December · Greece
Best time to visit Kalymnos in December Weather, crowds & prices
Weather in Kalymnos in December
Average temperature 15°C, 106 mm of rain, about 26 days with 6+ hours of sunshine and 69% humidity — based on the five most recent complete years of ERA5 data (2021–2025).
December score
5.0/10
Ranked #11 of 12 months
- Avg temp
- 15°C
- Rainfall
- 106 mm
- Humidity
- 69%
- Days with 6h+ sun
- 26
- Crowd Density
- Quiet / Uncrowded
- Average Expenses
- $ · Budget Friendly ($)
December in Kalymnos scores 5.0/10 for beach and coastal travel - ranked #11 of 12. Expect around 15°C, 106 mm of rain, and roughly 26 days with 6+ hours of sunshine this month.
Kalymnos is the Dodecanese island of sponge divers and limestone cliffs, now a major rock climbing spot.
December in Kalymnos — workable with trade-offs
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.
Monthly rainfall reaches 106 mm — wet for this destination — but about 26 days with 6+ hours of sunshine still break through, so keep one indoor fallback in the plan.
It scores 5/10 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.
Figure on low-season pricing, with crowds are light for this destination.
Flexible dates? June scores 5 points higher here — enough to change the trip.
Frequently asked
- What is the weather like in Kalymnos in December?
- In December, Kalymnos averages 15°C, 106 mm of rain, and about 26 days with 6+ hours of sunshine. Its climate-comfort score is 5.0/10.
- Is December a good time to visit Kalymnos?
- December earns a 5.0/10 climate-comfort score. Use the year-round chart to weigh the weather against your budget and crowd preferences.
- How much does it rain in Kalymnos in December?
- Expect about 106 mm of rain in December. Average humidity is 69% and there are about 26 days with 6+ hours of sunshine.
Curated in Kalymnos
Tickets & experiences
Things to do in Kalymnos
Kalymnos, Greece. Live activities and tours from GetYourGuide, matched to this destination.