Edinboro, United States offers 3 beaches perfect for sunbathing, surfing, swimming, and more. Edinboro, Pennsylvania, United States, is known for Edinboro University and the annual Edinboro Highland Games and Scottish Festival. The best time to travel to Edinboro, United States, is during the summer months of June to August, when the average air temperature is around 70-80°F and the water temperature in Edinboro Lake is approximately 70°F. Sandee provides detailed maps, photos, and reviews from fellow beachgoers to help you Choose Your Beach™ and plan your perfect beach vacation!