Kefalonia, GreeceQuick decision
When to visit Kefalonia?
🌞 Best time overall
June
🌡️ Optimal temperature
21°C–27°C in June
🌧 Least rain
11% rainy days in June
🌧 Wettest month
January (48%)
📅 Best score
9.4/10
By trip type
Best time by type of trip
Myrtos BeachJune–September — iconic beach, white cliffs and turquoise water.
Melissani CaveApril–October — blue underground lake, zenith light.
Robola WineSeptember–October — harvest, unique grape and Robola vineyards.
SailingMay–September — Fiskardo, Assos and hidden coves.
Monthly climate data
Kefalonia weather month by month
| Month | Min °C | Max °C | Rainy days (%) | Precip. mm/d | Sun h/d | Score |
|---|---|---|---|---|---|---|
| 🌦️ January | 9°C | 14°C | 48% | 4.8 | 8.3h | 4.6/10 |
| ⛅ February | 9°C | 15°C | 33% | 3.1 | 9.5h | 6.9/10 |
| ⛅ March | 10°C | 16°C | 37% | 2.6 | 10.3h | 7.0/10 |
| 🌤️ April | 13°C | 18°C | 22% | 1.3 | 11.8h | 7.4/10 |
| 🌤️ May | 16°C | 22°C | 22% | 1.3 | 13.0h | 8.3/10 |
| ☀️ June | 21°C | 27°C | 11% | 0.6 | 13.2h | 9.4/10 |
| ☀️ July | 23°C | 30°C | 3% | 0.3 | 13.4h | 9.2/10 |
| ☀️ August | 24°C | 30°C | 8% | 0.3 | 12.6h | 8.9/10 |
| ☀️ September | 21°C | 27°C | 21% | 2.2 | 11.0h | 8.6/10 |
| 🌤️ October | 17°C | 23°C | 29% | 3.4 | 9.8h | 7.7/10 |
| 🌦️ November | 14°C | 19°C | 47% | 7.0 | 8.8h | 7.0/10 |
| 🌦️ December | 11°C | 16°C | 43% | 4.9 | 8.3h | 5.8/10 |
Ideal
Fair
Challenging climate
Source: Open-Meteo · 10 years
Seasonal breakdown
What to expect each season
🌸 Spring (Mar–May) — Good time
Average 19°C, 27% rainy days, 11.7h sunshine/day. Score: 7.6/10.
☀️ Summer (Jun–Aug) — Excellent time
Average 29°C, 7% rainy days, 13.1h sunshine/day. Score: 9.2/10.
🍂 Autumn (Sep–Nov) — Good time
Average 23°C, 32% rainy days, 9.9h sunshine/day. Score: 7.8/10.
❄️ Winter (Dec–Feb) — Acceptable
Average 15°C, 41% rainy days, 8.7h sunshine/day. Score: 5.8/10.
Accommodation
Find a place to stay in Kefalonia
Check availability during the recommended period
Tip : February, March offer a good weather/price balance — decent score with fewer crowds.
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Activities and tours in Kefalonia
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Flights
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Monthly weather
Detailed weather by month
FAQ
Frequently asked questions
June is ideal with 11% rainy days and 27°C.
January is the wettest month with 48% rainy days.
Yes, June is the best month with an average of 27°C.
In winter, the average score is 5.8/10. Acceptable conditions for cultural visits.
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