Allen, Philippines offers 3 beaches perfect for sunbathing, surfing, swimming, and more. Allen is known for its proximity to the San Juanico Bridge and the picturesque Biri Island rock formations. The best time to travel to Allen, Philippines, is from December to May, with average air temperatures around 77-86°F (25-30°C) and water temperatures approximately 81-84°F (27-29°C). Sandee provides detailed maps, photos, and reviews from fellow beachgoers to help you Choose Your Beach™ and plan your perfect beach vacation!