Ios weather in December 2026

Expect daytime maximum temperatures of 15°C in Ios, Greece in December based on long-term weather averages. There are 4 hours of sunshine per day on average with 12 days with some rainfall and typically 96 mm of rainfall in the month.

  • 15°C maximum daytime temperature in December in Ios15
    15°C max day temperature
  • 4 hours of sunshine per day
  • 12 days with some rainfall in December in Ios12
    12 days with some rainfall
  • 10°C minimum night-time temperature in December in Ios10
    10°C min night temperature
  • 10 hours of daylight per day in December in Ios10
    10 hours of daylight per day
  • No heat & humidity in December in Ios0
    No heat & humidity
  • 96 mm monthly rainfall in December in Ios96
    96 mm of monthly rainfall
  • UV (maximum) index 2 (Low) in December in Ios2
    2 (Low) UV index
  • 17°C sea temperature in December in Ios17
    17°C sea temperature

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The December weather guide for Greece (Ios) 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 Greece

How warm is it in Ios in December?

Daytime temperatures usually reach 14°C in Ios in December, falling to 7°C at night.

How sunny is it in Ios in December?

There are normally 4 hours of bright sunshine each day in Ios in December - that's 44% of daylight hours.

How warm is the sea around Ios in December?

The average sea temperature around Ios in December is 17°C.

Does it rain in Ios in December?

There are usually 10 days with some rain in Ios in December and the average monthly rainfall is 80mm.

Ios December sunrise & sunset times

Browse the sunrise and sunset times for Ios in December 2026. Select a month to view Ios sunrise and sunset times for the next 12 months.

JanFebMarAprMayJunJulAugSepOctNovDec

Date Sunrise times Sunset times
Tuesday, 1st December 2026 07:13 17:03
Wednesday, 16th December 2026 07:25 17:04
Thursday, 31st December 2026 07:31 17:13

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