Yellowstone National Park, United States offers 7 beaches perfect for sunbathing, surfing, swimming, and more. Cottage Cove, Nova Scotia, Canada, is known for its scenic views and opportunities to observe seals and other marine wildlife. The best time to visit Yellowstone National Park is from late April to early June, with average air temperatures ranging from 40-70°F (4-21°C) and water temperatures in the park's rivers and lakes typically around 40-50°F (4-10°C). Sandee provides detailed maps, photos, and reviews from fellow beachgoers to help you Choose Your Beach™ and plan your perfect beach vacation!