Niah, Malaysia offers 2 beaches perfect for sunbathing, surfing, swimming, and more. Niah is known for the Niah Caves, a significant archaeological and historical site featuring ancient cave paintings and prehistoric human remains. The best time to travel to Niah, 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!