Ferrum, United States offers 1 beach perfect for sunbathing, surfing, swimming, and more. Ferrum, California, United States, is known for the Ironstone Vineyards and its annual Daffodil Festival. The best time to travel to Ferrum, United States, is in late spring (May), when the average air temperature is around 70°F (21°C) and water temperatures in nearby lakes are typically in the mid-60s°F (around 18°C). Sandee provides detailed maps, photos, and reviews from fellow beachgoers to help you Choose Your Beach™ and plan your perfect beach vacation!