Kefalonia weather in June 2025

Expect 81°F daytime maximum temperatures in the shade with on average 11 hours of sunshine per day in Kefalonia in June. Check more long-term weather averages for Kefalonia in June before you book your next holiday to Kefalonia in 2025/2026.

  • 81°F maximum daytime temperature in June in Kefalonia (Argostoli)81
    81°F max day temperature
  • 11 hours of sunshine per day
  • 3 days with some rainfall in June in Kefalonia (Argostoli)3
    3 days with some rainfall
  • 63°F minimum night-time temperature in June in Kefalonia (Argostoli)63
    63°F min night temperature
  • 15 hours of daylight per day in June in Kefalonia (Argostoli)15
    15 hours of daylight per day
  • Moderate heat & humidity in June in Kefalonia (Argostoli)M
    Moderate heat & humidity
  • 0.5 inches monthly rainfall in June in Kefalonia (Argostoli)0.5
    0.5 inches of monthly rainfall
  • UV (maximum) index 9 (Very High) in June in Kefalonia (Argostoli)9
    9 (Very High) UV index
  • 72°F sea temperature in June in Kefalonia (Argostoli)72
    72°F sea temperature

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The June 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 June. 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 June?

Daytime temperatures usually reach 81°F in Argostoli, Kefalonia in June with moderate heat and humidity, falling to 63°F at night.

How sunny is it in Kefalonia in June?

There are normally 11 hours of bright sunshine each day in Argostoli, Kefalonia in June - that's 77% of daylight hours.

How warm is the sea around Kefalonia in June?

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

Does it ever rain in Kefalonia in June?

There are usually 3 days with some rain in Argostoli, Kefalonia in June and the average monthly rainfall is 0.5 inches.

Kefalonia June sunrise & sunset times

Browse the sunrise and sunset times for Kefalonia in June 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
Sunday, 1st June 2025 05:17 19:56
Sunday, 15th June 2025 05:14 20:03
Monday, 30th June 2025 05:18 20:05

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