Lago de Serra da Mesa, Brazil offers 1 beach perfect for sunbathing, surfing, swimming, and more. Lago de Serra da Mesa is known for its stunning freshwater beaches and excellent opportunities for fishing and water sports. The best time to travel to Lago de Serra da Mesa, Brazil, is from May to September, with average air temperatures around 25°C (77°F) and water temperatures near 22°C (72°F). Sandee provides detailed maps, photos, and reviews from fellow beachgoers to help you Choose Your Beach™ and plan your perfect beach vacation!