December weather forecast
Nashville, TN

Share
Overlooking the city buildings of Nashville, Tennessee, across the riverfront, with a big cruise ship ashore
Overlooking the city buildings of Nashville, Tennessee, across the riverfront, with a big cruise ship ashore

Weather in December

December marks the official beginning of winter in Nashville with temperatures dropping to an average low of 35.6°F (2°C). Despite the frosty conditions, the holiday lights and festivities lend a warm glow to the city. The crisp, cool air coupled with the high relative humidity of 78% gives a typical winter feel. Delivering an icy yet lively ending to the year, Nashville weather in December wraps the city in a wintry blanket.

Temperature

The onset of December brings a small shift in high-temperatures, falling from a moderate 57.4°F (14.1°C) in November to a chilly 48.9°F (9.4°C). During December, the temperature tends to dip to an average of 35.6°F (2°C) at night.

Humidity

The most humid month is December, with an average relative humidity of 78%.

Rainfall

In Nashville, during December, the rain falls for 11.8 days and regularly aggregates up to 2.28" (58mm) of precipitation. Throughout the year, there are 169.9 rainfall days, and 31.3" (795mm) of precipitation is accumulated.

Snowfall

Months with snowfall are January through April, November and December. In Nashville, in December, snow falls for 3 days, with typically accumulated 0.35" (9mm) of snow. Throughout the year, there are 14.6 snowfall days, and 2.99" (76mm) of snow is accumulated.

Daylight

The month with the shortest days is December, with an average of 9h and 42min of daylight.
On the first day of December, sunrise is at 6:40 am and sunset at 4:32 pm. On the last day of the month, sunrise is at 6:57 am and sunset at 4:42 pm CST.

Sunshine

The average sunshine in December is 4.7h.

UV index

The months with the lowest UV index are January, February and December, with an average maximum UV index of 2. A UV Index of 2, and less, symbolizes a low health risk from exposure to the Sun's UV radiation for the ordinary person.
Note: In December, the maximum UV index of 2 transforms into these recommendations:
Despite most people tolerating extended sun exposure, it is critical to always protect those with sensitive skin, infants, and children. For skin protection, it's recommended to minimize Sun exposure during its peak hours around midday. Stay sun-safe with clothing that is both closely woven and worn loosely. On your guard! Snow's reflection can almost double the intensity of the Sun's UV radiation.

Frequently asked questions

What is the temperature in December in Nashville?

During December, Nashville experiences an average high-temperature of 48.9°F (9.4°C) and a low-temperature of 35.6°F (2°C). In September, the average heat index (a.k.a. 'felt air temperature', 'apparent temperature'), which calculates the temperature value influenced by the moisture in the air, is computed to be 86°F (30°C).

What is the most humid month in Nashville?

With an average relative humidity of 78%, December is the most humid month.

What is the average humidity in December?

In Nashville, the average relative humidity in December is 78%.

How many days does it rain in December in Nashville?

In Nashville, in December, it is raining for 11.8 days, with typically 2.28" (58mm) of accumulated precipitation.

How much does it snow in December?

In December, it is snowing for 3 days. Throughout December, 0.35" (9mm) of snow is accumulated.

What is the month with the shortest days?

December has the shortest days of the year, with an average of 9h and 42min of daylight.

What is the average length of the day in December?

In Nashville, the average day length in December is 9h and 45min.

When are sunrise and sunset in December?

On the first day of December, sunrise is at 6:40 am and sunset at 4:32 pm. On the last day of the month, sunrise is at 6:57 am and sunset at 4:42 pm CST.

How long on average sun shines in December?

In Nashville, the average sunshine duration in December is 4.7h.

What is the month with the lowest UV index?

The months with the lowest UV index are January, February and December, with an average maximum UV index of 2.

How high is the UV index in December?

In December, the average daily maximum UV index is 2. A UV Index estimate of 2, and below, represents a low health risk from unsafe exposure to Sun's UV rays.
Average humidity
Average rainfall days
Average snowfall days
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in December
Nashville, TN

Average temperature in December - Nashville, TN
  • Average high temperature in December: 48.9°F

The warmest month (with the highest average high temperature) is July (88.3°F).
The month with the lowest average high temperature is January (44.1°F).

  • Average low temperature in December: 35.6°F

The month with the highest average low temperature is July (69.8°F).
The coldest month (with the lowest average low temperature) is January (30.6°F).

Average pressure in December
Nashville, TN

Average pressure in December - Nashville, TN
  • Average pressure in December: 30.15"Hg

The month with the highest atmospheric pressure is January (30.17"Hg).
The month with the lowest atmospheric pressure is June (29.97"Hg).

Average wind speed in December
Nashville, TN

Average wind speed in December - Nashville, TN
  • Average wind speed in December: 7.5mph

The windiest month (with the highest average wind speed) is February (8.1mph).
The calmest months (with the lowest average wind speed) are July and August (4.6mph).

Average humidity in December
Nashville, TN

Average humidity in December - Nashville, TN
  • Average humidity in December: 78%

The month with the highest relative humidity is December (78%).
The month with the lowest relative humidity is October (72%).

Average rainfall in December
Nashville, TN

Average rainfall in December - Nashville, TN
  • Average rainfall in December: 2.28"

The wettest month (with the highest rainfall) is July (4.02").
The driest month (with the least rainfall) is November (1.77").

Average rainfall days in December
Nashville, TN

Average rainfall days in December - Nashville, TN
  • Average rainfall days in December: 11.8 days

The month with the highest number of rainy days is July (20.2 days).
The month with the least rainy days is November (9.7 days).

Average snowfall in December
Nashville, TN

Average snowfall in December - Nashville, TN
  • Average snowfall in December: 0.35"

The month with the highest snowfall is January (0.94").
The months with the least snowfall are May, June, July, August, September and October (0").

Average snowfall days in December
Nashville, TN

Average snowfall days in December - Nashville, TN
  • Average snowfall days in December: 3 days

The month with the highest number of snowfall days is January (4.7 days).
The months with the least snowfall days are May, June, July, August and September (0 days).

Average daylight in December /
Average sunshine in December
Nashville, TN

Average daylight in December / Average sunshine in December - Nashville, TN
  • Average daylight in December: 9h and 4min

The month with the longest days is June (Average daylight: 14h and 36min).
The month with the shortest days is December (Average daylight: 9h and 42min).

  • Average sunshine in December: 4h and 4min

The month with the most sunshine is June (Average sunshine: 10h and 30min).
The months with the least sunshine are January and February (Average sunshine: 4h and 36min).

Average sunshine days in December
Nashville, TN

Average sunshine days in December - Nashville, TN
  • Average sunshine days in December: 16.2 days

The month with the most sunshine days is November (18.8 days).
The month with the least sunshine days is July (9.4 days).

Average UV index in December
Nashville, TN

Average UV index in December - Nashville, TN
  • Average UV index in December: 2

The months with the highest UV index are May, June, July and August (UV index 6).
The months with the lowest UV index are January, February and December (UV index 2).

Average cloud cover in December
Nashville, TN

Average cloud cover in December - Nashville, TN
  • Average cloud cover in December: 51

The month with the most cloud cover is February (Cloud cover 53).
The months with the least cloud cover are June and August (Cloud cover 29).

Average visibility in December
Nashville, TN

Average visibility in December - Nashville, TN
  • Average visibility in December: 6mi

The months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).

Nashville, Tennessee, USA

Weather forecast for your location

1. Click Locate me button
2. Allow the app to use your location