Sannainen, Finland offers 1 beach perfect for sunbathing, surfing, swimming, and more. Sannainen is known for its proximity to the Porvoo Archipelago and the historic town of Porvoo. The best time to travel to Sannainen, Finland, is during the summer months of June to August, when the average air temperature is around 60-70°F (15-21°C) and the water temperature is approximately 60°F (16°C). Sandee provides detailed maps, photos, and reviews from fellow beachgoers to help you Choose Your Beach™ and plan your perfect beach vacation!
