Addison, United States offers 1 beach perfect for sunbathing, surfing, swimming, and more. Addison, Vermont, United States, is known for its scenic views of the Champlain Valley and the historic Lake Champlain Bridge. The best time to travel to Addison, United States, is in late spring (May), when the average air temperature is around 70°F (21°C) and water temperature is not applicable as Addison is not near a large body of water. Sandee provides detailed maps, photos, and reviews from fellow beachgoers to help you Choose Your Beach™ and plan your perfect beach vacation!