December weather forecastSevierville, TN
December
Weather in December
December in Sevierville is characterized by winter chills, holiday vibes, and festive spirits. The month sees a further increase in rainfall to 2.95" (75mm), the highest precipitation compared to the rest of the year. It's a winter wonderland with the entire city beautifully lit up and vibrant with the holiday celebrations. Donning a warm coat is advisable while stepping outdoors. The New Year is typically ushered in amidst near-freezing temperatures, preparing the city for yet another cycle of diverse weather.Temperature
As December commences, the average high-temperature subtly reduces, transitioning from a mild 56.7°F (13.7°C) in November to a frosty 49.1°F (9.5°C). An average temperature of 34.5°F (1.4°C) marks the nights in December.Humidity
The months with the highest humidity are February and December, with an average relative humidity of 79%.Rainfall
In December, the rain falls for 12.5 days. Throughout December, 2.95" (75mm) of precipitation is accumulated. Throughout the year, there are 170 rainfall days, and 28.43" (722mm) of precipitation is accumulated.Snowfall
Months with snowfall are January through April, October through December. In December, it is snowing for 3 days. Throughout December, 0.87" (22mm) of snow is accumulated. Throughout the year, there are 17.1 snowfall days, and 5.24" (133mm) 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 December, sunrise is at 7:26 am and sunset at 5:20 pm. On the last day of the month, sunrise is at 7:44 am and sunset at 5:30 pm EST.
Sunshine
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. A UV Index value of 2, and less, symbolizes a low health risk from unsafe exposure to UV radiation for average individuals.Note: A daily high UV index of 2 in December leads to these guidelines:
In contrast to children, who must always be shielded from the sun, most people can tolerate up to an hour of sun exposure without any burns. Solar radiation is at its peak intensity during midday, so it's advisable to stay indoors or in the shade. For excellent sun protection for the eyes, ears, face, and neck, consider a wide-brim hat. Be prepared! The intensity of the Sun's UV radiation can be amplified nearly double due to snow reflection.
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Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Sevierville, TN
- Average high temperature in December: 49.1°F
The warmest month (with the highest average high temperature) is July (85.8°F).
The month with the lowest average high temperature is January (44.8°F).
- Average low temperature in December: 34.5°F
The month with the highest average low temperature is July (63.3°F).
The coldest month (with the lowest average low temperature) is January (28.8°F).
Average pressure in December
Sevierville, 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 (29.99"Hg).
Average wind speed in December
Sevierville, TN
- Average wind speed in December: 5mph
The windiest month (with the highest average wind speed) is April (5.8mph).
The calmest month (with the lowest average wind speed) is August (3.5mph).
Average humidity in December
Sevierville, TN
- Average humidity in December: 79%
The months with the highest relative humidity are February and December (79%).
The month with the lowest relative humidity is August (73%).
Average rainfall in December
Sevierville, TN
- Average rainfall in December: 2.95"
The wettest month (with the highest rainfall) is February (3.43").
The driest month (with the least rainfall) is September (1.57").
Average rainfall days in December
Sevierville, TN
- Average rainfall days in December: 12.5 days
The month with the highest number of rainy days is July (18.9 days).
The month with the least rainy days is November (9.7 days).
Average snowfall in December
Sevierville, TN
- Average snowfall in December: 0.87"
The month with the highest snowfall is February (1.81").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days in December
Sevierville, TN
- Average snowfall days in December: 3 days
The months with the highest number of snowfall days are January and February (4.8 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
Sevierville, TN
- Average daylight in December: 9h and 48min
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 48min).
- Average sunshine in December: 5h and 30min
The month with the most sunshine is June (Average sunshine: 10h and 54min).
The month with the least sunshine is January (Average sunshine: 5h and 18min).
Average sunshine days in December
Sevierville, TN
- Average sunshine days in December: 15.5 days
The month with the most sunshine days is November (19.5 days).
The month with the least sunshine days is July (9.3 days).
Average UV index in December
Sevierville, 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
Sevierville, TN
- Average cloud cover in December: 45
The month with the most cloud cover is February (Cloud cover 49).
The month with the least cloud cover is June (Cloud cover 27).
Average visibility in December
Sevierville, TN
- Average visibility in December: 6mi
The months with the highest visibility are April, May, June, July, August, September, October, November and December (6mi).
The months with the lowest visibility are January, February and March (5mi).





