United StatesWhat’s the climate like in 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.
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.
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.
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.
- Average yearly temperature: 22°C
- Highest temperature: 30°C in July and August
- Lowest temperature: 9°C in January
- Precipitation*: 1058 mm per year, averaging 88 mm per month
- Snowfall: 79 cm per year
- Driest months: 51 mm in September, 67 mm in October and 70 mm in November
- Wettest months: 137 mm in February, 105 mm in August and 104 mm in December
*Precipitation is measured as a combination of rain, snow, and hail
Weather experiences in Great Smoky Mountains National Park
Average Temperature per Month in Great Smoky Mountains National Park
This graph shows the average maximum temperatures per month in Great Smoky Mountains National Park, Tennessee. The temperatures are shown in degrees Celsius and the average is calculated based on the recorded temperatures per month from past years.
Average Precipitation per Month in Great Smoky Mountains National Park
This graph shows how much rainfall Great Smoky Mountains National Park, Tennessee, gets on average per month. Rainfall is always measured as water, even if it's snow or hail. This makes it easy to compare how much has fallen, regardless of the form of precipitation. The amount of rainfall is measured in millimeters, and the average is calculated based on the recorded rainfall per month from past years.
Average Snowfall per Month in Great Smoky Mountains National Park
This graph shows how much snow Great Smoky Mountains National Park, Tennessee, gets on average per month. The amount of snowfall is measured in centimeters and the average is calculated based on the recorded snowfall per month from past years.
Average UV Index per Month in Great Smoky Mountains National Park
This graph 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.
Yearly Temperature in Great Smoky Mountains National Park
This graph shows the average yearly temperature in Great Smoky Mountains National Park, Tennessee. The yearly temperature, expressed in degrees Celsius, is the average of all twelve monthly temperatures summed up for that year.
Total Yearly Precipitation in Great Smoky Mountains National Park
This chart shows the total yearly precipitation in Great Smoky Mountains National Park, Tennessee, over the past few years. The total yearly precipitation, measured in millimeters, is the sum of all the rain that fell in the twelve months of that year.
Total Yearly Snowfall in Great Smoky Mountains National Park
This chart shows the total yearly snowfall in Great Smoky Mountains National Park, Tennessee, over the past few years. The total yearly snowfall, measured in centimeters, is the sum of all the snow that fell in the twelve months of that year.
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.
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Sunny moments alternate with heavy rain. However, the breathtaking and lush nature is worth the effort. Bring a raincoat!— This text is automatically translated to English
It was warm, but not unbearably hot, with an average temperature of 28 degrees. However, there were some unexpected rain showers, so be prepared.— This text is automatically translated to English
The fall colors were beautiful and the temperatures were mild. Sometimes there was fog. Great time to visit!— This text is automatically translated to English
Some 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!— This text is automatically translated to English
Winter shoes and warm clothing are required. Be prepared for possible road closures due to weather conditions.— This text is automatically translated to English
It 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.— This text is automatically translated to English
The temperature was moderate, ideal for hiking. It doesn't rain much, but be prepared for cold nights!— This text is automatically translated to English
There were some colder days, but many were sunny and mild. The thick morning fog gave the mountains breathtaking views. A package for all occasions.— This text is automatically translated to English
It 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.— This text is automatically translated to English
The afternoon shower refreshed the atmosphere. It was pleasantly cold in the evening.— This text is automatically translated to English
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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.
