Vantaa, Finland offers 1 beach perfect for sunbathing, surfing, swimming, and more. Vantaa is known for the Helsinki-Vantaa Airport and the Finnish Aviation Museum. The best time to travel to Vantaa, Finland, is during the summer months of June to August, when the average air temperature is around 15-20°C (59-68°F) and water temperature is approximately 15-18°C (59-64°F). Sandee provides detailed maps, photos, and reviews from fellow beachgoers to help you Choose Your Beach™ and plan your perfect beach vacation!