Avera, French Polynesia offers 1 beach perfect for sunbathing, surfing, swimming, and more. Avera, Austral Islands, French Polynesia, is known for its stunning natural landscapes and traditional Polynesian culture. The best time to travel to Avera, French Polynesia, is between May and October, when the average air temperature is around 77°F (25°C) and the water temperature is approximately 79°F (26°C). Sandee provides detailed maps, photos, and reviews from fellow beachgoers to help you Choose Your Beach™ and plan your perfect beach vacation!