Alonissos weather in December 2026

Expect daytime maximum temperatures of 55°F in Alonissos, Greece in December based on long-term weather averages. There are 4 hours of sunshine per day on average with 10 days with some rainfall and typically 4.7 inches of rainfall in the month.

  • 55°F maximum daytime temperature in December in Alonissos55
    55°F max day temperature
  • 4 hours of sunshine per day
  • 10 days with some rainfall in December in Alonissos10
    10 days with some rainfall
  • 43°F minimum night-time temperature in December in Alonissos43
    43°F min night temperature
  • 9 hours of daylight per day in December in Alonissos9
    9 hours of daylight per day
  • No heat & humidity in December in Alonissos0
    No heat & humidity
  • 4.7 inches monthly rainfall in December in Alonissos4.7
    4.7 inches of monthly rainfall
  • UV (maximum) index 2 (Low) in December in Alonissos2
    2 (Low) UV index
  • 59°F sea temperature in December in Alonissos59
    59°F sea temperature

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The December weather guide for Greece (Alonissos) 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 Greece

How warm is it in Alonissos in December?

Daytime temperatures usually reach 57°F in Alonissos in December, falling to 45°F at night.

How sunny is it in Alonissos in December?

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

How warm is the sea around Alonissos in December?

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

Does it rain in Alonissos in December?

There are usually 10 days with some rain in Alonissos in December and the average monthly rainfall is 3.1 inches.

Alonissos December sunrise & sunset times

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

JanFebMarAprMayJunJulAugSepOctNovDec

Date Sunrise times Sunset times
Tuesday, 1st December 2026 07:25 17:02
Wednesday, 16th December 2026 07:37 17:03
Thursday, 31st December 2026 07:44 17:12

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