December · Greece
Best time to visit Kasos in December Weather, crowds & prices
Weather in Kasos in December
Average temperature 16°C, 56 mm of rain, about 28 days with 6+ hours of sunshine and 70% humidity — based on the five most recent complete years of ERA5 data (2021–2025).
December score
6.1/10
Ranked #11 of 12 months
- Avg temp
- 16°C
- Rainfall
- 56 mm
- Humidity
- 70%
- Days with 6h+ sun
- 28
- Crowd Density
- Quiet / Uncrowded
- Average Expenses
- $$ · Moderate Cost ($$)
December in Kasos scores 6.1/10 for beach and coastal travel - ranked #11 of 12. Expect around 16°C, 56 mm of rain, and roughly 28 days with 6+ hours of sunshine this month.
Kasos is a small, arid Dodecanese island south of Karpathos, with rocky coves and a plain harbour town.
December in Kasos: mixed conditions, plan around the weather
Temperatures hover around 16°C (61°F) — the kind of month where neither heat nor cold forces the schedule.
Budget for roughly 56 mm of rain this month — a flexible day or two helps — with about 28 days with 6+ hours of sunshine and 9.8 hours of daylight to work around it.
That is 6.1/10 on the same scale — 11th of 12 months, versus 9.8/10 for the best month here.
Pack layers you can shed by midday plus one warm layer for the evening, a packable rain layer.
Budget for mid-season pricing, and crowds are light for this destination.
If your dates are flexible, September is materially better in Kasos — 3.7 points higher on the same scale.
Frequently asked
- What is the weather like in Kasos in December?
- In December, Kasos averages 16°C, 56 mm of rain, and about 28 days with 6+ hours of sunshine. Its climate-comfort score is 6.1/10.
- Is December a good time to visit Kasos?
- December earns a 6.1/10 climate-comfort score. Use the year-round chart to weigh the weather against your budget and crowd preferences.
- How much does it rain in Kasos in December?
- Expect about 56 mm of rain in December. Average humidity is 70% and there are about 28 days with 6+ hours of sunshine.
Curated in Kasos
Tickets & experiences
Things to do in Kasos
Kasos, Greece. Live activities and tours from GetYourGuide, matched to this destination.