Guanabara, Brazil offers 5 beaches perfect for sunbathing, surfing, swimming, and more. Guanabara, Espirito Santo, Brazil, is known for its proximity to the beautiful beaches of the Espirito Santo coastline and the nearby Pedra Azul State Park. The best time to travel to Guanabara, Brazil, is from May to September, with average air temperatures around 70-80°F (21-27°C) and water temperatures around 70-75°F (21-24°C). Sandee provides detailed maps, photos, and reviews from fellow beachgoers to help you Choose Your Beach™ and plan your perfect beach vacation!