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Great Smoky Mountains National Park weather in December (United States of America)

Curious about the climate in Great Smoky Mountains National Park this December? Find out what kind of weather to expect during this month.

Temperatures

Typically, December in Great Smoky Mountains National Park includes low temperatures and heavy snow/rainfall. The winter season is characteristic of December. Daytime temperatures generally settle around 9°C, while nighttime can see a dip to about -2°C.

Precipitation

Great Smoky Mountains National Park in December usually receives heavy snow/rainfall, averaging around 203 mm for the month. Climate data suggests that about 16 days will experience snow/rainfall.

Average sunshine

The area enjoys a balanced 125 hours of sunlight, ensuring it's neither too overcast nor too sunny.

If you prefer dry days with pleasant temperatures, December may not be the ideal month to visit Great Smoky Mountains National Park. May, June, August and September typically offer the most optimal weather. In contrast, January, February, March, November and December tend to have less optimal conditions.

For an in-depth look at the yearly conditions, visit our specialized Great Smoky Mountains National Park climate page with graphs.

 

Great Smoky Mountains National Park, monthly averages in December

Min TemperatureMin Temperature -2°C  
Max TemperatureMax Temperature 9°C  
Chance of RainChance of Rain 52%  
PrecipitationPrecipitation 203 mm  
Rainy daysRainy days 16 days  
HumidityHumidity 73% *  
SunshineSunshine 125 hours *  
Percentage SunshinePercentage Sunshine 40% *  
* Data from: Knoxville, the United States of America (54 KM, 34 Miles).

Where to go in the United States of America in December

Find out more about the weather in the United States of America and which places have the best travel conditions in this month.

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Legend perfect weather pleasant tolerable unpleasant poor
Perfect weather is subjective. On this map perfect weather has been defined with temperatures between 20°C and 29°C and not too much precipitation (less than 90 mm a month).

So, what should you wear in this month?

Wear a base layer in cold weather; this is the #1 thing you can do to increase your overall body temperature.

What To Do

We rated the following activities from 1 (least suitable) to 10 (best) to do.

Swimming
5/10
Cycling
4/10
Walking
4/10
Camping
1/10
Outdoor sports
4/10

Interested in more climate information?

This site provides you with all the information you need about the climate in Great Smoky Mountains National Park.

Our site offers climate and forecast data for every country in the world. Are you going to the United States of America? On this website you can find historical weather averages for many cities in the United States of America. Not sure yet where to go? We now have a tool which recommends destinations that suit your ideal travel conditions. Find out where to go with our weather planner.