Peterlee, United Kingdom offers 4 beaches perfect for sunbathing, surfing, swimming, and more. Peterlee is known for its proximity to the Durham Heritage Coast and Castle Eden Dene National Nature Reserve. The best time to travel to Peterlee, United Kingdom, is during late spring to early summer (May to June) when the average air temperature is around 15-18°C (59-64°F) and the North Sea water temperature is approximately 10-12°C (50-54°F). Sandee provides detailed maps, photos, and reviews from fellow beachgoers to help you Choose Your Beach™ and plan your perfect beach vacation!