es Migjorn Gran, Spain offers 1 beach perfect for sunbathing, surfing, swimming, and more. Es Migjorn Gran, Balearic Islands, Spain, is known for its proximity to the stunning beaches of Santo Tomas and the prehistoric site of Cova des Coloms. The best time to travel to es Migjorn Gran, Spain, is from May to September, with average air temperatures around 25-30°C (77-86°F) and water temperatures around 22-26°C (72-79°F). Sandee provides detailed maps, photos, and reviews from fellow beachgoers to help you Choose Your Beach™ and plan your perfect beach vacation!