Sumuna Mission, Papua New Guinea offers 1 beach perfect for sunbathing, surfing, swimming, and more. Sumuna Mission, New Ireland Province, Papua New Guinea, is known for its cultural heritage and traditional village experiences. The best time to travel to Sumuna Mission, Papua New Guinea, is from May to October, with average air temperatures around 25-30°C (77-86°F) and water temperatures approximately 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!
