Sam Roi Yot, Thailand offers 5 beaches perfect for sunbathing, surfing, swimming, and more. Sam Roi Yot is known for Khao Sam Roi Yot National Park, which features the famous Phraya Nakhon Cave. The best time to travel to Sam Roi Yot, Thailand, is from November to February, with average air temperatures around 25-30°C (77-86°F) and water temperatures around 28°C (82°F). Sandee provides detailed maps, photos, and reviews from fellow beachgoers to help you Choose Your Beach™ and plan your perfect beach vacation!