Ventspils, Latvia offers 3 beaches perfect for sunbathing, surfing, swimming, and more. Ventspils is known for its Blue Flag Beach and the Ventspils International Radio Astronomy Center. The best time to travel to Ventspils, Latvia, is during the summer months of June to August, when the average air temperature is around 17-20°C (63-68°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!