December in Chattanooga, Tennessee, typically brings a transition from late autumn to early winter. Expect cool temperatures, occasional rainfall, and the possibility of snow, though accumulations are usually light and infrequent. Average highs range from the mid-40s to low 50s Fahrenheit (around 7-10C), while average lows dip into the 30s Fahrenheit (around 2-4C). This period experiences shorter daylight hours and relatively higher humidity compared to the summer months.
Understanding typical climatic conditions during this period is crucial for residents and visitors. Preparation for cooler temperatures, including appropriate clothing and home heating, is essential. Awareness of potential precipitation impacts travel plans and outdoor activities. Historically, December’s weather has influenced local agriculture, impacting late harvests and winter crop preparations. Furthermore, the shift in climate contributes to the region’s distinct seasonal character, affecting tourism and recreational opportunities.