What is the weather like in Kefalonia in May?

Expect temperatures between 17°C and 22°C with 10% average rain probability and about 8 hours of sunshine daily.

What is the weather like in Kefalonia in May?

Kefalonia in May scores 67/100 based on 30 years of climate data. Recommended for planning your trip.

Who should visit Kefalonia in May?

May in Kefalonia is ideal for: Outdoor enthusiasts, Photographers, Cultural tourists, Honeymoon couples, Business travelers.

Kefalonia Weather in May | 30-Year Forecast

Avg High

22°C

Hottest around day 26

Avg Low

17°C

Coolest around day 1

Rainy Days

0days

10% avg rain chance

Sunshine

8hrs/day

Spring season

Sea Temperature in May

Coastal Waters(Ocean)

19.3°C

Monthly Average

Water Feel

🏊Pleasant

Comfortable for most swimmers

Swim Rating

👍Good for swimming

Based on average sea surface temperature

Body of Water

Coastal Waters

Ocean

Kefalonia coastline

Essential Travel Info for Kefalonia

🗓️ Best Time to Visit 📖 Travel Guide 🍴 Food Guide

Currency

EUR

€ Euro

Language

Greek

Driving

Right side

Connect

Free wifi is provided in many apartments...

Safety

High Safety

GPI: 1.838

Travel Intelligence

Exclusive flight analytics & health data for Kefalonia

Smart Flight Estimator

Airport-to-Airport Logistics

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Add your home location in settings to see airport details.

Flight Connectivity Analysis

Airport traffic data & seasonal patterns

Remote

7/ 100

Traffic Index

Off the beaten path

Peak Daily Arrivals

slots per day

Peak

Jun

Low

Jan

Monthly Traffic Distribution

Jan

Feb

Mar

Apr

May

Jun

Jul

Aug

Sep

Oct

Nov

Dec

Traffic Level

Low Season

Key Connections

Athens Eleftherios Venizelos (ATH)

Preveza/Lefkada Aktion National (PVK)

Zakynthos Island Dionysios Solomos (ZTH)

Health & Safety Advisory

CDC travel health recommendations

6 Recommendations

COVID-19

All eligible travelers should be up to date with their COVID-19 vaccines. Please seeYour COVID-19 Vaccinationfor more information.

Hepatitis A

Consider hepatitis A vaccination for most travelers. It is recommended for travelers who will be doing higher risk activities, such as visiting smaller cities, villages, or rural areas where a traveler might get infected through food or water. It is recommended for travelers who plan on eating street food.

Hepatitis B

Recommended for unvaccinated travelers younger than 60 years old traveling to Greece. Unvaccinated travelers 60 years and older may get vaccinated before traveling to Greece.

Measles

Cases of measles are on the rise worldwide. Travelers are at risk of measles if they have not been fully vaccinated at least two weeks prior to departure, or have not had measles in the past, and travel internationally to areas where measles is spreading.All international travelers should be fully vaccinated against measles with the measles-mumps-rubella (MMR) vaccine, including an early dose for infants 6–11 months, according toCDC’s measles vaccination recommendations for international travel.

Rabies

Dogs infected with rabies are not commonly found in Greece.If rabies exposures occur while in Greece, rabies vaccines are typically available throughout most of the country.Rabies pre-exposure vaccination considerations include whether travelers 1) will be performing occupational or recreational activities that increase risk for exposure to potentially rabid animals and 2) might have difficulty getting prompt access to safe post-exposure prophylaxis.Please consult with a healthcare provider to determine whether you should receive pre-exposure vaccination before travel.For more information, seecountry rabies status assessments.

Yellow Fever

CDC recommendations:Vaccine isnotrecommended.Country entry requirements:Vaccine isnotrequired.Updated April 23, 2025

Source: CDC Travelers' Health

View Complete Health Guide

Is May a Good Time to Visit Kefalonia?

👍Recommended for planning your trip(67/100)

Short Answer

Perfect travel weather awaits in Kefalonia during May - 22°C highs, 77% humidity, and 10% rain probability make this an optimal time for outdoor activities.

Decision Factors

Vaccinations required

Yellow Fever

Seismically active region

60 earthquakes recorded in this month (30-year data)

Ideal temperature range

21.7°C - perfect for sightseeing and outdoor activities

Excellent dry conditions

Only 10% rain probability - ideal for outdoor activities

Health precautions needed

Be aware of: Leptospirosis, Crimean-Congo Hemorrhagic fever, Leishmaniasis

Plenty of sunshine

12.2h of sunshine daily

Good For

🥾
Outdoor enthusiasts
Ideal hiking conditions: 21.7°C, 10% rain chance
📸
Photographers
12.2h sunshine, 66% clear skies for golden hour shots
🏛️
Cultural tourists
Comfortable conditions for exploring museums and sites
💑
Honeymoon couples
Wedding score 100/100 with romantic weather conditions
💼
Business travelers
Climate-controlled meetings unaffected by weather

Who Should Avoid

👴
Elderly travelers
77% humidity creates difficult conditions

"According to 30YearWeather's analysis of 30 years of NASA POWER satellite data,Kefalonia in May averages 22°C with 10% precipitation probability."

📊 Source: 30YearWeather.com🛰️ Data: NASA POWER (1991-2021)View Methodology →

Frequently Asked Questions: Kefalonia in May

What are the temperatures in Kefalonia in May?

Daytime highs average 22°C, nights drop to 17°C. Temperatures remain fairly consistent.

How many rainy days in Kefalonia in May?

Expect around 0 days with measurable rainfall. Rain is unlikely to disrupt plans.

What to wear in Kefalonia in May?

Comfortable casual wear with a light jacket for evenings.

Is May peak season in Kefalonia?

This is typically peak season with higher prices. Book 2-3 months ahead.

Kefalonia Weather in May

Sea Temperature in May

Kefalonia May Weather Calendar

Essential Travel Info for Kefalonia

Travel Intelligence

Smart Flight Estimator

Flight Connectivity Analysis

Monthly Traffic Distribution

Key Connections

Health & Safety Advisory

COVID-19

Hepatitis A

Hepatitis B

Measles

Rabies

Yellow Fever

Is May a Good Time to Visit Kefalonia?

Decision Factors

Good For

Who Should Avoid

Related Guides

Frequently Asked Questions: Kefalonia in May

What are the temperatures in Kefalonia in May?

How many rainy days in Kefalonia in May?

What to wear in Kefalonia in May?

Is May peak season in Kefalonia?