December in Portugal marks the height of winter, but temperatures remain milder compared to many other European destinations. With average highs ranging from 14°C (57°F) in the north to 18°C (64°F) in the south, the weather is comfortable enough for sightseeing and outdoor activities. Rainfall is common, especially in the north, but sunny spells and festive atmospheres make up for it.
December is a fantastic time for travelers seeking a mix of cultural experiences, festive holiday celebrations, and scenic beauty. Whether you’re exploring Lisbon’s historic streets, enjoying Porto’s cozy riverside vibes, or escaping to the warmth of the Algarve or Madeira, Portugal offers something special during this season.
Regional Weather Variations in December
| Location | Average High Temperature | Average Low Temperature | Average Rainfall | Average Sunshine Hours |
|---|---|---|---|---|
| Lisbon | 14°C (57°F) | 9°C (48°F) | 100 mm | 6 hours |
| Porto | 12°C (54°F) | 7°C (45°F) | 150 mm | 5 hours |
| Faro (Algarve) | 16°C (61°F) | 10°C (50°F) | 40 mm | 7 hours |
| Funchal (Madeira) | 20°C (68°F) | 15°C (59°F) | 50 mm | 6 hours |
| Ponta Delgada (Azores) | 16°C (61°F) | 12°C (54°F) | 120 mm | 5 hours |
In northern Portugal, cities like Porto, Braga, and Guimarães experience colder temperatures, with daytime highs between 11°C (52°F) and 14°C (57°F). Nights can drop to 6°C (43°F) or lower, requiring warm layers for evening strolls. Rainfall is frequent, averaging 120–150 mm across the month, creating a cozy atmosphere perfect for enjoying the region’s rich culture and hearty cuisine.
Central Portugal, including Lisbon and Coimbra, enjoys slightly milder weather, with daytime highs of 14°C (57°F) to 16°C (61°F). Nights are cooler, averaging 9°C (48°F). Rainfall is moderate, around 80–100 mm over 10–12 days. The holiday season adds a festive charm, with Lisbon’s streets lit up with decorations and markets offering local treats.
Southern Portugal, particularly the Algarve, is the warmest region in December. Daytime temperatures range from 16°C (61°F) to 18°C (64°F), with cooler nights around 10°C (50°F). Rainfall is light compared to the north, averaging 30–50 mm over 5–7 days, making the Algarve an ideal destination for a mild winter escape.
Madeira and the Azores offer subtropical climates in December. Madeira’s temperatures range from 18°C (64°F) to 21°C (70°F), with minimal rainfall and plenty of sunshine, making it a top choice for Christmas and New Year’s celebrations. The Azores are cooler, with highs of 16°C (61°F) to 18°C (64°F) and frequent rain showers that add to the islands’ lush beauty.
Rainfall and Precipitation Trends
December is one of Portugal’s rainiest months, especially in the north and central regions. Here’s what to expect:
- Northern Portugal: 120–150 mm over 12–15 days.
- Central Portugal: 80–100 mm over 10–12 days.
- Southern Portugal (Algarve): 30–50 mm over 5–7 days.
- Madeira: 40–60 mm over 8–10 days.
- Azores: 100–120 mm over 12–15 days.
Despite the increased rain, showers are often brief and interspersed with sunny spells, allowing for outdoor activities with some planning.
Sunshine Hours and Daylight in December
December has the shortest days of the year, with most regions experiencing 5–6 hours of sunshine daily:
- Lisbon: 6 hours of sunshine daily.
- Porto: 5 hours of sunshine daily.
- Algarve: 7 hours of sunshine daily.
- Madeira: 6–7 hours of sunshine daily.
These shorter days create cozy evenings, perfect for enjoying Portugal’s warm hospitality, holiday lights, and local delicacies.
Wind and Ocean Conditions in December
Portugal’s coastal areas can be breezy in December, with wind speeds averaging 15–20 km/h (9–12 mph). Ocean temperatures remain cooler but are still suitable for water sports in the Algarve and Madeira:
- Northern Portugal: 14°C (57°F) to 16°C (61°F).
- Central Portugal (Lisbon): 15°C (59°F) to 16°C (61°F).
- Southern Portugal (Algarve): 17°C (63°F) to 18°C (64°F).
- Madeira and Azores: 19°C (66°F) to 20°C (68°F).
The Algarve and Madeira remain popular for coastal activities, while northern waters are colder and less inviting.
December’s Seasonal Charm
Portugal in December exudes a unique charm, blending festive holiday cheer with scenic winter landscapes. Streets in cities like Lisbon and Porto come alive with sparkling lights, Christmas markets, and decorated storefronts. The holiday season adds a magical vibe, making it a delightful time for visitors to experience Portuguese culture.
Beyond the cities, the countryside takes on a serene beauty. The rolling vineyards of the Douro Valley and Alentejo shimmer under the soft winter light, offering tranquil settings for wine-tasting tours. Coastal areas, particularly in the Algarve, provide dramatic views of the Atlantic, while Madeira’s lush landscapes are complemented by its festive spirit.
Activities to Enjoy in December Weather
The festive season is in full swing in December, with Christmas markets and events taking place across Portugal. In Lisbon, Praça do Comércio transforms into a winter wonderland with light displays, holiday stalls, and traditional food. Porto’s Avenida dos Aliados hosts a grand Christmas tree and festive activities, while smaller towns like Óbidos become magical villages adorned with lights and decorations.
The month is also perfect for indulging in Portugal’s rich cultural heritage. Visit historic sites like the Belém Tower, Jerónimos Monastery, or the ancient castles of Sintra, which are particularly enchanting in the crisp winter air.
For those who enjoy the outdoors, December is a great time to explore Portugal’s natural beauty. The cooler weather makes hiking trails in Sintra, the Algarve, or Madeira comfortable and enjoyable. Coastal walks along the Algarve’s cliffs or through the Ria Formosa Natural Park provide breathtaking views of the Atlantic.
In Madeira, the levada trails, such as Levada do Rei and Levada das 25 Fontes, offer lush greenery and cascading waterfalls, while the Azores’ geothermal springs provide a relaxing escape amid the cooler temperatures.
Winter Festivals and Events
Portugal’s festive calendar is vibrant in December. Key events include:
- Christmas Celebrations: Towns and cities across Portugal light up with festive decorations, nativity scenes, and holiday markets.
- New Year’s Eve in Madeira: One of the most spectacular fireworks displays in the world takes place in Funchal, drawing visitors from around the globe.
- Gastronomy Festivals: Many regions host events showcasing local seasonal dishes, from roasted chestnuts to traditional desserts like bolo rei (king cake).
These celebrations add a lively and warm touch to the colder days of December.
Packing Tips for Portugal in December
Packing for Portugal in December requires preparation for cool and wet weather, as well as festive activities. Here’s what to bring:
- Include sweaters, long-sleeve shirts, and a medium-weight jacket for daytime wear.
- A raincoat or umbrella is essential for the wetter northern and central regions.
- Opt for waterproof or sturdy shoes, especially if you plan to explore hiking trails or cobblestone streets.
- Pack something a bit dressier if you’re planning to attend holiday events or New Year’s Eve celebrations.
December is cooler and wetter than November, with a more pronounced winter feel. However, it’s still milder than January, which brings colder temperatures and shorter days. December’s festive atmosphere also sets it apart, making it a special time to visit.