Paraguay, Cuba offers 1 beach perfect for sunbathing, surfing, swimming, and more. Guantanamo, Cuba, is known for the Guantanamo Bay Naval Base. The best time to travel to Paraguay is from May to September, with average air temperatures around 20-25°C (68-77°F) and water temperatures around 18-22°C (64-72°F); for Cuba, the ideal period is from December to May, with average air temperatures around 24-28°C (75-82°F) and water temperatures around 25-28°C (77-82°F). Sandee provides detailed maps, photos, and reviews from fellow beachgoers to help you Choose Your Beach™ and plan your perfect beach vacation!