Suomenniemi, Finland offers 1 beach perfect for sunbathing, surfing, swimming, and more. Suomenniemi is known for its proximity to Lake Saimaa, offering scenic natural landscapes and opportunities for outdoor activities. The best time to travel to Suomenniemi, Finland, is during the summer months of June to August, when the average air temperature is around 15-20°C (59-68°F) and the 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!