Bintulu, Malaysia offers 9 beaches perfect for sunbathing, surfing, swimming, and more. Bintulu is known for Similajau National Park and the Bintulu Tumbina Park. The best time to travel to Bintulu, Malaysia, is between March and October, with average air temperatures around 27-32°C (81-90°F) and water temperatures approximately 28-30°C (82-86°F). Sandee provides detailed maps, photos, and reviews from fellow beachgoers to help you Choose Your Beach™ and plan your perfect beach vacation!