Athens weather in December 2025

Expect daytime maximum temperatures of 14°C in Athens, 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 80 mm of rainfall in the month.

  • 14°C maximum daytime temperature in December in Athens14
    14°C max day temperature
  • 4 hours of sunshine per day
  • 10 days with some rainfall in December in Athens10
    10 days with some rainfall
  • 7°C minimum night-time temperature in December in Athens7
    7°C min night temperature
  • 10 hours of daylight per day in December in Athens10
    10 hours of daylight per day
  • No heat & humidity in December in Athens0
    No heat & humidity
  • 80 mm monthly rainfall in December in Athens80
    80 mm of monthly rainfall
  • UV (maximum) index 2 (Low) in December in Athens2
    2 (Low) UV index
  • 17°C sea temperature in December in Athens17
    17°C sea temperature

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The December weather guide for Greece (Athens) 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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How warm is it in Athens in December?

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

How sunny is it in Athens in December?

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

How warm is the sea around Athens in December?

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

Does it rain in Athens in December?

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

Athens December sunrise & sunset times

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

JanFebMarAprMayJunJulAugSepOctNovDec

Date Sunrise times Sunset times
Monday, 1st December 2025 07:22 17:06
Tuesday, 16th December 2025 07:34 17:07
Wednesday, 31st December 2025 07:41 17:15

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