Operating Hours & Seasons. Bryce Canyon National Park is Closed. The park is typically open 24 hours a day throughout the year. The most popular months to visit are May through September. There may be temporary road closures during and shortly after winter snow storms. Road(s) will stay closed until plowing is completed and conditions are safe for visitor traffic. Check current conditions for more information. Operating Hours & Seasons - Bryce Canyon National Park (U.S. National Park Service)