Copacaban, Brazil offers 1 beach perfect for sunbathing, surfing, swimming, and more. Copacabana, Rio de Janeiro, Brazil, is known for its iconic Copacabana Beach and the annual New Year's Eve celebrations. The best time to travel to Copacabana, Brazil, is from December to March, with average air temperatures around 80°F (27°C) and water temperatures near 77°F (25°C). Sandee provides detailed maps, photos, and reviews from fellow beachgoers to help you Choose Your Beach™ and plan your perfect beach vacation!