Early winter · Weather & things to do
Porto in December
Porto cools off: highs slip to 56°F (14°C), from 60°F in November, with lows of 47°F (8°C) and about 4.8 in (122 mm) of rain.
Its comfort score of 68/100 is still Good, though it ranks 11th of 12 here.
- Avg high
- 56°F (14°C)
- Avg low
- 47°F (8°C)
- Rain
- 4.8 in (122 mm)
- Humidity
- 85%
- Cloud cover
- 56%
- Daylight
- ~9 h 03 min
- Comfort score
- 68/100 · Good
What December feels like
Days are mild at around 56°F (14°C): comfortable for walking all day, with a layer for the evening.
Lows average 47°F (8°C).
Rain is a real factor, with about 4.8 in (122 mm) across the month.
Only about 9 h 03 min of daylight means early sunsets.
Plan around December
December is one of the lower-scoring months here; the best are May – September.
- Inside the wettest three-month stretch, November – January.
- Shortest days of the year, about 9 h 03 min of daylight.
- Comfort slips from 74/100 in November to 68/100.
- Our Portugal by Rail route recommends Apr – Jun, so December falls outside its suggested window.
What to pack for December
- A warm layer for eveningsnights drop to 47°F
- Rain jacket and waterproof shoesfrequent rain
- Comfortable walking shoesmost places below are best reached on foot or with short walks
What to do in Porto in December
Wet days call for a roof: these picks favor sit-down and indoor stops, plus a few for drier spells.
Torre dos Clérigos
Baroque bell tower with a 240-step climb to a city view.
Livraria Lello
Neo-Gothic bookstore with a carved red staircase.
Why now An indoor-leaning stop for a month with 4.8 in of rain.
Mercado do Bolhão
Restored 19th-century market with produce, fish and small food stalls.
Why now A sit-down stop to wait out showers in a month with 4.8 in of rain.
Serralves
Contemporary art museum by Álvaro Siza set in large Art Deco gardens.
Why now A good rainy-day backup in December.
Dom Luís I Bridge
Double-deck iron bridge; walk the top level for the classic view.
Nearby in December
- Coimbra in December~67 mi · highs 57°F, 3.9 in rain · similar daytime temperatures, drier
- Lisbon in December~170 mi · highs 59°F, 2.5 in rain · 2°C (3°F) warmer by day, drier
- Seville in December~296 mi · highs 61°F, 2.2 in rain · 3°C (5°F) warmer by day, drier
- Córdoba in December~305 mi · highs 60°F, 2.4 in rain · 2°C (3°F) warmer by day, drier
NASA POWER 2001–2025 monthly averages on a ~50 km grid. Comfort scores weigh temperature, rain, humidity and cloud: see how we score each month. Check a forecast before you go.
Porto in December: quick answers
Is December a good time to visit Porto?
It's one of the tougher months here, scoring 68/100, held back mainly by cloud cover. The best months are May – September. Expect highs of 56°F (14°C) and 4.8 in (122 mm) of rain. Our Portugal by Rail route recommends Apr – Jun, so December is outside its suggested window.
How cold is Porto in December?
Average highs are 56°F (14°C) and average lows 47°F (8°C), making it the 3rd-coldest month by daytime highs.
Does it rain a lot in Porto in December?
Yes: about 4.8 in (122 mm) of rain falls across December on average, the 4th-wettest month of the year. The annual total is about 39.8 in (1010 mm).
What should I pack for Porto in December?
Bring a warm layer for evenings (nights drop to 47°F), rain jacket and waterproof shoes (frequent rain) and comfortable walking shoes (most places below are best reached on foot or with short walks).
Planning Porto in December?
Share this December plan with your group, poll everyone on dates and keep the packing list in one place.