Almirante Brown, Argentina offers 1 beach perfect for sunbathing, surfing, swimming, and more. Almirante Brown, Tierra del Fuego, Argentina, is known for its proximity to the Beagle Channel and the Tierra del Fuego National Park. The best time to travel to Almirante Brown, Argentina, is during the summer months of December to February, when the average air temperature is around 75°F (24°C) and the water temperature is approximately 70°F (21°C). Sandee provides detailed maps, photos, and reviews from fellow beachgoers to help you Choose Your Beach™ and plan your perfect beach vacation!