Heraklion, Greece offers 1 beach perfect for sunbathing, surfing, swimming, and more. Heraklion is known for the Palace of Knossos and the Heraklion Archaeological Museum. The best time to travel to Heraklion, Greece, is from May to October, with average air temperatures ranging from 20°C to 30°C and water temperatures from 20°C to 25°C. Sandee provides detailed maps, photos, and reviews from fellow beachgoers to help you Choose Your Beach™ and plan your perfect beach vacation!