Aitutaki, Cook Islands offers 4 beaches perfect for sunbathing, surfing, swimming, and more. Aitutaki is known for its stunning Aitutaki Lagoon, which is a popular destination for snorkeling and lagoon tours. The best time to travel to Aitutaki, Cook Islands, is from April to November, with average air temperatures around 77-86°F (25-30°C) and water temperatures around 77-82°F (25-28°C). Sandee provides detailed maps, photos, and reviews from fellow beachgoers to help you Choose Your Beach™ and plan your perfect beach vacation!