Yankee Run, United States offers 3 beaches perfect for sunbathing, surfing, swimming, and more. Yankee Run, Kansas, United States, is known for the Yankee Run Historical Museum and the annual Kansas Sunflower Festival. The best time to travel to Yankee Run, United States, is during late spring to early fall when the average air temperature ranges from 60°F to 80°F and water temperature is around 65°F to 75°F. Sandee provides detailed maps, photos, and reviews from fellow beachgoers to help you Choose Your Beach™ and plan your perfect beach vacation!