Climate guide for Mykonos, Greece

Mykonos in December

Weather, crowds & best time to visit

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December · Greece

Best time to visit Mykonos in December Weather, crowds & prices

Weather in Mykonos in December

Average temperature 15°C, 64 mm of rain, about 27 days with 6+ hours of sunshine and 72% humidity — based on the five most recent complete years of ERA5 data (2021–2025).

December score

5.5/10

Ranked #12 of 12 months

Full year for Mykonos
Avg temp
15°C
Rainfall
64 mm
Humidity
72%
Days with 6h+ sun
27
Crowd Density
Quiet / Uncrowded
Average Expenses
$ · Budget Friendly ($)

December in Mykonos scores 5.5/10 for beach and coastal travel - ranked #12 of 12. Expect around 15°C, 64 mm of rain, and roughly 27 days with 6+ hours of sunshine this month.

Mykonos pairs a whitewashed harbor town with sandy south-coast beaches and a steady summer wind.

December in Mykonos: mixed conditions, plan around the weather

December averages 15°C (58°F), the range most people find easiest for walking a city all day without either overheating or losing daylight to weather.

Rainfall runs 64 mm, so plan one flexible day in three; you still get about 27 days with 6+ hours of sunshine and 9.6 hours of daylight.

It scores 5.5/10 here, 12th 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 packable rain layer.

Plan for low-season pricing, with crowds are light for this destination.

Flexible dates? June scores 4.5 points higher here — enough to change the trip.

View all 12 months

Ranked by pure climate comfort

Score scale: 0.0 → 10.0Quiet / UncrowdedModerate CrowdsPeak Tourist Rush

Frequently asked

What is the weather like in Mykonos in December?
In December, Mykonos averages 15°C, 64 mm of rain, and about 27 days with 6+ hours of sunshine. Its climate-comfort score is 5.5/10.
Is December a good time to visit Mykonos?
December earns a 5.5/10 climate-comfort score. Use the year-round chart to weigh the weather against your budget and crowd preferences.
How much does it rain in Mykonos in December?
Expect about 64 mm of rain in December. Average humidity is 72% and there are about 27 days with 6+ hours of sunshine.

Curated in Mykonos

Tickets & experiences

Things to do in Mykonos

Mykonos, Greece. Live activities and tours from GetYourGuide, matched to this destination.