Argostoli, Kefalonia weather in April
Temperature, sea and sunshine in April: long-term averages from 30 years of weather data, not a forecast.
Holiday weather in April
Poor
Best time to visit: June – September
What is the weather like in Argostoli, Kefalonia in April?
In April, Argostoli, Kefalonia is mild: daytime highs average 17 °C, and nights cool down to about 14 °C. The sea averages 16.3 °C – swimming is only for the hardy. With around 9 hours of sunshine a day, there is plenty of sun. Rain falls on about 6 days, adding up to 36 mm. All in all, April is not an ideal month for a holiday in Argostoli, Kefalonia.
April compared
How the weather changes from March to May. Tap a month to open it.
More details for April
- Daylight
- 13 h 9 min07:04 – 20:13
- UV index
- 8 · very highclear sky, noon (estimate)
- Muggy days
- 0 daysdew point 18 °C or more
- Wind
- 28 km/haverage daily peak
- Cloud cover
- 40 %on average
- Hot days
- 0 days30 °C or more
- Time zone
- UTC+3Europe/Athens
How the score comes together
- Temperatureweight 35 %0 %
- Seaweight 25 %0 %
- Sunshineweight 20 %100 %
- Few rainy daysweight 20 %84 %
Each factor is rated from 0 to 100 % and weighted for the travel style “Sun, sea & sand”.
What to pack in April
- Sunscreen
- Sunglasses & sun hat
- A jumper for the evenings
Argostoli, Kefalonia in April: quick answers
Is Argostoli, Kefalonia hot in April?
No. In April, Argostoli, Kefalonia is mild: daytime highs average 17 °C and nights drop to about 14 °C.
Can you swim in Argostoli, Kefalonia in April?
Only if you don't mind cold water: in April the sea averages just 16.3 °C. Comfortable swimming is possible from June to November.
Does it rain much in Argostoli, Kefalonia in April?
Rain falls on about 6 days, adding up to 36 mm.
Argostoli, Kefalonia month by month
The whole year in Argostoli, KefaloniaAll destinations: Greece
Climate averages 1996–2025, not a forecast. Data: Copernicus ERA5 / ERA5-Land via Open-Meteo.com (CC BY 4.0), NOAA OISST, GeoNames (CC BY 4.0)