December · Portugal
Best time to visit Lisbon in December Weather, crowds & prices
Weather in Lisbon in December
Average temperature 15°C, 80 mm of rain, about 0 days with 6+ hours of sunshine and 82% humidity — based on the five most recent complete years of ERA5 data (2021–2025).
December score
6.3/10
Ranked #12 of 12 months
- Avg temp
- 15°C
- Rainfall
- 80 mm
- Humidity
- 82%
- Days with 6h+ sun
- 0
- Crowd Density
- Quiet / Uncrowded
- Average Expenses
- $ · Budget Friendly ($)
December in Lisbon scores 6.3/10 for sightseeing and cultural travel - ranked #12 of 12. Expect around 15°C, 80 mm of rain, and roughly 0 days with 6+ hours of sunshine this month.
Hill-climbing trams, panoramic miradouros, and soft Atlantic light make April through June Lisbon at its finest.
December in Lisbon: mixed conditions, plan around the weather
Temperatures hover around 15°C (59°F) — the kind of month where neither heat nor cold forces the schedule.
Budget for roughly 80 mm of rain this month — a flexible day or two helps — with almost no days with 6+ hours of sunshine and 9.3 hours of daylight to work around it.
That is 6.3/10 on the same scale — 12th of 12 months, versus 9.5/10 for the best month here.
Pack layers you can shed by midday plus one warm layer for the evening, a packable rain layer.
Expect low-season pricing, and crowds are light for this destination.
If your dates are flexible, April is materially better in Lisbon — 3.2 points higher on the same scale.
Frequently asked
- What is the weather like in Lisbon in December?
- In December, Lisbon averages 15°C, 80 mm of rain, and about 0 days with 6+ hours of sunshine. Its climate-comfort score is 6.3/10.
- Is December a good time to visit Lisbon?
- December earns a 6.3/10 climate-comfort score. Use the year-round chart to weigh the weather against your budget and crowd preferences.
- How much does it rain in Lisbon in December?
- Expect about 80 mm of rain in December. Average humidity is 82% and there are about 0 days with 6+ hours of sunshine.
Curated in Lisbon
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