Caasinan, Brazil offers 2 beaches perfect for sunbathing, surfing, swimming, and more. Caasinan is known for its beautiful beaches and vibrant cultural scene. The best time to travel to Caasinan, Brazil, is from May to September, when the average air temperature ranges from 25°C to 30°C (77°F to 86°F) and the water temperature is around 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!