Olbia weather in December 2025

Expect daytime maximum temperatures of 15°C in Olbia, Sardinia in December based on long-term weather averages. There are 4 hours of sunshine per day on average with 17 days with some rainfall and typically 90 mm of rainfall in the month.

  • 15°C maximum daytime temperature in December in Olbia15
    15°C max day temperature
  • 4 hours of sunshine per day
  • 17 days with some rainfall in December in Olbia17
    17 days with some rainfall
  • 7°C minimum night-time temperature in December in Olbia7
    7°C min night temperature
  • 9 hours of daylight per day in December in Olbia9
    9 hours of daylight per day
  • No heat & humidity in December in Olbia0
    No heat & humidity
  • 90 mm monthly rainfall in December in Olbia90
    90 mm of monthly rainfall
  • UV (maximum) index 1 (Low) in December in Olbia1
    1 (Low) UV index
  • 15°C sea temperature in December in Olbia15
    15°C sea temperature

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Olbia by month

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The December weather guide for Sardinia (Olbia) 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 / mm)  |  Imperial (°F / inches)

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More about Sardinia

How warm is it in Olbia in December?

Daytime temperatures usually reach 15°C in Olbia in December, falling to 7°C at night.

How sunny is it in Olbia in December?

There are normally 4 hours of bright sunshine each day in Olbia in December - that's 41% of daylight hours.

How warm is the sea around Olbia in December?

The average sea temperature around Olbia in December is 15°C.

Does it rain in Olbia in December?

There are usually 17 days with some rain in Olbia in December and the average monthly rainfall is 90mm.

Olbia December sunrise & sunset times

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

JanFebMarAprMayJunJulAugSepOctNovDec

Date Sunrise times Sunset times
Monday, 1st December 2025 07:27 16:55
Tuesday, 16th December 2025 07:40 16:55
Wednesday, 31st December 2025 07:47 17:04

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