Kemah, United States offers 1 beach perfect for sunbathing, surfing, swimming, and more. Kemah is known for the Kemah Boardwalk, a popular waterfront amusement and entertainment destination. The best time to travel to Kemah, United States, is from March to May, when the average air temperature is around 70-80°F and the water temperature is approximately 70°F. Sandee provides detailed maps, photos, and reviews from fellow beachgoers to help you Choose Your Beach™ and plan your perfect beach vacation!