The best time to visit Oku-Muri depends on whether you prefer winter sports or warmer weather activities, with distinct peak seasons for each.For those interested in skiing, snowboarding, and other winter sports, the prime time to visit is from December to March. During these months, Oku-Muri's resorts are fully operational, offering abundant snowfall and well-maintained slopes. The crisp, cold weather is ideal for enjoying the region's renowned powder snow.If you prefer hiking, exploring nature, and enjoying milder temperatures, the months of June through September are most suitable. This period offers pleasant weather for outdoor activities, with lush landscapes and opportunities to see local flora and fauna.