Aua, Samoa offers 1 beach perfect for sunbathing, surfing, swimming, and more. Aua, Eastern, Samoa, is known for its proximity to the National Park of American Samoa. The best time to travel to Aua, Samoa, is from May to October, when the average air temperature is around 79°F (26°C) and the water temperature is approximately 82°F (28°C). Sandee provides detailed maps, photos, and reviews from fellow beachgoers to help you Choose Your Beach™ and plan your perfect beach vacation!