Weather
Average highs sit around 15°C with lows near 10°C. Rainfall is moderate; the odd shower is likely.
Crowds & demand
Crowd levels are Low for Santorini — plenty of space at the main sights.
Prices & value
Prices run low season this month: some of the best deals of the year.
Events & what’s on
No major festivals fall in December, so the destination feels like its everyday self.
The verdict
December is usually the wrong time for Santorini: 15° / 10°. Consider October · May instead.
Figures are climate normals and modelled estimates — a planning guide, not a forecast. We separate fact, estimate and recommendation. Updated July 2026
