Average Temperature: 12℃
- Highest Temp: 14℃
- Lowest Temp: 9℃
Chances of Rain: December is usually rainy, but the chances of rain reduce as the month moves on. You might get an average of 11 days of rain in December, with cloudy weather on other days.
What to Wear: The temperatures drop in December, and the weather becomes slightly breezy and chilly. A moderate sweater would be enough to keep you warm for the month of December in Athens if you are comfortable in the cold, else something slightly warmer.