Weather
Average highs sit around 15°C with lows near 9°C. Rainfall is moderate; the odd shower is likely.
Crowds & demand
Crowd levels are Low for Lisbon — 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 a mixed month in Lisbon. You get 15° / 9°, but manageable crowds at the big attractions. Worth it for the right traveller.
Figures are climate normals and modelled estimates — a planning guide, not a forecast. We separate fact, estimate and recommendation. Updated July 2026
