San Juan de Chadmo, Chile offers 1 beach perfect for sunbathing, surfing, swimming, and more. San Juan de Chadmo is known for its proximity to the Chiloe National Park and the traditional Chilote culture. The best time to travel to San Juan de Chadmo, Chile, is during the summer months of December to February, when the average air temperature is around 60-70°F (15-21°C) and the water temperature is approximately 55-60°F (13-16°C). Sandee provides detailed maps, photos, and reviews from fellow beachgoers to help you Choose Your Beach™ and plan your perfect beach vacation!