Kefalonia weather in April
Greece

April in Kefalonia: nice, dry, with muggy air — a great time to visit.
#7 of 12 months in Kefalonia · #719 of 1383 destinations to visit in April · comfort 78/100 (tier B)
Updated September 2026 · climate normals from ERA5 reanalysis
Traveller notes on Kefalonia in April
Other months in Kefalonia
Kefalonia's forum puts August around 30°C in the shade with roughly 12 hours of sunshine a day, capable of hitting 40°C on the hottest days especially early in the month. Regulars describe the classic siesta rhythm — sightseeing before 11:30am, shade and a long lunch through the peak heat, back out around 4pm — and note the Greek heat feels notably less oppressive than a 30°C day in a humid climate.
Add your own note from Kefalonia's card on the map.
Kefalonia climate normals — April
| Daytime high | 21°C / 69°F | 😎 nice |
|---|---|---|
| Nighttime low | 12°C / 54°F | |
| Feels like (high) | 21°C / 70°F | |
| Sea temperature | 16°C / 61°F | 🧊 bracing |
| Rainfall | 28 mm / 1.1 in | ☀️ dry |
| Rainy days | 5 days | |
| Humidity | 76% | 💦 very humid |
| Dew point | 12°C / 54°F | |
| Sunshine | 11.4 h/day | |
| Daylight | 13.2 h | |
| Wind | 27 km/h / 17 mph | |
| Air quality (US AQI) | 54 | 🙂 moderate |
Monthly averages from ERA5 reanalysis. AQI is the mean US Air Quality Index for the month.
Crowds in Kefalonia in April
How busy the place itself is — school and mass holidays, the months an editor tagged, and how sought-after the weather makes them. Never part of the comfort score.
Peak crowdsOrthodox Easter, Easter holidays (Orthodox) in Greece, school holidays in 6 of the markets that fill it(estimated)
Peak crowdsBusyShoulder seasonQuiet
Best months for Kefalonia's weather
Ranked by this destination's own climate comfort score across the year — a different thing from how busy it gets (see Crowds above).
Fair weatherKefalonia's weather peaks June–August, best around July.
Best weatherFair weatherToughest weather
What's on in Kefalonia in April
Recurring seasonal events, natural spectacles, closures and holidays — curated and sourced.
- 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 ↗
- 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.
Nearby, and something's on
Within 300 km of Kefalonia — a day trip or a short hop — with something on this month. Never part of the comfort score.
Where is Kefalonia?
Kefalonia in April — FAQ
- Is April a good time to visit Kefalonia?
- April in Kefalonia: nice, dry, with muggy air — a great time to visit. It ranks #7 of 12 months for Kefalonia on SeasonMap's comfort score (78/100).
- What is the weather like in Kefalonia in April?
- In April, Kefalonia averages a daily high of 20.6°C and a low of 12.4°C, with about 28.3 mm of rain over roughly 4.9 rainy days.
- What is the air quality in Kefalonia in April?
- Kefalonia has a mean US Air Quality Index of about 54 in April.
Other months in Kefalonia
Compare Kefalonia in April
Warmer or cooler than Kefalonia in April
Similar destinations in Southern Europe — April
Within 300 km: Corfu's Spring flowers and orchids around 10 Mar – 30 Apr, and Kalabaka's Spring on the rocks around 1 Apr – 31 May.