GR Kefalonia · Winter

Kefalonia in December
what's the weather like?

Kefalonia in December? Not the best window — aim for June.

Open-Meteo · 10 years · 12 months compared · 38.18°N 20.49°E
16°CMax temperature
43%Rainy days
8.3hSunshine / day

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)

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.

🌧 Rain : ████░░░░░░ 43%
🌡 Temperature : ████░░░░░░ 16°C
☀️ Sunshine : ██████░░░░ 8.3h/d

Our take: Kefalonia in December is possible but June offers a score of 9.4/10 vs 5.8.

Kefalonia in December by trip type

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.

All months for Kefalonia

Month-by-month comparison

MonthMin °CMax °CRain %Precip mmSun h/dScore
🌦️ January9°C14°C48%4.88.3h4.6/10
⛅ February9°C15°C33%3.19.5h6.9/10
⛅ March10°C16°C37%2.610.3h7.0/10
🌤️ April13°C18°C22%1.311.8h7.4/10
🌤️ May16°C22°C22%1.313.0h8.3/10
☀️ June21°C27°C11%0.613.2h9.4/10
☀️ July23°C30°C3%0.313.4h9.2/10
☀️ August24°C30°C8%0.312.6h8.9/10
☀️ September21°C27°C21%2.211.0h8.6/10
🌤️ October17°C23°C29%3.49.8h7.7/10
🌦️ November14°C19°C47%7.08.8h7.0/10
🌦️ December11°C16°C43%4.98.3h5.8/10
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 →

December vs June (best month)

The best month is June (score 9.4/10). Difference:

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.

Find a place to stay in Kefalonia

Find places to stay in Kefalonia in December Search on Hotels.com

Activities and tours in Kefalonia

Guided tours, skip-the-line tickets and local experiences. Browse activities on GetYourGuide

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Real-time data with ECMWF seasonal corrections · updated daily

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