Matafa a, Samoa offers 1 beach perfect for sunbathing, surfing, swimming, and more. Matafa a, A ana, Samoa, is known for the Robert Louis Stevenson Museum and the stunning Papaseea Sliding Rocks. The best time to travel to Matafa'a, Samoa, is between May and October, when the average air temperature is around 77-86°F (25-30°C) and the water temperature is approximately 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!