The best time to go to Idaho City is during the shoulder seasons of May, early June, and September, or in the winter months for snow-based activities.May and early June offer pleasant weather for exploring the town's historic sites and enjoying outdoor activities like hiking and fishing before the peak summer heat. The surrounding forests are green, and the rivers are often at their fullest, creating scenic views.September is another excellent shoulder month, with cooler temperatures and the start of autumn colours in the surrounding Boise National Forest. It's a great time for photography, leisurely walks, and experiencing the town without the larger summer crowds.For those interested in winter sports and a snowy landscape, December through February transforms Idaho City into a different kind of destination. The area offers opportunities for cross-country skiing, snowshoeing, and snowmobiling, with many trails accessible directly from town.