Dibab, Oman offers 2 beaches perfect for sunbathing, surfing, swimming, and more. Dibab, Muscat Governorate, Oman, is known for the Bimmah Sinkhole, a stunning natural water-filled depression that attracts tourists for its unique beauty and swimming opportunities. The best time to travel to Dibab, Oman, is between November and March, when the average air temperature is around 25°C (77°F) and the water temperature is approximately 24°C (75°F). Sandee provides detailed maps, photos, and reviews from fellow beachgoers to help you Choose Your Beach™ and plan your perfect beach vacation!