Terschelling, Netherlands offers 7 beaches perfect for sunbathing, surfing, swimming, and more. Terschelling is known for its expansive sandy beaches and the annual Oerol Festival. The best time to travel to Terschelling, Netherlands, is from June to August, when the average air temperature is around 18°C (64°F) and the water temperature is approximately 17°C (63°F). Sandee provides detailed maps, photos, and reviews from fellow beachgoers to help you Choose Your Beach™ and plan your perfect beach vacation!