Aramanai, Brazil offers 1 beach perfect for sunbathing, surfing, swimming, and more. Aramanai, Para, Brazil, is known for the Tapajos National Forest and its proximity to the Amazon Rainforest. The best time to travel to Aramanai, Brazil, is from June to September, with average air temperatures around 77°F (25°C) and water temperatures near 80°F (27°C). Sandee provides detailed maps, photos, and reviews from fellow beachgoers to help you Choose Your Beach™ and plan your perfect beach vacation!