Santorini yearly weather summaryThe year can be broadly subdivided into two main seasons: the warm and dry season lasting from April until October and the cold and rainy season lasting from November until the end of March.
How cold does Santorini get at night?
On the coldest nights (mainly on the first days of the month), the temperature may drop to 10°C/50°F. On the warmest days (mainly on the last days of the month), the temperature may reach 24°C/75.2°F. The day lasts approximately 13 hours.