Benchmarked strictly across TripTiming's 5 empirical pillars: Crowds, Weather, Vibes, Prices, and Safety.
A virtual dead heat in December: both Santorini and Mykonos achieve identical TripTiming scores of 60/100. Santorini offers 15°C weather with $114/night lodging, while Mykonos posts 15°C weather with $99/night lodging. Choose Santorini if you prioritize lighter crowd friction, or choose Mykonos for better lodging value.