Yona Municipality, Guam offers 1 beach perfect for sunbathing, surfing, swimming, and more. Yona Municipality, Guam, is known for the LeoPalace Resort, a popular destination for golf and leisure activities. The best time to travel to Yona Municipality, Guam, is from January to May, with average air temperatures around 80-85°F (27-29°C) and water temperatures near 82°F (28°C). Sandee provides detailed maps, photos, and reviews from fellow beachgoers to help you Choose Your Beach™ and plan your perfect beach vacation!