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United StatesThe climate of Great Smoky Mountains National Park
The current climate in Great Smoky Mountains National Park features temperatures ranging from a high of 30°C to a low of 9°C throughout the year. The average yearly temperature is around 22°C. At night, temperatures in the colder months average around -1°C and in the warmer months around 19°C.
Average temperatures and precipitation
This chart shows the average monthly maximum and minimum temperatures (in degrees Celsius) and average monthly rainfall (in millimeters) for Great Smoky Mountains National Park, Tennessee.
Temperature records
The highest temperature recorded in Great Smoky Mountains National Park in recent years was 35°C in July 2017. The lowest daytime temperature recorded was -10°C in February 2015.
Precipitation and snowfall
On average, Great Smoky Mountains National Park gets 1058 mm of precipitation each year. Of this, about 79 cm is snowfall. For comparison, New York gets 1142 mm of precipitation each year.
Best time to visit Great Smoky Mountains National Park?
The best time to visit Great Smoky Mountains National Park for sunny weather is April through October. During this period, you'll have nice temperatures and not too much rain, making it a great time to visit Great Smoky Mountains National Park. In the other months of the year, there's too much rain or the temperature isn't ideal for a visit if you want sunny and pleasant weather.
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Climate Table of Great Smoky Mountains National Park
The climate table of Great Smoky Mountains National Park shows the average temperatures, rainfall, snow, and UV index per month. The table provides an overview of the average day and night temperatures in degrees Celsius, the total amount of rainfall in millimeters, the total snowfall in centimeters, and the UV index for each month. Rainfall is always measured as water, even if it's snow or hail.
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
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| Temp. max (°C) | 9 | 13 | 17 | 21 | 25 | 29 | 30 | 30 | 28 | 23 | 16 | 12 |
| Temp. min (°C) | -1 | 2 | 5 | 8 | 13 | 17 | 20 | 20 | 16 | 10 | 3 | 2 |
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| Precipitation (mm) | 80 | 137 | 91 | 86 | 92 | 83 | 92 | 105 | 51 | 67 | 70 | 104 |
| Snow (cm) | 33 | 21 | 9,0 | 0,3 | 0,1 | 0 | 0 | 0 | 0 | 1,0 | 5,8 | 9,2 |
| UV Index | 2 | 2 | 3 | 5 | 5 | 6 | 7 | 7 | 6 | 5 | 4 | 2 |
Click on the month name to see more weather details, like daily averages, temperatures, and precipitation for the past years in that month.
Temperature charts
These charts display the average temperatures 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.
Average Temperature per Month in Great Smoky Mountains National Park
Yearly Temperature in Great Smoky Mountains National Park
Precipitation charts
These charts show the average amount of precipitation 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.
Average Precipitation per Month in Great Smoky Mountains National Park
Total Yearly Precipitation in Great Smoky Mountains National Park
Average Snowfall per Month in Great Smoky Mountains National Park
Total Yearly Snowfall in Great Smoky Mountains National Park
UV index chart
This chart shows the average UV index per month in Great Smoky Mountains National Park, Tennessee. The UV index indicates the intensity of ultraviolet radiation and ranges from 0 to a maximum of 11.
Average UV Index per Month in Great Smoky Mountains National Park
Weather experiences in Great Smoky Mountains National Park
The weather in Great Smoky Mountains National Park is rated an average of 3,7 out of 5 stars by 10 visitors. Have you been to Great Smoky Mountains National Park? Share your weather experience to help other visitors.
Elske
Sunny moments alternate with heavy rain. However, the breathtaking and lush nature is worth the effort. Bring a raincoat!
YaraIt was warm, but not unbearably hot, with an average temperature of 28 degrees. However, there were some unexpected rain showers, so be prepared.
LammertThe fall colors were beautiful and the temperatures were mild. Sometimes there was fog. Great time to visit!
SophieSome days were pleasantly cool and ideal for hiking, but there were also periods of icy conditions where snow and slippery conditions made trail access difficult. Pack wisely and be prepared for anything!
RensWinter shoes and warm clothing are required. Be prepared for possible road closures due to weather conditions.
Marloes JongelingIt was a lovely warm day with an average temperature of 24 degrees. A few showers did fall, but they were brief and refreshing. The humidity was quite high.
JelleThe temperature was moderate, ideal for hiking. It doesn't rain much, but be prepared for cold nights!
SofieThere were some colder days, but many were sunny and mild. The thick morning fog gave the mountains breathtaking views. A package for all occasions.
FinnIt was a sunny and warm day, but there was a refreshing breeze. By evening, it became considerably colder. A few showers fell, but that didn't stop us from being distracted.
IsaakThe afternoon shower refreshed the atmosphere. It was pleasantly cold in the evening.
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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.