Winchester, United States offers 3 beaches perfect for sunbathing, surfing, swimming, and more. Sherbrooke is known for the University of Sherbrooke and the Sherbrooke Nature and Science Museum. The best time to travel to Winchester, United States, is in late spring (May), when the average air temperature is around 70°F (21°C) and the water temperature in nearby lakes is approximately 60°F (16°C). Sandee provides detailed maps, photos, and reviews from fellow beachgoers to help you Choose Your Beach™ and plan your perfect beach vacation!