Each month in Yosemite's calendar has its own myriad charms. Spring is a wonderful time for visiting Yosemite Valley, when its famous waterfalls are at their peak flow. First-time visitors would do well to time their initial Yosemite trip for April or May, when the Valley is at its most photogenic, the waterfalls are shimmering whitewater cascades, and the summer crowds have not yet arrived.
The summer months from June to October are the only time that the entire park, including the high country (Glacier Point and Tuolumne Meadows areas), is open and accessible. Road closures and openings vary from year to year depending on snow conditions, but in most years all park roads are open by early June. Summer is, not surprisingly, the busiest season in Yosemite.
Autumn and winter are the most peaceful seasons in Yosemite, and many would argue that they are the best. Lowest visitation levels in the park are recorded from November to March, except for around the holidays. Fall colors on the Valley floor are often spectacular. Winter snow changes the character and mood of the park. And there is much to do in Yosemite in winter; click on the winter activities page for details.