Praia de Alagamar, Brazil offers 1 beach perfect for sunbathing, surfing, swimming, and more. Rio Grande do Norte is known for its stunning beaches and vibrant coastal tourism. The best time to travel to Praia de Alagamar, Brazil, is from September to February, when the average air temperature ranges from 25°C to 30°C (77°F to 86°F) and the water temperature is around 27°C (81°F). Sandee provides detailed maps, photos, and reviews from fellow beachgoers to help you Choose Your Beach™ and plan your perfect beach vacation!