Fort Ross, United States offers 1 beach perfect for sunbathing, surfing, swimming, and more. Fort Ross, California, United States, is known for the Fort Ross State Historic Park, which preserves the site of a former Russian fur trading outpost. The best time to visit Fort Ross, United States, is from June to September, when the average air temperature is around 60-70°F and the water temperature is approximately 50-55°F. Sandee provides detailed maps, photos, and reviews from fellow beachgoers to help you Choose Your Beach™ and plan your perfect beach vacation!