December in the Great Smoky Mountains National Park typically brings a mix of winter conditions. Higher elevations experience consistent sub-freezing temperatures, often resulting in snow and ice accumulation. Lower elevations experience more moderate temperatures, fluctuating between freezing and thawing. Precipitation, whether rain or snow, is common throughout the month.
Understanding typical climatic conditions during this period is crucial for visitor safety and enjoyment. Proper preparation for cold weather, including appropriate clothing and gear, is essential. Road closures due to snow and ice are possible, necessitating flexible travel plans. The unique winter landscapes offer opportunities for photography and observing wildlife adapted to colder conditions. Historically, December marked a period of reduced activity within the park, allowing the natural environment to rest and regenerate.