Itacoatiara, Brazil offers 2 beaches perfect for sunbathing, surfing, swimming, and more. Itacoatiara is known for its stunning beaches and excellent surfing conditions. The best time to travel to Itacoatiara, Brazil, is from June to September, when the average air temperature is around 27°C (81°F) and the water temperature is approximately 26°C (79°F). Sandee provides detailed maps, photos, and reviews from fellow beachgoers to help you Choose Your Beach™ and plan your perfect beach vacation!