Kefalonia weather at a glanceKefalonia has a Mediterranean climate with hot dry summers and mild wetter winters.
Understanding Kefalonia’s climate
The sea moderates temperatures, but mountains, exposure and wind create local differences. An Argostoli forecast does not always describe Myrtos, Fiskardo or Skala.
Heat and dry weather dominate from June to September; autumn and winter bring more frequent rain. Sun protection, water and attention to wind are essential in summer.
Indicative average temperatures
Rounded values help with planning and do not replace a forecast.
| Month | Average high | Average low |
|---|---|---|
| January | 14° | 8° |
| February | 14° | 8° |
| March | 16° | 9° |
| April | 19° | 12° |
| May | 24° | 16° |
| June | 29° | 20° |
| July | 31° | 23° |
| August | 31° | 23° |
| September | 27° | 20° |
| October | 23° | 16° |
| November | 19° | 13° |
| December | 15° | 10° |
Frequently asked questions about Kefalonia weather
What is Kefalonia’s climate like?
Kefalonia has a Mediterranean climate with hot dry summers and mild wetter winters.
What are the hottest months in Kefalonia?
July and August are usually the hottest months, with average highs around 31 °C.
When does Kefalonia receive most rain?
Rainfall increases mainly from October to March, while summer is much drier.
Data and sources
Conditions and forecasts are requested from Open-Meteo for the selected coordinates and Europe/Athens time zone.