Painesville, United States offers 2 beaches perfect for sunbathing, surfing, swimming, and more. Painesville is not typically known for travel and beach tourism. The best time to travel to Painesville, United States, is during the summer months of June to August, when the average air temperature is around 70-80°F (21-27°C) and the water temperature in nearby Lake Erie is approximately 70°F (21°C). Sandee provides detailed maps, photos, and reviews from fellow beachgoers to help you Choose Your Beach™ and plan your perfect beach vacation!