December weather forecast
Portugal

December in Portugal signifies the onset of winter, characterized by lower temperatures and the highest level of rainfall for the year. The countrywide average temperature during this month hovers around 11°C (51.8°F). Coastal cities such as Lisbon and Porto tend to have milder winter conditions, with Lisbon experiencing temperatures from 8°C (46.4°F) to 15°C (59°F), and Porto's temperatures ranging between 5°C (41°F) to 14°C (57.2°F).

Rainfall in December is significantly high, with Lisbon receiving an average of about 120mm (4.72") and Porto observing even higher levels at 180mm (7.09"). With the arrival of colder weather, snowfall begins to occur in the northern high-altitude regions like the Serra da Estrela, offering opportunities for winter sports.

When compared to the previous month, November, December sees a further decrease in temperatures and an increase in rainfall, marking the advent of winter. Looking forward to the following month, January, December tends to be slightly cooler and experiences more rainfall. Although December can be quite wet, the festive atmosphere, especially in the major cities, along with the relatively mild temperatures compared to other parts of Europe, makes it a unique time to visit Portugal.

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• Lisbon - December »
  In Lisbon during December, the rain falls for 14 days and regularly aggregates up to 127mm (5") of precipitation. With an average of 9h and 30min of daylight, December has the shortest days of the year in Lisbon, Portugal.
• Porto - December »
  The month with the most rainfall in Porto is December, when the rain falls for 15 days and typically aggregates up to 181mm (7.13") of precipitation. December is the month with the lowest UV index in Porto with an average maximum UV index of 1.
• Faro - December »
  The month with the shortest days in Faro is December, with an average of 9h and 42min of daylight. In Faro, Portugal, in December, it is raining for 4.6 days, with typically 12mm (0.47") of accumulated precipitation.
• Coimbra - December »
  January and December, with an average of 4.5h of sunshine, are months with the least sunshine in Coimbra. With an average of 9h and 24min of daylight, December has the shortest days of the year in Coimbra.
• Braga - December »
  December has the shortest days of the year in Braga with an average of 9h and 12min of daylight. In Braga, during December, the rain falls for 13.5 days and regularly aggregates up to 132mm (5.2") of precipitation.
• Aveiro - December »
  With an average of 9h and 18min of daylight, December has the shortest days of the year in Aveiro, Portugal. The month with the shortest days in Aveiro is December, with an average of 9h and 18min of daylight.
• Evora - December »
  The month with the shortest days in Evora is December, with an average of 9h and 30min of daylight. December has the shortest days of the year in Evora with an average of 9h and 30min of daylight.
• Viseu - December »
  The month with the shortest days in Viseu is December, with an average of 9h and 18min of daylight. In Viseu, Portugal, in December, during 11.5 rainfall days, 92mm (3.62") of precipitation is typically accumulated.
• Funchal - December »
  Concluding the year, December's weather conditions in Funchal are a blend of blustery winds, substantial rainfall, and chillier days and nights. January through June, November and December, with an average maximum UV index of 5, are months with the lowest UV index in Funchal, Portugal.
• Guarda - December »
  In Guarda in December, during 1.7 snowfall days, 32mm (1.26") of snow is typically accumulated. In Guarda, during December, snow falls for 1.7 days and regularly aggregates up to 32mm (1.26") of snow.
• Beja - December »
  December has the shortest days of the year in Beja, with an average of 9h and 36min of daylight. December has the shortest days of the year in Beja, with an average of 9h and 36min of daylight.