Olhao weather in December 2025

Expect daytime maximum temperatures of 61°F in Olhao, Algarve in December based on long-term weather averages. There are 5 hours of sunshine per day on average with 12 days with some rainfall and typically 3.9 inches of rainfall in the month.

  • 61°F maximum daytime temperature in December in Olhao61
    61°F max day temperature
  • 5 hours of sunshine per day
  • 12 days with some rainfall in December in Olhao12
    12 days with some rainfall
  • 46°F minimum night-time temperature in December in Olhao46
    46°F min night temperature
  • 10 hours of daylight per day in December in Olhao10
    10 hours of daylight per day
  • No heat & humidity in December in Olhao0
    No heat & humidity
  • 3.9 inches monthly rainfall in December in Olhao3.9
    3.9 inches of monthly rainfall
  • UV (maximum) index 2 (Low) in December in Olhao2
    2 (Low) UV index
  • 63°F sea temperature in December in Olhao63
    63°F sea temperature

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The December weather guide for Algarve (Olhao) 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.

Metric (°C)  |  Imperial (°F)

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More about the Algarve

How warm is it in Olhao in December?

Daytime temperatures usually reach 61°F in Olhao in December, falling to 46°F at night.

How sunny is it in Olhao in December?

There are normally 5 hours of bright sunshine each day in Olhao in December - that's 55% of daylight hours.

How warm is the sea around Olhao in December?

The average sea temperature around Olhao in December is 63°F.

Does it rain in Olhao in December?

There are usually 12 days with some rain in Olhao in December and the average monthly rainfall is 3.9 inches.

Olhao December sunrise & sunset times

Browse the sunrise and sunset times for Olhao in December 2025. Select a month to view Olhao sunrise and sunset times for the next 12 months.

JanFebMarAprMayJunJulAugSepOctNovDec

Date Sunrise times Sunset times
Monday, 1st December 2025 07:26 17:15
Tuesday, 16th December 2025 07:38 17:16
Wednesday, 31st December 2025 07:45 17:25

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