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. December has the shortest days of the year in Lisbon, with an average of 9h and 30min of daylight.
• 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. The beginning of December in Porto reveals an average high-temperature of a moderate 14.4°C (57.9°F), showing minimal deviation from the previous month.
• Faro - December »
  In Faro in December, it is raining for 4.6 days, with typically 12mm (0.47") of accumulated precipitation. On the first day of December in Faro sunrise is at 07:26 and sunset at 17:15.
• Coimbra - December »
  The months with the lowest UV index in Coimbra are January, November and December, with an average maximum UV index of 2. With an average of 9h and 24min of daylight, December has the shortest days of the year in Coimbra, Portugal.
• Braga - December »
  In Braga during December, the rain falls for 13.5 days and regularly aggregates up to 132mm (5.2") of precipitation. In Braga in December, it is raining for 13.5 days, with typically 132mm (5.2") of accumulated precipitation.
• Aveiro - December »
  In Aveiro, during December, the rain falls for 12.1 days and regularly aggregates up to 84mm (3.31") of precipitation. In Aveiro in December, it is raining for 12.1 days, with typically 84mm (3.31") of accumulated precipitation.
• Evora - December »
  The month with the most rainfall in Evora is December, when the rain falls for 13 days and typically aggregates up to 95mm (3.74") of precipitation. In Evora, Portugal, during December, the rain falls for 13 days and regularly aggregates up to 95mm (3.74") of precipitation.
• Viseu - December »
  January, February, November and December, with an average maximum UV index of 2, are months with the lowest UV index in Viseu, Portugal. With an average of 9h and 18min of daylight, December has the shortest days of the year in Viseu, Portugal.
• Funchal - December »
  The month with the shortest days in Funchal is December, with an average of 10h and 0min of daylight. Concluding the year, December's weather conditions in Funchal are a blend of blustery winds, substantial rainfall, and chillier days and nights.
• Guarda - December »
  The month with the most rainfall in Guarda is December, when the rain falls for 9.8 days and typically aggregates up to 65mm (2.56") of precipitation. In Guarda in December, during 1.7 snowfall days, 32mm (1.26") of snow is typically accumulated.
• Beja - December »
  In Beja in December, during 5.5 rainfall days, 11mm (0.43") of precipitation is typically accumulated. The month with the shortest days in Beja is December, with an average of 9h and 36min of daylight.