Waisomo, Fiji offers 1 beach perfect for sunbathing, surfing, swimming, and more. Waisomo, Central, Fiji, is known for the Waisomo Caves and the nearby Bouma National Heritage Park. The best time to travel to Waisomo, 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!