What's on in Kefalonia, Greece through the year
Kefalonia, Greece has 8 curated events through the year — 1 festival, 2 natural spectacles, 2 holidays, 2 seasons and 1 hazard season. The ones to plan around: Snakes of the Virgin, Markopoulo (August) and Orthodox Easter (April). April and August are its peak-crowd months.
Updated September 2026 · every event curated and sourced · dates for 2026 where they are announced, the usual window where they are not
Kefalonia events and crowds by month
| Month | What starts | Crowds |
|---|---|---|
| January | — | Busy |
| February | — | Shoulder season |
| March | — | Shoulder season |
| April | Orthodox Easter | Peak crowds |
| May | Loggerhead turtles | Shoulder season |
| June | Sea warm enough to swim, Wildfire season | Busy |
| July | — | Busy |
| August | August peak, Snakes of the Virgin, Markopoulo, Robola harvest | Peak crowds |
| September | — | Busy |
| October | Out of season | Shoulder season |
| November | — | Quiet |
| December | — | Busy |
January in Kefalonia
Kefalonia weather in January →Busy — Christmas holidays in Greece, school holidays in 7 of the markets that fill it
Nothing new starts in January.
Still on: Out of season (20 Oct – 15 Apr)
February in Kefalonia
Kefalonia weather in February →Shoulder season — school holidays in 3 of the markets that fill it, an ordinary month
Nothing new starts in February.
Still on: Out of season (20 Oct – 15 Apr)
March in Kefalonia
Kefalonia weather in March →Shoulder season — school holidays in 4 of the markets that fill it, an ordinary month
Nothing new starts in March.
Still on: Out of season (20 Oct – 15 Apr)
April in Kefalonia
Kefalonia weather in April →Peak crowds — Orthodox Easter, Easter holidays (Orthodox) in Greece
- Holiday
Orthodox Easter
10–13 AprEaster & Holy WeekCrowdedBook earlyAthens comes over for the long weekend and it is the moment the island wakes up: tavernas reopen, the ferries add sailings and the villages roast lamb on the Sunday. Source ↗
Still on: Out of season (20 Oct – 15 Apr)
May in Kefalonia
Kefalonia weather in May →Shoulder season — school holidays in 4 of the markets that fill it, an ordinary month
- Nature
Loggerhead turtles
1 May – 15 Sep · usuallyTurtle nestingLoggerheads nest on the south-coast beaches around Katelios through the summer, and adults hang around the fishing boats in Argostoli harbour waiting for scraps.
Still on: Orthodox Easter (10–13 Apr)
June in Kefalonia
Kefalonia weather in June →Busy — Summer holidays in Greece, school holidays in 4 of the markets that fill it
- Season
Sea warm enough to swim
1 Jun – 15 Oct · usuallyThe Ionian is calmer and clearer than the Aegean because the meltemi does not reach here. Myrtos is the postcard; the small coves on the Paliki side are the swim.
- Hazard
Wildfire season
15 Jun – 30 SepSmoke seasonThe fir forest on Mount Ainos and the scrub above the coast road carry real risk in a dry summer, and the national park closes to visitors on high-risk days. Source ↗
Still on: Loggerhead turtles (1 May – 15 Sep (usually))
July in Kefalonia
Kefalonia weather in July →Busy — Summer holidays in Greece, school holidays in 7 of the markets that fill it
Nothing new starts in July.
Still on: Loggerhead turtles (1 May – 15 Sep (usually)), Sea warm enough to swim (1 Jun – 15 Oct (usually)), Wildfire season (15 Jun – 30 Sep)
August in Kefalonia
Kefalonia weather in August →Peak crowds — August peak, Summer holidays in Greece
- Holiday
August peak
1–31 AugSchool holidaysCrowdedBook earlyGreek holidays and the Dormition on 15 August fill the island at once, and the ferries from Kyllini and Patras are the choke point. Hire cars go before rooms do. Source ↗
- Festival
Snakes of the Virgin, Markopoulo
6–16 AugMajor festivalSmall harmless cat snakes turn up in the church at Markopoulo in the days before 15 August and are handled by the congregation. Villagers read a year with no snakes as a bad sign. Source ↗
- Nature
Robola harvest
20 Aug – 30 Sep · usuallyThe vines grow on limestone rubble on the slopes below Ainos and are picked from late August. The cooperative at Omala opens for tasting through the harvest.
Still on: Loggerhead turtles (1 May – 15 Sep (usually)), Sea warm enough to swim (1 Jun – 15 Oct (usually)), Wildfire season (15 Jun – 30 Sep)
September in Kefalonia
Kefalonia weather in September →Busy — Summer holidays in Greece, school holidays in 3 of the markets that fill it
Nothing new starts in September.
Still on: Loggerhead turtles (1 May – 15 Sep (usually)), Sea warm enough to swim (1 Jun – 15 Oct (usually)), Wildfire season (15 Jun – 30 Sep), Robola harvest (20 Aug – 30 Sep (usually))
October in Kefalonia
Kefalonia weather in October →Shoulder season — school holidays in 4 of the markets that fill it, an ordinary month
- Season
Out of season
20 Oct – 15 AprOff-season shutdownClosuresCharter flights stop, the resorts board up and the ferry timetable thins to a couple of sailings a day. Argostoli and Lixouri stay open; the beach villages do not.
Still on: Sea warm enough to swim (1 Jun – 15 Oct (usually))
November in Kefalonia
Kefalonia weather in November →Quiet — school holidays in 2 of the markets that fill it, one of its worst months for weather
Nothing new starts in November.
Still on: Out of season (20 Oct – 15 Apr)
December in Kefalonia
Kefalonia weather in December →Busy — Christmas holidays in Greece, school holidays in 7 of the markets that fill it
Nothing new starts in December.
Still on: Out of season (20 Oct – 15 Apr)