The best time to go to Seaham is during the late spring and summer months, from May to September, when the weather is generally mild and pleasant.During these months, you'll find the most sunshine and the warmest temperatures, making it ideal for enjoying Seaham's coastline and outdoor activities. The longer daylight hours also allow for more exploration of the Durham Heritage Coast and its various walking trails. It's a great time for couples to enjoy strolls along Seaham Beach or visit Seaham Harbour Marina.Families often find July and August particularly appealing as the sea temperatures are at their highest, which is more comfortable for paddling or trying watersports.