December · Portugal
Best time to visit Porto in December Weather, crowds & prices
Weather in Porto in December
Average temperature 12°C, 119 mm of rain, about 0 days with 6+ hours of sunshine and 86% humidity — based on the five most recent complete years of ERA5 data (2021–2025).
December score
5.0/10
Ranked #12 of 12 months
- Avg temp
- 12°C
- Rainfall
- 119 mm
- Humidity
- 86%
- Days with 6h+ sun
- 0
- Crowd Density
- Quiet / Uncrowded
- Average Expenses
- $ · Budget Friendly ($)
December in Porto scores 5.0/10 for sightseeing and cultural travel - ranked #12 of 12. Expect around 12°C, 119 mm of rain, and roughly 0 days with 6+ hours of sunshine this month.
April–June brings 18–24°C days and soft Atlantic light to Porto’s azulejo-clad Ribeira and port cellars.
December in Porto — middling scores, decent value
December averages 12°C (54°F), the range most people find easiest for walking a city all day without either overheating or losing daylight to weather.
At 119 mm this is a genuinely wet month: almost no days with 6+ hours of sunshine in total, and outdoor plans need an indoor fallback.
It scores 5/10 here, 12th of 12 months, against 9.8/10 in the destination's best month.
Pack layers you can shed by midday plus one warm layer for the evening, a proper rain shell rather than an umbrella.
Plan for low-season pricing, with crowds are light for this destination.
Flexible dates? July scores 4.8 points higher here — enough to change the trip.
Frequently asked
- What is the weather like in Porto in December?
- In December, Porto averages 12°C, 119 mm of rain, and about 0 days with 6+ hours of sunshine. Its climate-comfort score is 5.0/10.
- Is December a good time to visit Porto?
- December earns a 5.0/10 climate-comfort score. Use the year-round chart to weigh the weather against your budget and crowd preferences.
- How much does it rain in Porto in December?
- Expect about 119 mm of rain in December. Average humidity is 86% and there are about 0 days with 6+ hours of sunshine.
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