What to expect in Lisbon in December
December is a mixed month in Lisbon. You get 15° / 9°, but manageable crowds at the big attractions. Worth it for the right traveller.
Lisbon weather in December
Typical conditions in Lisbon during December, based on long-run climate normals rather than any single year. Treat it as a planning guide, not a forecast.
| Average high | 15°C 59°F |
|---|---|
| Average low | 9°C 48°F |
| Rainfall | Moderate 50/100 |
| Total rainfall | 108 mm4.2 in |
| Rainy days | 14 |
| Sea temperature | 16°C 61°F |
| Daylight | 9 h 29 min |
| How it feels | Mild — layers 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
This month counts as low season: some of the best deals of the year.
What to pack
Layers you can shed: 15°C by day and about 9°C after dark is a two-jacket kind of month.
What it costs
This is one of the cheaper months to visit Lisbon. Flights and accommodation sit near their yearly floor, and you can usually book late without being punished for it. Compared with the most expensive month of the year, you are looking at roughly 56% less.
Who this month suits
- Anyone travelling on a budget
- People who would rather have space than perfect conditions
Events & what’s on
No major festivals fall in December, so the destination feels like its everyday self.
Lisbon in December compared with nearby months
If your dates are flexible by a few weeks, this is what shifting them actually buys you.
| Month | Temp | Crowds | Price | Score |
|---|---|---|---|---|
| October | 23° / 14° | Moderate | $$ | 67 |
| November | 18° / 11° | Low | $ | 69 |
| December · This month | 15° / 9° | Low | $ | 61 |
| January | 15° / 8° | Low | $ | 69 |
| February | 16° / 8° | Low | $ | 70 |
These months score higher for Lisbon on the same blend of weather, crowds and price. Same destination, better odds.
Or go somewhere else in December
If the destination is negotiable but the month is not, these places are at their best in December.
Figures are climate normals and modelled estimates — a planning guide, not a forecast. We separate fact, estimate and recommendation. Updated October 2026
