Agios Panteleimonas, Greece offers 3 beaches perfect for sunbathing, surfing, swimming, and more. Agios Panteleimonas, Western Greece, Greece, is known for its proximity to the historic site of Ancient Olympia. The best time to travel to Agios Panteleimonas, Greece, is from late May to early October, with average air temperatures around 75°F (24°C) and water temperatures around 73°F (23°C). Sandee provides detailed maps, photos, and reviews from fellow beachgoers to help you Choose Your Beach™ and plan your perfect beach vacation!