Speculator, United States offers 1 beach perfect for sunbathing, surfing, swimming, and more. Speculator, New York, United States, is known for Oak Mountain Ski Center and the Speculator Loop Trail. The best time to travel to Speculator, United States, is during the summer months of June to August, when the average air temperature is around 70-75°F and the water temperature in nearby lakes is approximately 65-70°F. Sandee provides detailed maps, photos, and reviews from fellow beachgoers to help you Choose Your Beach™ and plan your perfect beach vacation!