December weather forecast
Tennessee, USA

December in Tennessee marks the onset of winter, ushering in a cold, yet relatively mild season compared to northern states. Average high temperatures range from 48°F (8.9°C) to 61°F (16.1°C), while lows hover between 28°F (-2.2°C) and 38°F (3.3°C). In eastern cities like Knoxville, the chill is more pronounced, especially in the highlands. Conversely, western regions including Memphis and Nashville experience milder conditions, although still unmistakably winter-like.

December is one of the wetter months, with precipitation frequently manifesting as rain in lower elevations and as snow or sleet in the highlands. The eastern mountainous areas are particularly prone to substantial snowfall, setting the stage for winter sports and activities. The first frost typically arrives in this month, covering the landscape in a thin layer of ice on colder mornings.

In comparison to November, December brings a further decline in temperatures and a shift toward wintry precipitation. The state transitions from the crispness of late autumn to the chill and dampness of winter. Days are shorter, and the sun's appearance becomes less frequent, adding to the overall cool ambiance. December serves as a prelude to the coldest months of January and February, as Tennessee delves deeper into the winter season.

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• Nashville - December »
  December is the most humid month with an average relative humidity of 78%. With an average of 9h and 42min of daylight, December has the shortest days of the year in Nashville, Tennessee.
• Memphis - December »
  December has the shortest days of the year in Memphis with an average of 9h and 48min of daylight. In Memphis, Tennessee, in December, it is raining for 9.3 days, with typically 1.18" (30mm) of accumulated precipitation.
• Knoxville - December »
  In Knoxville, Tennessee, during December, the rain falls for 12.2 days and regularly aggregates up to 3.07" (78mm) of precipitation. In Knoxville, during December, snow falls for 1.7 days and regularly aggregates up to 0.47" (12mm) of snow.
• Chattanooga - December »
  The month with the most rainfall in Chattanooga is December, when the rain falls for 13.7 days and typically aggregates up to 4.37" (111mm) of precipitation. The month with the most rainfall in Chattanooga is December, when the rain falls for 13.7 days and typically aggregates up to 4.37" (111mm) of precipitation.
• Clarksville - December »
  The month with the most snowfall in Clarksville is December, when snow falls for 2.5 days and typically aggregates up to 1.02" (26mm) of snow. With an average of 9h and 42min of daylight, December has the shortest days of the year in Clarksville, Tennessee.
• Murfreesboro - December »
  December has the shortest days of the year in Murfreesboro with an average of 9h and 48min of daylight. In Murfreesboro, Tennessee, in December, it is raining for 9.6 days, with typically 1.1" (28mm) of accumulated precipitation.
• Franklin - December »
  In Franklin, Tennessee, in December, snow falls for 2.2 days, with typically accumulated 0.47" (12mm) of snow. December has the shortest days of the year in Franklin with an average of 9h and 48min of daylight.
• Jackson - December »
  The month with the most snowfall in Jackson is December, when snow falls for 0.9 days and typically aggregates up to 0.31" (8mm) of snow. In Jackson in December, snow falls for 0.9 days, with typically accumulated 0.31" (8mm) of snow.
• Johnson City - December »
  February and December, with an average relative humidity of 79%, are most humid months in Johnson City, Tennessee. January, February and December, with an average maximum UV index of 2, are months with the lowest UV index in Johnson City, Tennessee.
• Bartlett - December »
  The months with the highest humidity in Bartlett are March and December, with an average relative humidity of 78%. January through March, November and December are months with snowfall in Bartlett, Tennessee.
• Hendersonville - December »
  January, February and December, with an average of 4.6h of sunshine, are months with the least sunshine in Hendersonville. January, February and December, with an average of 4.6h of sunshine, are months with the least sunshine in Hendersonville.
• Kingsport - December »
  In Kingsport, during December, the rain falls for 10.9 days and regularly aggregates up to 2.17" (55mm) of precipitation. In Kingsport, during December, snow falls for 2.7 days and regularly aggregates up to 1.38" (35mm) of snow.