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Average climate of Great Smoky Mountains National Park

The climate of Great Smoky Mountains National Park has an average yearly temperature of 22°C. Throughout the year, the average monthly temperature can drop to 9°C and rise to 30°C.

Annually, about 1047 mm of rain falls. This gives a good overview of how much rain to expect in Great Smoky Mountains National Park. Additionally, about 88 cm of snow falls each year.

The climate of Great Smoky Mountains National Park
  • Average yearly temperature: 22°C
  • Highest temperature: 30°C in July and August
  • Lowest temperature: 9°C in January
  • Precipitation: 1047 mm per year, averaging 87 mm per month
  • Driest months: 51 mm in September, 67 mm in October and 69 mm in November
  • Wettest months: 136 mm in February, 103 mm in December and 102 mm in August
  • Snowfall: 88 cm per year

Climate table Great Smoky Mountains National Park

The climate table for Great Smoky Mountains National Park shows the average temperatures, precipitation, snowfall, and UV index per month.

  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Daytime temperature (°C) 9 13 17 21 25 29 30 30 28 23 16 12
Nighttime temperature (°C) -1 2 5 8 14 18 20 20 17 10 3 2
Precipitation (mm) 79 136 91 86 90 82 91 102 51 67 69 103
Snowfall (cm) 36 21 11 0,5 0,1 0 0 0 0 1,2 7,3 11
UV Index 2 2 3 5 5 6 7 7 5 5 4 3

Temperature per month in Great Smoky Mountains National Park

This graph shows the average high temperatures in degrees Celsius for each month in Great Smoky Mountains National Park

Temperature per month in Great Smoky Mountains National Park

Precipitation per month in Great Smoky Mountains National Park

This graph shows the average monthly precipitation in millimeters in Great Smoky Mountains National Park.

Precipitation per month in Great Smoky Mountains National Park

Snowfall per month in Great Smoky Mountains National Park

This graph shows the average snowfall in centimeters per month in Great Smoky Mountains National Park.

Snowfall per month in Great Smoky Mountains National Park

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.

UV index per month in Great Smoky Mountains National Park

Yearly temperature in Great Smoky Mountains National Park

This graph shows the average yearly temperature in Great Smoky Mountains National Park, measured in degrees Celsius.

Yearly temperature in Great Smoky Mountains National Park

Yearly total precipitation in Great Smoky Mountains National Park

This graph shows the average yearly precipitation in millimeters in Great Smoky Mountains National Park.

Precipitation per year in Great Smoky Mountains National Park

Yearly snowfall in Great Smoky Mountains National Park

This graph shows the average yearly snowfall in Great Smoky Mountains National Park, measured in centimeters.

Snowfall per year in Great Smoky Mountains National Park

Weather experiences in Great Smoky Mountains National Park

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Average weather in Great Smoky Mountains National Park per month

Click on a month below to see in detail how the weather typically is in Great Smoky Mountains National Park and what to expect. Based on the historical weather data of Great Smoky Mountains National Park, you can view the average temperature, precipitation, wind, and UV index for each day of the month.