Athens vs Santorini

Based on sunshine hours, rain days, comfortable temperatures, and humidity levels, Santorini edges ahead as the better destination in December. Santorini offers 7 hours of daily sunshine with only 9 rain days, while Athens sees 6 sunshine hours and 8 rain days.

Athens is on the cooler side at 13°C, requiring warmer clothing. Santorini is also comfortable at 15°C.

For travelers who prioritize dry weather, Athens is the stronger choice in December. Santorini receives 1 more hour of sunshine per day, which matters for sightseeing and outdoor activities.

Athens reaches an average high of 13°C (55°F) and drops to 7°C (45°F) at night during December. The daily temperature range is 6°C, meaning relatively stable temperatures from day to night.

Santorini averages 15°C (59°F) for the high and 12°C (54°F) for the low, with a daily range of 3°C. The 2°C difference is noticeable but not dramatic.

Both cities are in the Northern Hemisphere, so they share the same seasonal pattern in December.

Athens receives approximately 64 mm of rainfall across 8 rain days during December. You can expect rain roughly every other day.

Santorini sees 54 mm over 9 rain days. That makes Athens the drier option by 1 rain day and 10 mm of total precipitation.

Both cities share similar humidity levels at 65%.