If affordability, fewer crowds and summer weather ... in Santorini in October range from 63 to 77 degrees Fahrenheit, but of course this also depends on how early or late in the month you visit.
The best time to visit Santorini is from September to October and April to May when the weather is warm and the crowds are lighter compared to the summer months. Like all of the Cyclades ...
Greece said Santorini is safe and ready to welcome tourists as the first cruise ship of the season docked on Sunday.