Bilosarais ka Kosa, Ukraine offers 1 beach perfect for sunbathing, surfing, swimming, and more. Bilosarais ka Kosa, Donetsk Oblast, Ukraine, is known for the Bilosaraiska Spit and Azov-Syvash National Nature Park. The best time to travel to Bilosaraiska Kosa, Ukraine, is from June to August, when the average air temperature is around 25°C (77°F) and the water temperature is approximately 22°C (72°F). Sandee provides detailed maps, photos, and reviews from fellow beachgoers to help you Choose Your Beach™ and plan your perfect beach vacation!