Hai Giang, Vietnam offers 1 beach perfect for sunbathing, surfing, swimming, and more. Hai Giang, Binh Dinh, Vietnam, is known for the FLC Quy Nhon Beach & Golf Resort. The best time to travel to Hai Giang, Vietnam, is from December to April, with average air temperatures around 24-30°C (75-86°F) and water temperatures approximately 25-28°C (77-82°F). Sandee provides detailed maps, photos, and reviews from fellow beachgoers to help you Choose Your Beach™ and plan your perfect beach vacation!