Massena, United States offers 2 beaches perfect for sunbathing, surfing, swimming, and more. Massena, New York, United States, is known for the Eisenhower Lock on the St. Lawrence Seaway. The best time to travel to Massena, United States, is in late spring or early fall when the average air temperature is around 60-70°F and the water temperature is approximately 50-60°F. Sandee provides detailed maps, photos, and reviews from fellow beachgoers to help you Choose Your Beach™ and plan your perfect beach vacation!