Grad Buje, Croatia offers 1 beach perfect for sunbathing, surfing, swimming, and more. Grad Buje, Istria, Croatia, is known for its historic Old Town, the Church of St. Servulus, and its proximity to the renowned wine and olive oil regions of Istria. The best time to travel to Grad Buje, Croatia, is from May to September, when the average air temperature ranges from 20°C to 30°C and the sea temperature is around 22°C to 25°C. Sandee provides detailed maps, photos, and reviews from fellow beachgoers to help you Choose Your Beach™ and plan your perfect beach vacation!