Gilford, United States offers 2 beaches perfect for sunbathing, surfing, swimming, and more. Gilford, New Hampshire, United States, is known for the Bank of New Hampshire Pavilion, a popular outdoor concert venue. The best time to travel to Gilford, United States, is during the summer months of June to August, when the average air temperature is around 70-80°F and the water temperature in nearby Lake Winnipesaukee is approximately 70°F. Sandee provides detailed maps, photos, and reviews from fellow beachgoers to help you Choose Your Beach™ and plan your perfect beach vacation!