The "best" month to visit the Great Smoky Mountains National Park depends on your priority, but October is widely considered the peak for most visitors. During mid-to-late October, the park undergoes its famous autumn transformation, with the deciduous forests turning vibrant shades of red, orange, and gold. However, this is also the busiest and most expensive time to visit. For those looking to avoid crowds while still enjoying beautiful scenery, May is an excellent alternative. May offers the peak of the spring wildflower bloom, lush green foliage, and comfortable temperatures ranging from 65°F to 75°F. If you are a photography enthusiast seeking the most stable weather and clear views from Clingmans Dome (now called Kuwohi), September offers lower humidity and the very first hints of fall color at the highest elevations. For those on a budget who enjoy solitude and the possibility of seeing the mountains covered in a "smoky" layer of snow, January provides a peaceful experience at a fraction of the cost, though some high-elevation roads like Newfound Gap may close temporarily during storms.