Whittier, United States offers 2 beaches perfect for sunbathing, surfing, swimming, and more. Whittier is known for its unique access to Prince William Sound and the Anton Anderson Memorial Tunnel. The best time to travel to Whittier, United States, is from June to August, with average air temperatures around 55-65°F and water temperatures around 50-55°F. Sandee provides detailed maps, photos, and reviews from fellow beachgoers to help you Choose Your Beach™ and plan your perfect beach vacation!