Portugal weather in December 2025

Expect daytime maximum temperatures of 59°F in Portugal in December based on long-term weather averages. There are 5 hours of sunshine per day on average with 14 days with some rainfall and typically 4.2 inches of rainfall in the month.

  • 59°F maximum daytime temperature in December in Portugal (Lisbon)59
    59°F max day temperature
  • 5 hours of sunshine per day
  • 14 days with some rainfall in December in Portugal (Lisbon)14
    14 days with some rainfall
  • 48°F minimum night-time temperature in December in Portugal (Lisbon)48
    48°F min night temperature
  • 10 hours of daylight per day in December in Portugal (Lisbon)10
    10 hours of daylight per day
  • No heat & humidity in December in Portugal (Lisbon)0
    No heat & humidity
  • 4.2 inches monthly rainfall in December in Portugal (Lisbon)4.2
    4.2 inches of monthly rainfall
  • UV (maximum) index 2 (Low) in December in Portugal (Lisbon)2
    2 (Low) UV index
  • 61°F sea temperature in December in Portugal (Lisbon)61
    61°F sea temperature

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The December weather guide for Portugal (Lisbon) shows long term weather averages processed from data supplied by CRU (University of East Anglia), the Met Office & the Netherlands Meteorological Institute. Find out more about our data sources.

Top Portugal destinations

Below are average maximum temperatures at popular countries, regions and places in Portugal in December. Select a holiday destination to see more weather parameters.

All Portugal regions

All Portugal destinations

Metric (°C)  |  Imperial (°F)

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More about Portugal

How warm is it in Portugal in December?

Daytime temperatures usually reach 59°F in Lisbon, Portugal in December, falling to 48°F at night.

How sunny is it in Portugal in December?

There are normally 5 hours of bright sunshine each day in Lisbon, Portugal in December - that's 48% of daylight hours.

How warm is the sea around Portugal in December?

The average sea temperature around Lisbon, Portugal in December is 61°F.

Does it rain in Portugal in December?

There are usually 14 days with some rain in Lisbon, Portugal in December and the average monthly rainfall is 4.2 inches.

Portugal December sunrise & sunset times

Browse the sunrise and sunset times for Portugal in December 2025. Select a month to view Portugal sunrise and sunset times for the next 12 months. The Portugal sunrise and sunset times shown below are for Lisbon.

JanFebMarAprMayJunJulAugSepOctNovDec

Date Sunrise times Sunset times
Monday, 1st December 2025 07:36 17:15
Tuesday, 16th December 2025 07:48 17:16
Wednesday, 31st December 2025 07:55 17:25

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