Great Smoky Mountains National Park
Tennessee, USA
Long-term weather forecast
Long-term weather forecast

Monthly weather forecast and climate
Great Smoky Mountains National Park, TN

It is a breathtaking view of the Great Smoky Mountains National Park in Tennessee, as the fall beauty felt under the colorful sunrise sky above
It is a breathtaking view of the Great Smoky Mountains National Park in Tennessee, as the fall beauty felt under the colorful sunrise sky above
January, like December, in Great Smoky Mountains National Park, Tennessee, is another cold winter month, with average temperature varying between 37°F (2.8°C) and 19.9°F (-6.7°C). With an average high-temperature of 37°F (2.8°C) and an average low-temperature of 19.9°F (-6.7°C), January is the coldest month. Weather in January »

The last month of the winter, February, is another cold month in Great Smoky Mountains National Park, Tennessee, with average temperature varying between 21.9°F (-5.6°C) and 39.9°F (4.4°C). In February, the average high-temperature is practically the same as in January - a still cold 39.9°F (4.4°C). Weather in February »

The first month of the spring, March, is a chilly month in Great Smoky Mountains National Park, Tennessee, with average temperature fluctuating between 46.9°F (8.3°C) and 28°F (-2.2°C). In March, the average high-temperature marginally rises, from a wintry 39.9°F (4.4°C) in February, to a chilly 46.9°F (8.3°C). Weather in March »

April is a moderate spring month in Great Smoky Mountains National Park, Tennessee, with temperature in the range of an average low of 37°F (2.8°C) and an average high of 57°F (13.9°C). In Great Smoky Mountains National Park, the average high-temperature rises, from a chilly 46.9°F (8.3°C) in March, to a moderate 57°F (13.9°C). Weather in April »

May, the last month of the spring, in Great Smoky Mountains National Park, is an enjoyable month, with temperature in the range of an average low of 45°F (7.2°C) and an average high of 64°F (17.8°C). In May, the average high-temperature marginally rises, from a mild 57°F (13.9°C) in April, to an enjoyable 64°F (17.8°C). Weather in May »

The first month of the summer, June, is an agreeable month in Great Smoky Mountains National Park, Tennessee, with average temperature fluctuating between 69.1°F (20.6°C) and 52°F (11.1°C). In Great Smoky Mountains National Park, the average high-temperature is relatively the same as in May - a pleasant 69.1°F (20.6°C). Weather in June »

July, the same as June, in Great Smoky Mountains National Park, Tennessee, is another pleasant summer month, with average temperature ranging between max 71.1°F (21.7°C) and min 55°F (12.8°C). The warmest month is July, with an average high-temperature of 71.1°F (21.7°C) and an average low-temperature of 55°F (12.8°C). Weather in July »

August, the last month of the summer, in Great Smoky Mountains National Park, is also an agreeable month, with average temperature ranging between max 70°F (21.1°C) and min 55°F (12.8°C). In August, the average high-temperature is practically the same as in July - a still pleasant 70°F (21.1°C). Weather in August »

The first month of the autumn, September, is still a comfortable month in Great Smoky Mountains National Park, Tennessee, with temperature in the range of an average high of 64.9°F (18.3°C) and an average low of 50°F (10°C). Weather in September »

October, like September, is a moderate autumn month in Great Smoky Mountains National Park, Tennessee, with temperature in the range of an average high of 57°F (13.9°C) and an average low of 39.9°F (4.4°C). In October, the average high-temperature slightly decreases, from an enjoyable 64.9°F (18.3°C) in September, to a mild 57°F (13.9°C). Weather in October »

November, the last month of the autumn, in Great Smoky Mountains National Park, is also a frosty month, with temperature in the range of an average high of 48°F (8.9°C) and an average low of 30°F (-1.1°C). In Great Smoky Mountains National Park, Tennessee, the average high-temperature drops, from a moderate 57°F (13.9°C) in October, to a frosty 48°F (8.9°C). Weather in November »

The first month of the winter, December, is also a wintry month in Great Smoky Mountains National Park, Tennessee, with average temperature fluctuating between 25°F (-3.9°C) and 41°F (5°C). In Great Smoky Mountains National Park, the average high-temperature in December marginally drops, from a frosty 48°F (8.9°C) in November, to a cold 41°F (5°C). Weather in December »

What is the coldest month in Great Smoky Mountains National Park?

The coldest month in Great Smoky Mountains National Park is January, with an average high-temperature of 37°F (2.8°C) and an average low-temperature of 19.9°F (-6.7°C).

How much does it rain in Great Smoky Mountains National Park?

Throughout the year, there are 123 rainfall days, and 72.12" (1831.9mm) of precipitation is accumulated.

When does it snow in Great Smoky Mountains National Park?

January through May, October through December are months with snowfall in Great Smoky Mountains National Park.

How many days does it snow in Great Smoky Mountains National Park?

In Great Smoky Mountains National Park, during the entire year, snow falls for 27 days, and aggregates up to 81.51" (2070.4mm) of snow.

When does it snow the most in Great Smoky Mountains National Park?

The month with the most snowfall in Great Smoky Mountains National Park is February when snow falls for 6 days and typically aggregates up to 18.11" (460mm) of snow.

What is the month with the most sunshine in Great Smoky Mountains National Park?

Months with the most sunshine in Great Smoky Mountains National Park, Tennessee, are May through July, with an average of 9h of sunshine.

When it does not snow in Great Smoky Mountains National Park?

June through September are months without snowfall in Great Smoky Mountains National Park, Tennessee.

When are the longest days in Great Smoky Mountains National Park?

June has the longest days of the year, with an average of 14.5h of daylight.

When is the highest UV index in Great Smoky Mountains National Park?

June and July, with an average maximum UV index of 10, are months with the highest UV index.

What is the warmest month in Great Smoky Mountains National Park?

July is the warmest month in Great Smoky Mountains National Park, with an average high-temperature of 71.1°F (21.7°C) and an average low-temperature of 55°F (12.8°C).

What is the wettest month in Great Smoky Mountains National Park?

July is the month with the most rainfall in Great Smoky Mountains National Park. Rain falls for 14 days and accumulates 7.61" (193.2mm) of precipitation.

What is the driest month in Great Smoky Mountains National Park?

The month with the least rainfall is October when the rain falls for 8 days and typically collects 4.34" (110.3mm) of precipitation.

What is the month with the shortest days in Great Smoky Mountains National Park?

December has the shortest days of the year in Great Smoky Mountains National Park, with an average of 9.8h of daylight.

What is the month with the least sunshine in Great Smoky Mountains National Park?

With an average of 4h of sunshine, December has the least sunshine of the year.

What is the month with the lowest UV index in Great Smoky Mountains National Park?

With an average maximum UV index of 2, December is the month with the lowest UV index in Great Smoky Mountains National Park, Tennessee.
Average rainfall - Great Smoky Mountains National Park, TN
Average rainfall days - Great Smoky Mountains National Park, TN

The month with the highest number of rainy days is July (14 days).
Months with the lowest number of rainy days are September, October and November (8 days).

Average snowfall - Great Smoky Mountains National Park, TN
Average snowfall days - Great Smoky Mountains National Park, TN

The month with the highest number of snowfall days is January (7 days).
Months with the lowest number of snowfall days are May, June, July, August, September and October (0 days).

Average daylight / Average sunshine - Great Smoky Mountains National Park, TN
Average UV index - Great Smoky Mountains National Park, TN