Madang, Papua New Guinea offers 1 beach perfect for sunbathing, surfing, swimming, and more. Madang is known for its beautiful coral reefs and the Madang Resort. The best time to travel to Madang, Papua New Guinea, 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!