Felipe Pena, Nicaragua offers 1 beach perfect for sunbathing, surfing, swimming, and more. Rio San Juan, Nicaragua is known for the Indio Maiz Biological Reserve and the historic El Castillo fortress. The best time to travel to Felipe Pena, Nicaragua, is from December to April, with average air temperatures around 85°F (29°C) and water temperatures near 82°F (28°C). Sandee provides detailed maps, photos, and reviews from fellow beachgoers to help you Choose Your Beach™ and plan your perfect beach vacation!