Joint Base Pearl Parbor Hickam, United States offers 1 beach perfect for sunbathing, surfing, swimming, and more. Joint Base Pearl Harbor Hickam is known for the Pearl Harbor National Memorial and the USS Arizona Memorial. The best time to travel to Joint Base Pearl Harbor-Hickam is from April to October, with average air temperatures around 80°F (27°C) and water temperatures near 78°F (26°C). Sandee provides detailed maps, photos, and reviews from fellow beachgoers to help you Choose Your Beach™ and plan your perfect beach vacation!