Sa anapu, Samoa offers 1 beach perfect for sunbathing, surfing, swimming, and more. Sa anapu is known for its stunning Lalomanu Beach and the To Sua Ocean Trench. The best time to travel to Sa'anapu, Samoa, is from May to October, with average air temperatures around 77-86°F (25-30°C) and water temperatures near 82°F (28°C). Sandee provides detailed maps, photos, and reviews from fellow beachgoers to help you Choose Your Beach™ and plan your perfect beach vacation!