Bacnotan, Philippines offers 20 beaches perfect for sunbathing, surfing, swimming, and more. Bacnotan is known for the Holcim Cement Factory and the Bacnotan Surfing Area. The best time to travel to Bacnotan, Philippines, is from December to February, with average air temperatures around 26-28°C (79-82°F) and water temperatures about 27°C (81°F). Sandee provides detailed maps, photos, and reviews from fellow beachgoers to help you Choose Your Beach™ and plan your perfect beach vacation!