The best time to visit Punta Arenas, Chile, is during the Southern Hemisphere's summer, from late December to mid-February. During this window, you’ll experience the warmest weather, with average highs reaching a modest 54°F (12°C). This is the peak season for exploring the Magellan Strait and visiting the Magdalena Island Penguin Reserve, which is typically accessible only from October to March. If you prefer avoiding the largest crowds while still enjoying manageable weather, the "shoulder months" of October, November, and March are excellent alternatives. Winter (June to August) is extremely cold, with daylight lasting only about 6-7 hours, but it offers a unique, snowy landscape and fewer tourists for those interested in the "end of the world" winter atmosphere. In 2026, April also presents a scenic opportunity as autumn foliage creates a stunning backdrop along the coastal mountains, though temperatures will dip toward a chilly 40°F (4°C).