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

How is the weather in Great Smoky Mountains National Park in December? Wondering if it's the right time to visit? Browse this page for a comprehensive overview of the weather conditions for that month.

In December, Great Smoky Mountains National Park generally has low temperatures and heavy snow/rainfall. December is a winter month. Throughout the day, temperatures typically settle at around 9°C. But by evening, they drop to around -2°C.

Great Smoky Mountains National Park in December usually receives heavy snow/rainfall, averaging around 203 mm for the month. Based on our climate data of the past 30 years, about 16 days of snow/rain are anticipated.

The area experiences a moderate amount of sunshine, with approximately 125 hours of sunlight expected. This makes it neither too gloomy nor overly bright.

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 in December and which places have the best weather 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 Great Smoky Mountains National Park in December?

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 in December.

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

Interested in more climate information?

Weather and Climate 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 climate conditions. Find out where to go with our weather planner.