Teteto, Northern Mariana Islands offers 3 beaches perfect for sunbathing, surfing, swimming, and more. Teteto, Rota Island, Northern Mariana Islands, is known for the Rota Latte Stone Quarry and the Taga Latte Stone Quarry. The best time to travel to Teteto, Northern Mariana Islands, is from December to June, with average air temperatures around 80°F (27°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!