Costesti, Moldova offers 1 beach perfect for sunbathing, surfing, swimming, and more. Costesti, Riscani, Moldova, is known for its picturesque landscapes and traditional Moldovan culture. The best time to travel to Costesti, Moldova, is in late spring (May to June) when the average air temperature is around 20°C (68°F) and the water temperature is approximately 18°C (64°F). Sandee provides detailed maps, photos, and reviews from fellow beachgoers to help you Choose Your Beach™ and plan your perfect beach vacation!