Great Smoky Mountains weather in December 2025
December
Great Smoky Mountains weather in December 2025
December
Day
9 °C
Night
-2 °C
Precipitation
121 mm
in month
Rainy days
11 days
in month
Daylight
10 hours
average
Sunshine
5 hours
average
Humidity
73 %
Day
9 °C
Night
-2 °C
Precipitation
121 mm
in month
Rainy days
11 days
in month
Daylight
10 hours
average
Sunshine
5 hours
average
Humidity
73 %
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Destinations in Great Smoky Mountains
North America
Nature
Beech Mountain
December
7 °CRainy days
12 /month
November
12 °CDecember
7 °CJanuary
6 °C
North America
Nature
Sugar Mountain
December
7 °CRainy days
12 /month
November
12 °CDecember
7 °CJanuary
5 °C
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Weather overview and FAQs
Weather overview
In Great Smoky Mountains in December, the average air temperature ranges from 9 °C (49 °F) during the day to -2 °C (28 °F) at night. There are 11 days of rain on average, where the rainfall is 121 mm (4.77 in).
Are there good conditions to visit in Great Smoky Mountains in December?
In December there are not good conditions to visit Great Smoky Mountains. Since Great Smoky Mountains is a region with winter sports possibilities, then December can be suitable to visit for this purpose. A relatively low temperature of 9 °C (49 °F) may be ideal for walking or outdoor activities, but some people may have a different idea of the holiday. The night temperature of -2 °C (28 °F) is not inviting for evening and night activities except for visiting a bar and having beer or two.
How many days of precipitation on average can I expect in Great Smoky Mountains in December?
In Great Smoky Mountains in December, we can expect 11 days to be rainy, that is, days when precipitation exceeds 2 mm (0.08 in). Converted to days of the week, this means that it will occur on an average of 2.6 days of the week, or in general - 37 % days.
What is the temperature in Great Smoky Mountains during the day in December?
The average daily temperature in Great Smoky Mountains in December is 9 °C (49 °F). Be sure to pack warm clothes, including a jacket and a warm sweater. On some days it may occasionally freeze, but with stronger winds, the feeling of cold may increase.
What is the rainfall intensity in Great Smoky Mountains in December?
There is precipitation of 121 mm (4.77 in) in Great Smoky Mountains in December, which means 4 mm (0.16 in) rainfall per day on average.
How many sunny hours can I expect in Great Smoky Mountains in December?
There is an average length of sunshine of 5 hours per day in December in Great Smoky Mountains.
How windy is it in December in Great Smoky Mountains?
In December in Great Smoky Mountains, there will be an average wind scale of 3.
Can I expect a freeze in December in Great Smoky Mountains?
It is possible that it will be freezing in December in Great Smoky Mountains, night temperatures will be -2 °C (28 °F) on average.
Is there a wet season in December in Great Smoky Mountains?
No, there is no wet season in December in Great Smoky Mountains - you can expect 11 days of rain during the month.
Is there a dry season in December in Great Smoky Mountains?
No, December is not a dry month in Great Smoky Mountains, expect rain approximately 11 days in a month.
How long is the day (from dawn till dusk) in Great Smoky Mountains in December?
The length of daylight in December in Great Smoky Mountains is 10 hours.
What level of humidity is to expect in Great Smoky Mountains in December?
In Great Smoky Mountains in December, expect humidity around 73 %.
Is Great Smoky Mountains rainier in December than in November?
Yes, in December in Great Smoky Mountains it rains more than in November.
What is the temperature trend in December in Great Smoky Mountains?
During December in Great Smoky Mountains, the day temperatures are decreasing - from 12 °C (54 °F) at the beginning of the month to 9 °C (48 °F) at the end of the month.
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