Zarautz, Spain offers 3 beaches perfect for sunbathing, surfing, swimming, and more. Zarautz is known for its long sandy beach and the renowned restaurant Karlos Arguinano. The best time to travel to Zarautz, Spain, is from June to September, when the average air temperature is around 20-25°C (68-77°F) and the water temperature is approximately 20-22°C (68-72°F). Sandee provides detailed maps, photos, and reviews from fellow beachgoers to help you Choose Your Beach™ and plan your perfect beach vacation!