The best time to take an expedition cruise to Norway, particularly along the fjords or to the northern reaches of Tromso and Svalbard, is in and around the summer months from May to September. This period offers mild temperatures, extended daylight with nearly 24-hour sunlight in June and July and an ideal climate for optimal wildlife viewing. Expect breathtaking scenery with dramatic fjords, glaciers and mountains, along with abundant wildlife such as whales, seabirds and even polar bears in Svalbard. Plus, if you’re lucky, you might catch a glimpse of the awe-inspiring Northern Lights in early May or late September.