Suwarrow, Cook Islands offers 1 beach perfect for sunbathing, surfing, swimming, and more. Suwarrow is known for Suwarrow Atoll, a pristine national park and bird sanctuary in the Cook Islands. The best time to travel to Suwarrow, Cook Islands, is from May to 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!