The best time to visit Toyako is during the warmer months, from April to October, when the weather is pleasant and most activities are available.April to May offers comfortable temperatures and the chance to see cherry blossoms around the lake. This period is ideal for couples who enjoy scenic walks and photography without the summer crowds. You can enjoy the fresh spring air and the delicate beauty of the blooming trees along the lakeside promenades.From June to August, the weather is warm and sunny, superb for outdoor activities like cruising on Lake Toya, hiking Mount Usu, and enjoying the evening fireworks display. This is a great time for families, as many boat tours and recreational options are fully operational, offering plenty to keep everyone entertained. The Lake Toya Long-Run Fireworks Festival runs nightly during this season, providing a spectacular close to each day.September to October brings cooler temperatures and the vibrant colors of autumn foliage. This season is particularly appealing for solo travelers or couples seeking a tranquil experience amidst stunning natural beauty. The cooler air is excellent for exploring the walking trails, and the changing leaves create picturesque views around the lake and on the surrounding mountains.