Peak fall foliage dates in the United States range from late September to early November. Inland areas generally reach peak foliage color earlier than coastal areas.
Areas that reach peak leaf color as early as September include northern New York, northern Vermont and northern New Hampshire. Areas that don't reach peak leaf color until November include Texas, Florida and coastal Virginia. The majority of areas with deciduous trees reach peak fall foliage in October, including New England, the Midwest and the Pacific Northwest.
These are not fixed dates because of several weather-related factors. If early frost occurs, leaves are unable to change color. Also, if a drought occurs, the leaves fall from the trees before they can change color.