December weather forecastGatlinburg, TN
December
Weather in December
With the average maximum temperature falling to 48.2°F (9°C), December brings the chilly winter gales to Gatlinburg once again. This month marks the return of snowflakes that dust the cityscape, creating a winter wonderland. The holiday decorations add to the city’s charm in this chilly weather. Be it relishing the winter landscape or enjoying the festive ambience, Gatlinburg in December offers a delightful experience. Dense snowfall towards the end of the month adds to the aesthetics, wrapping the city in a crystalline quilt.Temperature
In the transition to December, Gatlinburg observes a minor drop in the average high-temperature, shifting from a moderate 55.6°F (13.1°C) in November to a frosty 48.2°F (9°C). The low-temperature average for Gatlinburg during December stands at a cold 33.6°F (0.9°C).Humidity
February and December, with an average relative humidity of 80%, are the most humid months.Rainfall
In Gatlinburg, in December, during 13.9 rainfall days, 3.9" (99mm) of precipitation is typically accumulated. 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 in Gatlinburg are January through April, October through December. In Gatlinburg, Tennessee, in December, snow falls for 4.6 days, with typically accumulated 2.95" (75mm) of snow. In Gatlinburg, during the entire year, snow falls for 26.2 days and aggregates up to 11.42" (290mm) of snow.Daylight
With an average of 9h and 48min of daylight, December has the shortest days of the year.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, sunrise is at 7:43 am and sunset at 5:31 pm EST.
Sunshine
In Gatlinburg, the average sunshine in December is 5.5h.UV index
January, February and December, with an average maximum UV index of 2, are months with the lowest UV index in Gatlinburg. A UV Index value of 2, and less, symbolizes a minimal health vulnerability from unsafe exposure to UV radiation for the average person.Note: The average daily UV index of 2 in December transforms into the following instructions:
Children necessitate constant protection from sunlight, unlike the majority, who can remain under the sun for about an hour without burning. The midday Sun can be dangerous due to its intense radiation; always find shade and reduce exposure. Fend off the sun's harsh rays with appropriate clothing, a wide-brim hat, and UV-protective sunglasses. Attention! Nearly twice the Sun's UV radiation can be reflected by snow.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
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).
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).
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).
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%).
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").
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).
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").
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).
Average daylight in December /
Average sunshine in December
Gatlinburg, TN
- Average daylight in December: 9h and 48min
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 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).
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).
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).
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).
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).
