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United StatesThe weather in December in Great Smoky Mountains National Park
It's cool in December in Great Smoky Mountains National Park with an average temperature of 12°C. Temperatures this month range from a low of 10°C to a high of 15°C. At night, you can expect temperatures between -2°C and 5°C.
Looking for sun? December isn’t a good month to be in Great Smoky Mountains National Park. There’s too much chance of rain this month.
Average temperatures and precipitation
This chart shows the average daily maximum and minimum temperatures (in degrees Celsius) and precipitation (in millimeters) in December for Great Smoky Mountains National Park, Tennessee. A low precipitation value usually indicates little to no rainfall on that day in recent years, while a higher value suggests more frequent rainfall.
Temperature records
With 23°C in 2021, Great Smoky Mountains National Park reached the highest temperature in December over the past 10 years. The lowest daytime temperature in this month was -5°C in 2022. The extreme nighttime temperatures ranged from a lowest recorded value of -17°C to a highest value of 16°C.
Precipitation and snowfall
In December, there is an average of 104 mm of precipitation, spread over 13 days. Of the total precipitation, about 9,3 cm falls as snow in December. The wind speed is around 3 Bft, mostly coming from the Southwest.
Daily weather in December for Great Smoky Mountains National Park
Click on any day in December to get detailed info about the usual weather on that day in Great Smoky Mountains National Park. Check out the historical temperatures and precipitation over the past 10 years on this day.
December weather comparison
| Great Smoky Mountains National Park | New York | |
|---|---|---|
| Average temperature | 12°C | 9°C |
| Max. temperature | 15°C | 12°C |
| Min. temperature | -2°C | -5°C |
| Total precipitation | 104 mm | 133 mm |
| Rainy days | 13 days | 17 days |
| Total snowfall | 9,3 cm | 9,7 cm |
| Snowy days | 5 days | 3 days |
Start of December
The month of December starts in Great Smoky Mountains National Park with cool temps, averaging around 13°C during the day and nights around 3°C.
Mid December
By mid-December, daytime temps drop to around 12°C, with nights around 1°C. There’s a chance of some showers during this time, but plenty of dry and sunny days too.
End of December
By the end of December, the average daytime temperature in Great Smoky Mountains National Park is around 13°C, while nighttime temps are about 3°C. Expect regular precipitation, but if you’re lucky, you’ll also get some dry and sunny days.
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UV index
The UV index is a maximum of 3 this month. That's a moderate value on the intensity scale of 1 to 11. Unprotected skin can burn in about 30 minutes.
Temperature charts
These charts show the average temperatures in December in Great Smoky Mountains National Park, Tennessee. The temperatures are shown in degrees Celsius and are calculated based on data from the past 10 years.
Daily Temperature in December in Great Smoky Mountains National Park
Temperature in December in Great Smoky Mountains National Park over the years
Precipitation charts
These charts show the average amount of precipitation in December in Great Smoky Mountains National Park, Tennessee. Precipitation is always measured as water, even when it falls as snow or hail The amount of precipitation is displayed in millimeters, while snowfall is shown in centimeters.
Daily Precipitation in December in Great Smoky Mountains National Park
Total precipitation in December in Great Smoky Mountains National Park over the years
Daily Snowfall in December in Great Smoky Mountains National Park
Snowfall in December in Great Smoky Mountains National Park per year
Daily UV index in December in Great Smoky Mountains National Park
This chart shows the average daily UV index in December in Great Smoky Mountains National Park, with the UV index ranging from 0 to a maximum of 11. The bottom of the chart shows the days of the month. Based on historical data, this chart provides an idea of the daily UV radiation levels you can expect.
Weather experiences in December in Great Smoky Mountains National Park
Have you been to Great Smoky Mountains National Park in December?
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Average weather in Great Smoky Mountains National Park by month
Click on a month below to see detailed weather info for Great Smoky Mountains National Park. Based on historical weather data, you can see the average temperature, precipitation, wind, and UV index for each day of the month.