Siguanea, Cuba offers 2 beaches perfect for sunbathing, surfing, swimming, and more. Siguanea is known for its proximity to the beautiful beaches and the Siguanea Bay on the Isle of Youth, Cuba. The best time to travel to Siguanea, Cuba, is from December to April, with average air temperatures around 75-85°F (24-29°C) and water temperatures near 77-82°F (25-28°C). Sandee provides detailed maps, photos, and reviews from fellow beachgoers to help you Choose Your Beach™ and plan your perfect beach vacation!