Koloumpos, Greece offers 1 beach perfect for sunbathing, surfing, swimming, and more. Koloumpos is known for its proximity to the famous Santorini caldera and the stunning views of the Aegean Sea. The best time to travel to Koloumpos, Greece, is from May to September, with average air temperatures ranging from 75°F to 85°F and water temperatures from 72°F to 79°F. Sandee provides detailed maps, photos, and reviews from fellow beachgoers to help you Choose Your Beach™ and plan your perfect beach vacation!