Athens weather in December 2026

Q: How warm is it in Athens in December?

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

Q: 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.

Q: How warm is the sea around Athens in December?

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

Q: 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.

Expect daytime maximum temperatures of 57°F 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 3.1 inches of rainfall in the month.

57
57°F max day temperature
4
4 hours of sunshine per day
10
10 days with some rainfall
45
45°F min night temperature
10
10 hours of daylight per day
0
No heat & humidity
3.1
3.1 inches of monthly rainfall
2
2 (Low) UV index
63
63°F 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) | Imperial (°F)