December · Greece
Best time to visit Kefalonia in December Weather, crowds & prices
Weather in Kefalonia in December
Average temperature 15°C, 126 mm of rain, about 0 days with 6+ hours of sunshine and 75% humidity — based on the five most recent complete years of ERA5 data (2021–2025).
December score
1.6/10
Ranked #11 of 12 months
- Avg temp
- 15°C
- Rainfall
- 126 mm
- Humidity
- 75%
- Days with 6h+ sun
- 0
- Crowd Density
- Quiet / Uncrowded
- Average Expenses
- $ · Budget Friendly ($)
December in Kefalonia scores 1.6/10 for beach and coastal travel - ranked #11 of 12. Expect around 15°C, 126 mm of rain, and roughly 0 days with 6+ hours of sunshine this month.
Lush Ionian island known for dramatic Myrtos beach cliffs, subterranean Melissani lake, and colorful villages.
December in Kefalonia — the hardest end of the year
December averages 15°C (60°F), the range most people find easiest for walking a city all day without either overheating or losing daylight to weather.
At 126 mm this is a genuinely wet month: almost no days with 6+ hours of sunshine in total, and outdoor plans need an indoor fallback.
It scores 1.6/10 here, 11th of 12 months, against 10/10 in the destination's best month.
Pack layers you can shed by midday plus one warm layer for the evening, a proper rain shell rather than an umbrella.
Plan for low-season pricing, with crowds are light for this destination.
Flexible dates? August scores 8.4 points higher here — enough to change the trip.
Frequently asked
- What is the weather like in Kefalonia in December?
- In December, Kefalonia averages 15°C, 126 mm of rain, and about 0 days with 6+ hours of sunshine. Its climate-comfort score is 1.6/10.
- Is December a good time to visit Kefalonia?
- December earns a 1.6/10 climate-comfort score. Use the year-round chart to weigh the weather against your budget and crowd preferences.
- How much does it rain in Kefalonia in December?
- Expect about 126 mm of rain in December. Average humidity is 75% and there are about 0 days with 6+ hours of sunshine.
Curated in Kefalonia
Tickets & experiences
Things to do in Kefalonia
Kefalonia, Greece. Live activities and tours from GetYourGuide, matched to this destination.