Pori, Finland offers 1 beach perfect for sunbathing, surfing, swimming, and more. Pori is known for its annual Pori Jazz Festival, one of the oldest and most renowned jazz festivals in Europe. The best time to travel to Pori, 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 in the Baltic Sea 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!