Leeuwarden, Netherlands offers 2 beaches perfect for sunbathing, surfing, swimming, and more. Leeuwarden is known for the Fries Museum and the leaning Oldehove tower. The best time to travel to Leeuwarden, 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!