Dumas, India offers 1 beach perfect for sunbathing, surfing, swimming, and more. Dumas, Gujarat, India, is known for its black sand beach and paranormal activities. The best time to travel to Dumas, India, is from November to February, with average air temperatures around 20-25°C (68-77°F) and water temperatures near 22-25°C (72-77°F). Sandee provides detailed maps, photos, and reviews from fellow beachgoers to help you Choose Your Beach™ and plan your perfect beach vacation!