Betano, Timor Leste offers 2 beaches perfect for sunbathing, surfing, swimming, and more. Betano, Timor Leste, is known for its historical significance as the site of the wreck of the Australian ship HMAS Voyager during World War II. The best time to travel to Betano, Timor Leste, is from May to October, with average air temperatures around 27°C (81°F) and water temperatures near 28°C (82°F). Sandee provides detailed maps, photos, and reviews from fellow beachgoers to help you Choose Your Beach™ and plan your perfect beach vacation!