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Best Time for The Ionian Islands: Corfu to Kefalonia

Last updated: 2026-09-12

Sweet spot: March, April, May. Computed from NASA POWER climate normals across the route's overnight towns, balancing temperature, rainfall and daylight.

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Ferries and the Lefkada causeway flow freely, Porto Katsiki and Myrtos gleam without the August anchor-to-anchor flotillas, and the olive groves hum.
The Vasiliki–Fiscardo ferry that connects Lefkada to Kefalonia does not operate in these months, so this three-island journey cannot be completed as advertised. Choose a date from April to October, then verify the exact Corfu–Lefkada and Vasiliki–Fiscardo sailings before booking.
The island crossings operate on dated shoulder-season timetables and many beach services are reduced. Verify both ferry legs before booking and keep the transfer days flexible.

Month	Low	High	Rain	Daylight
January	9.5°C	12.9°C	121 mm	9.6 h
February	9.5°C	13.2°C	98 mm	10.5 h
March	11.1°C	15.1°C	83 mm	11.7 h
April	13.3°C	17.8°C	48 mm	13.0 h
May	16.9°C	21.7°C	35 mm	14.1 h
June	20.9°C	26.1°C	23 mm	14.7 h
July	23.5°C	29.0°C	14 mm	14.5 h
August	24.2°C	29.6°C	21 mm	13.5 h
September	21.7°C	26.0°C	79 mm	12.2 h
October	18.1°C	22.2°C	108 mm	11.0 h
November	14.8°C	18.4°C	137 mm	9.8 h
December	11.1°C	14.5°C	151 mm	9.3 h

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