Rancho Cruz, Cuba offers 1 beach perfect for sunbathing, surfing, swimming, and more. Rancho Cruz, Santiago, Cuba, is known for its proximity to the historic Castillo del Morro and the vibrant cultural scene of Santiago de Cuba. The best time to travel to Rancho Cruz, Cuba, is from December to April, when the average air temperature is around 77°F (25°C) and the water temperature is approximately 79°F (26°C). Sandee provides detailed maps, photos, and reviews from fellow beachgoers to help you Choose Your Beach™ and plan your perfect beach vacation!