Dillon Hills, United States offers 1 beach perfect for sunbathing, surfing, swimming, and more. Dillon Hills is known for its scenic hiking trails and picturesque landscapes. The best time to travel to Dillon Hills, United States, is during the summer months of June to August, when the average air temperature is around 75°F (24°C) and water temperature is approximately 70°F (21°C). Sandee provides detailed maps, photos, and reviews from fellow beachgoers to help you Choose Your Beach™ and plan your perfect beach vacation!