Onley, United States offers 1 beach perfect for sunbathing, surfing, swimming, and more. Onley, Virginia, United States, is known for its proximity to the Eastern Shore Railway Museum and the charming small-town atmosphere. The best time to travel to Onley, 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!