Kocoma, Fiji offers 2 beaches perfect for sunbathing, surfing, swimming, and more. Kocoma, Northern, Fiji, is known for its proximity to the Great Sea Reef, one of the world's longest barrier reefs. The best time to travel to Kocoma, Fiji, 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!