Achlia, Greece offers 1 beach perfect for sunbathing, surfing, swimming, and more. Achlia, Crete, Greece, is known for its beautiful beaches and proximity to the scenic village of Agios Nikolaos. The best time to travel to Achlia, Greece, is from May to October, with average air temperatures ranging from 70°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!