, Kefalonia in October - that's 61% of daylight hours.

How warm is the sea around Kefalonia in October?

The average sea temperature around Argostoli, Kefalonia in October is 72°F.

Does it rain in Kefalonia in October?

There are usually 10 days with some rain in Argostoli, Kefalonia in October and the average monthly rainfall is 5.3 inches.

Kefalonia October sunrise & sunset times

Browse the sunrise and sunset times for Kefalonia in October 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
Wednesday, 1st October 2025 06:34 18:21
Thursday, 16th October 2025 06:48 17:59
Friday, 31st October 2025 07:03 17:40

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