30YearWeather
Kefalonia, June 4
Kefalonia street view during June
Historical Weather Analysis

Kefalonia Weather on June 4 — Best Time to Visit?

Based on 30 years of historical data, we have the answer.

clear-day

24.2°C

High

19.1°C

Low

2%

Rain

☀️ Feels like 24.9°C (humidity)

clear-day
YES, IT'S PARADISE
Peak Season

June 4 is statistically one of the best days of the year in Kefalonia. With minimal rain risk (2%) and pleasant highs of 24°C, it's ideal for outdoor adventures. As it's peak season for Kefalonia, we recommend booking your stay well in advance to secure the best rates.

Currency

EUR

Euro

Language

Greek

Driving

Right side

Connect

Free wifi is provided in many apartments...

Safety

High Safety

GPI: 1.838

Kefalonia Weather Forecast for June 4

"Mild & Comfortable. Expect average highs of 24.2°C. 2% chance of rain."

What to Wear in Kefalonia in June

Based on historical data for June 4, Kefalonia typically experiences temperatures between 19.1°C and 24.2°C. We recommend packing t-shirt, light clothing to stay comfortable. Trends suggest it will stay mostly dry (2% rain probability), but checking the forecast before heading out is always wise.

Complete Packing Guide

Weekly breakdown & essential items for Kefalonia

View Guide

Smart Suitcase

  • T-Shirt
  • Light Clothing

Average High

extreme-hot

24.2°C

Daytime Peak

Average Low

extreme-cold

19.1°C

Nighttime Low

Feels Like

partly-cloudy-day

24.9°C

☀️ Feels accurate

Rain Chance

rain

2%

Avg 0.1mm if it rains

Cloud Cover

cloudy

28%

Overcast

Pressure

pressure

1015 hPa

Low volatility

Kefalonia Weather Conditions & UV Index

Weather Confidence

30-year variance analysis

92%Highly Predictable

Based on 10 years of data

Temperature
±3.2°CModerate
Precipitation
0-3%Predictable

🎯 This date historically delivers consistent weather 92% of the time. Safe to plan outdoor activities with confidence.

Sun Exposure

UV Index & Safety Guide

7.6High
036811+

Protection Needed

SPF 30+ required, seek shade

Safe Sun Windows
Morning

06:00 - 10:00

Afternoon

16:00 - 20:00

Peak danger: 11:00 - 15:00
Time to Sunburn

Type I-II

🔴 11 min to burn

Type III-IV

🟡 17 min to burn

Type V-VI

🟢 28 min to burn

UV estimate based on latitude, season & cloud cover. Actual UV may vary.

Outdoor Comfort

How pleasant is it outside?

78Good
TemperatureWarm
HumidityMuggy
WindBreezy

Dew Point

19.7°C

Noticeable

Heat Stress

Low

No heat warning

🙂 Best outdoor time:
Any time during daylight hours

Marine Conditions

Water Temp
21.8°C
🏊 Swimming Pool
Avg daily surface temperature
Surf Conditions
0.35m
🌊 Lake-like
Max daily wave height
Advisories

Marine Life

No special warnings. Enjoy the swim!

Swim Index

✅ Excellent Swimming Conditions

Travel & Logistics Insights

Local Calendar

Business Day

Standard hours in Greece

Flight Traffic

High

100/100 pressure index

Health Advisory

Required

1 vaccine • View Details →

Landing Slots

~18

Daily arrival options (inc. codeshare)

Sunrise, Sunset & Wind in Kefalonia

Daylight & Sun

Solar Elevation Cycle

🌅 Sunrise

06:17

☀️ Noon

13:37

🌇 Sunset

20:58

⏱️ Daylight

14h 41m

Golden Hour
Morning06:17 - 06:56
20:19 - 20:58Evening

Wind Speed

wind

19.2 km/h

Gentle breeze

Sunshine

clear-day

12.9 hrs

Direct Sun (Cloud-free)

Humidity

humidity

76%

Humid / Damp

Travel Intelligence

Exclusive flight analytics & health data for Kefalonia

Smart Flight Estimator

Airport-to-Airport Logistics

unlock smart flight estimates

Add your home location in settings to see airport details.

Travel Health & Safety in Kefalonia

Travel Comfort Index

Real-time tourism conditions

Weather Quality

☀️ Excellent

98/100

Tourist Crowds

🔴 Very Busy

90/100

Price Level

💰💰💰 Expensive

90/100

Health & Wellbeing

Meteo-Health Forecast

100Score
Atmospheric Pressure1015 hPa
Volatility:Low
Migraine RiskLow

Stable conditions. Low risk of headaches.

Joint Pain RiskLow

Weather unlikely to affect joint pain.

Fishing IndexFair

Moderate fish activity expected.

Air Quality Forecast
31AQI
Good
PM2.5 Concentration4.6 µg/m³

Air quality is excellent. Perfect for outdoor activities.

Regional Safety Profile

Very High

Seismic Activity

Very high seismic risk. Ring of Fire territory.

Total events (30y):1004
In Jun (30y):55
Last in Jun:2025-06-24
💡 High seismic zone. Familiarize yourself with 'Drop, Cover, Hold On' procedures.

Travel Alert: This region has elevated natural risks. We recommend registering with your embassy and keeping emergency numbers handy.

"According to 30YearWeather's analysis of 30 years of NASA satellite data, Kefalonia on June 4 averages 24.2°C with a 2% precipitation probability. Wedding/Outdoor Event Score: 100/100."

— Source: 30YearWeather.com|Data: NASA POWER (1991-2021)|View Methodology

Kefalonia Weather History (2010–2024)

Temperature History

Loading chart...

Hall of Fame

Records from last 10 years

Hottest
2022
31.3°C
Coldest
2021
15.1°C
Rainiest
2023
0.4mm

Compare Other Cities

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📍 Is Kefalonia Worth Visiting on June 4?

Planning a trip to Kefalonia on June 4? Our historical weather analysis based on 30 years of NASA satellite data shows that this time of year is characterized by pleasant mild weather averaging 24.2°C with a 2% historical precipitation risk.

✈️ Travel Logistics: Approximately 18 landing slots available daily during this period, indicating manageable crowd levels.

💉 Health Advisory: 6 vaccinations are recommended for Greece, including COVID-19.

🌊 Coastal Conditions: Water temperature averages 21.8°C (swimming pool). Wave conditions are generally lake-like with heights around 0.35m.

📊 Historical Extremes: The hottest June 4 recorded in the last 30 years saw temperatures hit 31.3°C in 2022, while the coldest dropped to 15.1°C in 2021.

Kefalonia Weather FAQ