Seeing the full peak of Mount Fuji is notoriously difficult and depends heavily on the season. In 2026, statistical data shows that Fuji is fully visible only about 80 days a year. During the summer months (June to August), the mountain is frequently shrouded in thick haze and clouds; in fact, visibility in July can drop as low as 10% to 20%, making it very rare to see the peak even on a "sunny" day. Conversely, the winter months (December and January) offer the best chances, with a 77% visibility rate due to the cold, dry air. To maximize your chances, the "Golden Window" is early morning, specifically before 9:00 AM, as clouds tend to form around the summit as the day warms up. For 2026 tourists taking a day trip from Tokyo, a "clear" forecast in the city does not guarantee a view at the mountain, so using real-time Fuji webcams before departing is highly recommended to avoid disappointment.