Mild and wet best describes the Winter climate of Santorini although it receives less rainfall annually than other nearby islands. The winter months in Santorini run from November to April. Frost is a rarity and there are relatively few instances of consistent cloudy days.
While it is possible for the weather in Santorini during the wet season to be rainy for an entire week, the days are generally sunny.
If you are an artist, poet or a person who can live on their thoughts, a Greek island in winter can be like paradise.