Eva, United States offers 1 beach perfect for sunbathing, surfing, swimming, and more. Eva, Tennessee, United States, is known for Nathan Bedford Forrest State Park. The best time to travel to Eva, United States, is in late spring (May), with average air temperatures around 70°F (21°C) and water temperatures in nearby lakes around 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!