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Best time to visit Kefalonia
The best times to visit Kefalonia (Argostoli) are in May, June and September based on our default weather conditions. Update your weather preferences to see which months best match.
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Kefalonia by month
Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
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Top Kefalonia destinations
Below are the temperatures expected today at popular countries, regions and places in Kefalonia. Select a destination to compare today's forecast with average weather conditions.
All Kefalonia destinations
- Aghia Efimia
- Argostoli
- Assos
- Bazukata
- Chalikeri
- Fiskardo
- Karavados
- Katelios
- Lakithra
- Lassi
- Lixouri
- Lourdas
- Minies
- Myrtos Bay
- Poros
- Sami
- Skala
- Spartia
- Svoronata
- Trapezaki
When is the best time to visit Kefalonia?
Max Day Temperature (°F)
- Jan
55 - Feb55
- Mar
59 - Apr
64 - May
73 - Jun
81 - Jul
86 - Aug86
- Sep81
- Oct72
- Nov64
- Dec59
Best time to visit
The weather guide for Kefalonia (Argostoli) shows long term weather averages processed from data supplied by CRU (University of East Anglia) & today's weather forecast provided by meteoblue. Find out more about our data sources.
Metric (°C) | Imperial (°F)
More about Kefalonia
Explore our complete guide to Kefalonia with the latest travel advice for travellers and holidaymakers including official updates and local travel tips for Kefalonia.
Kefalonia travel guide - essential info
Below is a beginner's guide to Kefalonia with essential travel facts such as dominant language spoken, typical flight time from the UK and the local currency. You can also check whether visas are required and what plug adapter you need to pack.
| Kefalonia - quick facts | |
|---|---|
| Flight time✝ | 3.5 hours |
| Time difference | UK +2 hours |
| Language(s) | Greek |
| Currency | Euro |
| Electricity | C + F plug (230V) |
| Driving side | Right |
✝ = Typical flight time from the UK.
Travelling to Kefalonia?
Browse holidays, flights, hotels and more from popular travel providers for your escape to Kefalonia in 2026/2027.
Holidays to Kefalonia
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Kefalonia travel deals
Check out the latest deals, discount codes and special offers on holidays, flights, hotels and more for Kefalonia in 2026/2027. Pay low deposits and save with last minute holidays, early bird offers and free kids places where available.
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Kefalonia travel guidance
Check the latest travel guidance and advice on visiting Kefalonia from official government sources (in english) from around the world including entry requirements and travel restrictions.
- UK traveller advice for Kefalonia - UK FCDO
- Irish traveller advice for Kefalonia - Department of Foreign Affairs, Ireland
- Safe travel advisories for Kefalonia - Ministry of Foreign Affairs, New Zealand
- Smarter traveller advice for Kefalonia - Department of Foreign Affairs, Australia
Learn more about the current safety and security risks from terrorism, natural disasters and more. Read about the local laws and customs to consider when travelling around Kefalonia.
Note: UK FCDO - UK Foreign, Commonwealth & Development Office
Kefalonia travel health
Find out more about staying safe when travelling to Kefalonia with the latest guidance on required vaccinations and recommended medication to take with you.
- Vaccines & medicines for Kefalonia - CDC
- Health & vaccinations for Kefalonia - TravelHealthPro, NaTHNac
- How to stay safe & healthy in Kefalonia - Fit for Travel, Public Health Scotland
Check out the general travel tips for staying safe and healthy in Kefalonia, risks of preventable diseases and what to pack.
Note: CDC - Centers for Disease Control and Prevention
Kefalonia travel features
Do you want to learn more about Kefalonia? Read our latest features covering travel tips and insider destination guides on where to go and what to do in Kefalonia.
Kefalonia FAQs
Read our frequently asked questions about travelling to Kefalonia including the current entry restrictions, driving side, electrical plugs used and much more.
Which is the hottest month in Kefalonia?
The hottest time of year in Argostoli, Kefalonia is normally August. Expect maximum daytime temperatures to reach 86°F with high heat and humidity.
Which month has the most rain in Kefalonia?
In terms of rainfall, December is usually the wettest month in Argostoli, Kefalonia with 7.4 inches on average. There are normally 15 days in December with some rain.
When is it sunniest in Kefalonia?
The sunniest time of year in Argostoli, Kefalonia is normally July with bright sunshine on average for 88% of daylight hours; that's 13 hours of sunshine per day.
When is the sea warmest in Kefalonia?
The sea is usually at its warmest in Argostoli, Kefalonia in August when the water temperature reaches 79°F.
What is the flight time to Kefalonia from the UK?
The flight time to Kefalonia from the UK is typically 3.5 hours.
What is the time difference between Kefalonia and the UK?
The time difference between Kefalonia and the UK is UK time+2 hours.
What is the main language spoken in Kefalonia?
The main language spoken in Kefalonia is Greek.
Learn a language for Kefalonia with Rosetta Stone*.
What is the currency in Kefalonia?
The currency in Kefalonia is the Euro (EUR).
Send money to Kefalonia with XE Money Transfers* and TransferGo*.
Which plugs are used in Kefalonia?
Kefalonia uses electrical plug type C + F (230 Volts).
Which side of the road do they drive on in Kefalonia?
They drive on the right side of the road in Kefalonia.
Find out more about driving in Greece with RAC* and International Drivers Association*.
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