Pine Stump Junction, United States offers 1 beach perfect for sunbathing, surfing, swimming, and more. Pine Stump Junction is not widely known for travel and beach tourism. The best time to travel to Pine Stump Junction, United States, is during the summer months of June to August, when the average air temperature ranges from 60°F to 75°F (15°C to 24°C) and the nearby Lake Superior water temperature averages around 55°F to 65°F (13°C to 18°C). Sandee provides detailed maps, photos, and reviews from fellow beachgoers to help you Choose Your Beach™ and plan your perfect beach vacation!