Month summary
Kefalonia weather in December
⚠️ Fair
🌡️ Temperature min / max
11°C – 16°C
🌧 Rainy days
43% of days
☀️ Sunshine
8.3h per day on average
🌊 🌊 Season
Winter
⭐ ⭐ Weather score
5.8/10
📅 📅 Best month
June (9.4/10)
Quick decision
Should you visit Kefalonia in December?
⚠️ Fair
✅ Yes if: you want the lowest prices and minimal crowds.
❌ No if: you're looking for summer weather — conditions don't support it.
Our take: Kefalonia in December is possible but June offers a score of 9.4/10 vs 5.8.
By trip type
Kefalonia in December by trip type
- 🏙️ 🏙️ City break / culture : ⚠️ Possible
- 🚶 🚶 Outdoor activities : ❌ Not recommended
- 🏖️ Beach / swimming : ❌ Not recommended
- 💰 💰 Budget : ✅ Low season
Local context
What to expect in December
🎯 Quiet season in the vineyards — intimate tastings and reduced prices In December, Kefalonia sees 16°C during the day with 8.3h of sunshine per day. Expect rain on 43% of days — a light raincoat in the bag is recommended. Not the best window, but acceptable if dates are constrained. June (9.4/10) is significantly better if possible.
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Annual table
Month-by-month comparison
| Month | Min °C | Max °C | Rain % | Precip mm | 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
◀ Current month · Source Open-Meteo · 10 years
📊 Data source
Data based on 10 years of ERA5 records via Open-Meteo, with ECMWF seasonal adjustment. In December, Kefalonia averages 16°C, 43% rainy days and 8.3h of sunshine per day. Overall weather score: 5.8/10.
See methodology →
Comparison
December vs June (best month)
The best month is June (score 9.4/10). Difference:
- 🌡️ Max temperature : +11°C
- 🌧 Rainy days : -32%
- ☀️ Sunshine : +4.9h/day
FAQ
FAQ — Kefalonia in December
Is December a good time to visit Kefalonia?
December is an acceptable time for Kefalonia (score 5.8/10). Conditions are decent but not optimal — consider June (9.4/10) if possible.
What to do in Kefalonia in December?
With 16°C max and 8.3h of sunshine, favour indoor activities — museums, spas, gastronomy.
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