December weather forecast
Lenoir City, TN

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Weather in December

Keeping up with the holiday spirit, December in Lenoir City, Tennessee, becomes the coldest month. The returning snowfall feature takes a jump to 0.2" (5mm); it is a month filled with joy and cheer. The shortened daylight hours lend a cozy feel to this winter month. Despite the quite chilly temperatures, the festive atmosphere enlivens the city. The snowy landscapes and holiday lights make December a magical end to the year.

Temperature

The transition into December involves a small decrease in the average high-temperature, dipping slightly from a moderate 57°F (13.9°C) in November to a chilly 49.3°F (9.6°C). An average minimum temperature of 35.4°F (1.9°C) is recorded during the month of December.

Humidity

The months with the highest humidity are February and December, with an average relative humidity of 79%.

Rainfall

In Lenoir City, in December, it is raining for 8.8 days, with typically 1.22" (31mm) of accumulated precipitation. In Lenoir City, during the entire year, the rain falls for 117.7 days and collects up to 11.34" (288mm) of precipitation.

Snowfall

Months with snowfall are January through March, October through December. In Lenoir City, in December, snow falls for 2.4 days, with typically accumulated 0.2" (5mm) of snow. Throughout the year, there are 13.1 snowfall days, and 1.38" (35mm) of snow is accumulated.

Daylight

December has the shortest days of the year, with an average of 9h and 48min of daylight.
On the first day of the month, sunrise is at 7:29 am and sunset at 5:23 pm. On the last day of December, sunrise is at 7:46 am and sunset at 5:33 pm EST.

Sunshine

In December, the average sunshine is 5.2h.

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 rays for average individuals.
Note: A typical high UV index of 2 in December suggests the following recommendations:
Children must always have sun protection, unlike most people, who can tolerate up to an hour in the sun without any burns. To protect against the Sun's most potent rays, avoid direct exposure around midday. Enhance your sun protection with tightly woven, yet airy clothing. Remember! The Sun's UV radiation can be magnified almost twofold by the reflection of snow.

Frequently asked questions

What are December temperatures?

The average high-temperature, in December, in Lenoir City, is 49.3°F (9.6°C), while the average low-temperature is 35.4°F (1.9°C). The average heat index (a.k.a. 'real feel', 'feels like'), which combines relative humidity and air temperature, in September is calculated to be 84.2°F (29°C).

What is the most humid month?

The months with the highest humidity are February and December, with an average relative humidity of 79%.

What is the average humidity in December?

The average relative humidity in December is 79%.

How many days does it rain in December?

In December, the rain falls for 8.8 days. Throughout December, 1.22" (31mm) of precipitation is accumulated.

How many days does it snow in December?

In Lenoir City, in December, during 2.4 snowfall days, 0.2" (5mm) of snow is typically accumulated.

What is the month with the shortest days?

The month with the shortest days is December, with an average of 9h and 48min of daylight.

What is the average length of the day in December?

In December, the average day length is 9h and 47min.

When is the sunrise / sunset in December in Lenoir City?

In December, on the first day of the month, sunrise is at 7:29 am and sunset at 5:23 pm. On the last day of the month, in Lenoir City, sunrise is at 7:46 am and sunset at 5:33 pm EST.

How long on average sun shines in December?

The average sunshine duration in December in Lenoir City is 5.2h.

What is the month with the lowest UV index?

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

How high is the UV index in December in Lenoir City?

The average daily maximum UV index in December is 2. A UV Index estimate of 2, and below, represents a minimal health vulnerability from 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
Lenoir City, TN

Average temperature in December - Lenoir City, TN
  • Average high temperature in December: 49.3°F

The warmest month (with the highest average high temperature) is July (87.4°F).
The month with the lowest average high temperature is January (44.8°F).

  • Average low temperature in December: 35.4°F

The month with the highest average low temperature is July (65.5°F).
The coldest month (with the lowest average low temperature) is January (30°F).

Average pressure in December
Lenoir City, TN

Average pressure in December - Lenoir City, TN
  • Average pressure in December: 30.14"Hg

The months with the highest atmospheric pressure are January and November (30.16"Hg).
The month with the lowest atmospheric pressure is June (29.98"Hg).

Average wind speed in December
Lenoir City, TN

Average wind speed in December - Lenoir City, TN
  • Average wind speed in December: 5.3mph

The windiest month (with the highest average wind speed) is April (6.1mph).
The calmest month (with the lowest average wind speed) is August (3.6mph).

Average humidity in December
Lenoir City, TN

Average humidity in December - Lenoir City, TN
  • Average humidity in December: 79%

The months with the highest relative humidity are February and December (79%).
The months with the lowest relative humidity are July and August (74%).

Average rainfall in December
Lenoir City, TN

Average rainfall in December - Lenoir City, TN
  • Average rainfall in December: 1.22"

The wettest month (with the highest rainfall) is February (1.3").
The driest month (with the least rainfall) is September (0.47").

Average rainfall days in December
Lenoir City, TN

Average rainfall days in December - Lenoir City, TN
  • Average rainfall days in December: 8.8 days

The month with the highest number of rainy days is July (12.7 days).
The month with the least rainy days is November (7.5 days).

Average snowfall in December
Lenoir City, TN

Average snowfall in December - Lenoir City, TN
  • Average snowfall in December: 0.2"

The month with the highest snowfall is February (0.51").
The months with the least snowfall are April, May, June, July, August and September (0").

Average snowfall days in December
Lenoir City, TN

Average snowfall days in December - Lenoir City, TN
  • Average snowfall days in December: 2.4 days

The months with the highest number of snowfall days are January and February (3.7 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
Lenoir City, TN

Average daylight in December / Average sunshine in December - Lenoir City, TN
  • Average daylight in December: 9h and 5min

The month with the longest days is June (Average daylight: 14h and 30min).
The month with the shortest days is December (Average daylight: 9h and 48min).

  • Average sunshine in December: 5h and 1min

The month with the most sunshine is June (Average sunshine: 10h and 42min).
The month with the least sunshine is January (Average sunshine: 5h and 6min).

Average sunshine days in December
Lenoir City, TN

Average sunshine days in December - Lenoir City, TN
  • Average sunshine days in December: 19.5 days

The month with the most sunshine days is October (21.5 days).
The months with the least sunshine days are February and July (15.9 days).

Average UV index in December
Lenoir City, TN

Average UV index in December - Lenoir City, 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
Lenoir City, TN

Average cloud cover in December - Lenoir City, TN
  • Average cloud cover in December: 47

The month with the most cloud cover is February (Cloud cover 51).
The months with the least cloud cover are June and August (Cloud cover 28).

Average visibility in December
Lenoir City, TN

Average visibility in December - Lenoir City, TN
  • Average visibility in December: 6mi

The months with the highest visibility are February, March, April, May, June, July, August, September, October, November and December (6mi).
The month with the lowest visibility is January (5mi).

Lenoir City, Tennessee, USA

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