Cannon Beach, United States offers 16 beaches perfect for sunbathing, surfing, swimming, and more. Cannon Beach is known for Haystack Rock, a prominent coastal monolith and popular tourist attraction. The best time to visit Cannon Beach is from July to September, with average air temperatures around 65-70°F and water temperatures around 55-60°F. Sandee provides detailed maps, photos, and reviews from fellow beachgoers to help you Choose Your Beach™ and plan your perfect beach vacation!