Peppermint Grove Beach, Australia offers 2 beaches perfect for sunbathing, surfing, swimming, and more. Peppermint Grove Beach, Western Australia, Australia, is known for its proximity to the Tuart Forest National Park and the Capel Vale Winery. The best time to visit Peppermint Grove Beach, Australia, is from December to February, with average air temperatures around 25°C (77°F) and water temperatures around 22°C (72°F). Sandee provides detailed maps, photos, and reviews from fellow beachgoers to help you Choose Your Beach™ and plan your perfect beach vacation!