Avarua District, French Polynesia offers 1 beach perfect for sunbathing, surfing, swimming, and more. Avarua District, Rarotonga, French Polynesia, is known for its vibrant Punanga Nui Market and the Cook Islands National Museum. The best time to travel to Avarua District, French Polynesia, is from May to October, with average air temperatures around 77°F (25°C) and water temperatures near 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!