Beikut, Papua New Guinea offers 1 beach perfect for sunbathing, surfing, swimming, and more. Beikut, Bougainville, Papua New Guinea, is known for its proximity to the Panguna Mine and the scenic beauty of the surrounding Bougainville Island. The best time to travel to Beikut, Papua New Guinea, is from May to October, with average air temperatures around 77°F (25°C) and water temperatures near 82°F (28°C). Sandee provides detailed maps, photos, and reviews from fellow beachgoers to help you Choose Your Beach™ and plan your perfect beach vacation!