Lyme Regis, United Kingdom offers 6 beaches perfect for sunbathing, surfing, swimming, and more. Lyme Regis is known for the Jurassic Coast, the Cobb, and the Lyme Regis Museum. The best time to visit Lyme Regis, United Kingdom, is from June to August when the average air temperature is around 18°C (64°F) and the water temperature is approximately 16°C (61°F). Sandee provides detailed maps, photos, and reviews from fellow beachgoers to help you Choose Your Beach™ and plan your perfect beach vacation!