December Weather forecast - Winter forecast

Weather in December
Frequently asked questions
Average temperature in December
Average pressure in December
Average wind speed in December
Average humidity in December
Average rainfall in December
Average rainfall days in December
Average snowfall in December
Average snowfall days in December
Average daylight in December
Average sunshine in December
Average sunshine days in December
Average UV index in December
Average cloud cover in December
Average visibility in December

The city of Gatlinburg, Tennessee, with bright night neon lights, with scenic fall foliage seen on the nearby hills

Weather in December

December, the first month of the winter in Gatlinburg, is still a chilly month, with an average temperature varying between 33.6°F (0.9°C) and 48.2°F (9°C).

Temperature

In December, the average high-temperature slightly decreases from a moderate 55.6°F (13.1°C) in November to a chilly 48.2°F (9°C). In Gatlinburg, in December, the average low-temperature is 33.6°F (0.9°C).

Humidity

The months with the highest humidity are February and December, with an average relative humidity of 80%.

Rainfall

In Gatlinburg, during December, the rain falls for 13.9 days and regularly aggregates up to 3.9" (99mm) of precipitation. In Gatlinburg, during the entire year, the rain falls for 196.8 days and collects up to 39.72" (1009mm) of precipitation.

Snowfall

Months with snowfall are January through April, October through December. In December, in Gatlinburg, it is snowing for 4.6 days. Throughout December, 2.95" (75mm) of snow is accumulated. Throughout the year, in Gatlinburg, there are 26.2 snowfall days, and 11.42" (290mm) of snow is accumulated.

Daylight

With an average of 9h and 47min of daylight, December has the shortest days of the year in Gatlinburg.
On the first day of the month, sunrise is at 7:25 am and sunset at 5:20 pm. On the last day of December, in Gatlinburg, sunrise is at 7:43 am and sunset at 5:30 pm EST.

Sunshine

In December, the average sunshine in Gatlinburg is 5.5h.

UV index

January, February and December, with an average maximum UV index of 2, are months with the lowest UV index. A UV Index reading of 2, and below, represents a minimal health hazard from exposure to the Sun's UV rays for the ordinary person.
Note: In December, the average maximum UV index of 2 translate into the following recommendations:
Extended sun exposure is not an issue for the majority. Children, infants, and fair-skinned individuals always need to be protected. The Sun's most intense and consequently most harmful UV radiation during midday hours should be decreased by minimizing exposure and seeking shade. Sun-protective clothing, a long-sleeved shirt and pants, a wide-brimmed hat, and UVA and UVB-blocking sunglasses are particularly helpful in blocking UV radiation's harmful effects. Beware! The strength of the UV rays is increased nearly double-fold by the reflection of the snow.

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FAQ

What is the temperature in December in Gatlinburg?

In Gatlinburg, in December, the average high-temperature is 48.2°F (9°C), and the average low-temperature is 33.6°F (0.9°C). The average heat index (a.k.a. 'real feel', 'felt air temperature'), which factors the actual air temperature with the relative humidity, in August is evaluated at 89.6°F (32°C).

What is the most humid month in Gatlinburg?

The months with the highest humidity in Gatlinburg are February and December, with an average relative humidity of 80%.

What is the average humidity in December in Gatlinburg?

In Gatlinburg, the average relative humidity in December is 80%.

How much does it rain in Gatlinburg in December?

In Gatlinburg, in December, it is raining for 13.9 days, with typically 3.9" (99mm) of accumulated precipitation.

How many days does it snow in December in Gatlinburg?

In December, in Gatlinburg, Tennessee, it is snowing for 4.6 days. Throughout December, 2.95" (75mm) of snow is accumulated.

What is the month with the shortest days in Gatlinburg?

The month with the shortest days is December, with an average of 9h and 47min of daylight.

What is the average length of the day in December in Gatlinburg?

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

What time are sunrise and sunset in December in Gatlinburg?

In December, on the first day of the month, sunrise is at 7:25 am and sunset at 5:20 pm. On the last day of the month, in Gatlinburg, sunrise is at 7:43 am and sunset at 5:30 pm EST.

How many hours of sunshine does Gatlinburg have in December?

The average sunshine duration in December in Gatlinburg, Tennessee, is 5.5h.

When is the lowest UV index in Gatlinburg?

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

What is the UV index intensity in December in Gatlinburg?

The average daily maximum UV index in December in Gatlinburg, Tennessee, is 2. A UV Index of 2, and less, symbolizes a low health threat from exposure to the Sun's UV radiation.

Today

Tomorrow

Long-term

Year J F M A M J J A S O N December

Nov

December

Jan

Average high temperature

55.6°F 13.1°C

48.2°F 9°C

43.3°F 6.3°C

Average low temperature

Average pressure

Average wind speed

Average max. wind speed

5mph 8km/h

5.5mph 8.9km/h

6mph 9.7km/h

Average wind speed gusts

Average humidity

Average rainfall

Average rainfall days

Average snowfall

Average snowfall days

Average daylight

Average sunshine

Average sunshine days

15.8

12.5

11.7

Average UV index

Average cloud cover

Average visibility

Average temperature in December
Gatlinburg, TN

Average high temperature in December: 48.2°F

The warmest month (with the highest average high temperature) is July (83.7°F).
The month with the lowest average high temperature is January (43.3°F).

Average low temperature in December: 33.6°F

The month with the highest average low temperature is July (60.8°F).
The coldest month (with the lowest average low temperature) is January (27.5°F).

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Average pressure in December
Gatlinburg, TN

Average pressure in December: 30.14"Hg

The months with the highest atmospheric pressure are January and November (30.15"Hg).
The month with the lowest atmospheric pressure is June (29.99"Hg).

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Average wind speed in December
Gatlinburg, TN

Average wind speed in December: 5mph

The windiest month (with the highest average wind speed) is April (5.7mph).
The calmest month (with the lowest average wind speed) is August (3.5mph).

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Average humidity in December
Gatlinburg, TN

Average humidity in December: 80%

The months with the highest relative humidity are February and December (80%).
The months with the lowest relative humidity are June, July, August and November (76%).

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Average rainfall in December
Gatlinburg, TN

Average rainfall in December: 3.9"

The wettest month (with the highest rainfall) is July (4.37").
The driest month (with the least rainfall) is September (2.44").

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Average rainfall days in December
Gatlinburg, TN

Average rainfall days in December: 13.9 days

The month with the highest number of rainy days is July (21.6 days).
The month with the least rainy days is November (11.9 days).

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Average snowfall in December
Gatlinburg, TN

Average snowfall in December: 2.95"

The month with the highest snowfall is February (3.35").
The months with the least snowfall are May, June, July, August and September (0").

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Average snowfall days in December
Gatlinburg, TN

Average snowfall days in December: 4.6 days

The month with the highest number of snowfall days is January (7.7 days).
The months with the least snowfall days are June, July, August and September (0 days).

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

Average daylight in December: 9h and 47min

The month with the longest days is June (Average daylight: 14h and 32min).
The month with the shortest days is December (Average daylight: 9h and 47min).

Average sunshine in December: 5h and 30min

The month with the most sunshine is June (Average sunshine: 10h and 36min).
The month with the least sunshine is January (Average sunshine: 5h and 18min).

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Average sunshine days in December
Gatlinburg, TN

Average sunshine days in December: 12.5 days

The month with the most sunshine days is October (16.7 days).
The month with the least sunshine days is July (6.8 days).

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Average UV index in December
Gatlinburg, 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).

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Average cloud cover in December
Gatlinburg, TN

Average cloud cover in December: 45

The month with the most cloud cover is February (Cloud cover 50).
The month with the least cloud cover is June (Cloud cover 30).

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Average visibility in December
Gatlinburg, TN

Average visibility in December: 5mi

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

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December weather forecast
Gatlinburg, TN

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