Smithfield, United States offers 8 beaches perfect for sunbathing, surfing, swimming, and more. Smithfield is known for the historic St. Luke's Church and the Smithfield Foods ham production. The best time to travel to Smithfield, United States, is in late spring (May), when the average air temperature is around 70°F (21°C) and the water temperature is approximately 65°F (18°C). Sandee provides detailed maps, photos, and reviews from fellow beachgoers to help you Choose Your Beach™ and plan your perfect beach vacation!