Botany Bay, Australia offers 1 beach perfect for sunbathing, surfing, swimming, and more. Botany Bay is known for its historical significance as the landing site of Captain James Cook in 1770 and its proximity to Sydney's natural attractions. The best time to visit Botany Bay, Australia, is from December to February, with average air temperatures around 25°C (77°F) and water temperatures near 22°C (72°F). Sandee provides detailed maps, photos, and reviews from fellow beachgoers to help you Choose Your Beach™ and plan your perfect beach vacation!