Climate and monthly weather forecast
Great Smoky Mountains National Park, TN

Breathtaking panorama of the Great Smoky Mountains National Park in Tennessee,
Breathtaking panorama of the Great Smoky Mountains National Park in Tennessee,

Weather in January

January, like December, in Great Smoky Mountains National Park, Tennessee, is another cold winter month, with an average temperature ranging between min 19.9°F (-6.7°C) and max 37°F (2.8°C). January is the coldest month, with an average high-temperature of 37°F (2.8°C) and an average low-temperature of 19.9°F (-6.7°C). Weather in January »

Weather in February

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

Weather in March

The first month of the spring, March, is a chilly month in Great Smoky Mountains National Park, Tennessee, with temperature in the range of an average high of 46.9°F (8.3°C) and an average low of 28°F (-2.2°C). In March, the average high-temperature slightly increases from a cold 39.9°F (4.4°C) in February to a frosty 46.9°F (8.3°C). Weather in March »

Weather in April

April is a mild spring 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 37°F (2.8°C). In Great Smoky Mountains National Park, the average high-temperature in April rises from a frosty 46.9°F (8.3°C) in March to a moderate 57°F (13.9°C). Weather in April »

Weather in May

May, the last month of the spring in Great Smoky Mountains National Park, is a comfortable month, with an average temperature ranging between max 64°F (17.8°C) and min 45°F (7.2°C). In Great Smoky Mountains National Park, the average high-temperature in May slightly increases from a moderate 57°F (13.9°C) in April to an enjoyable 64°F (17.8°C). Weather in May »

Weather in June

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

Weather in July

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

Weather in August

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

Weather in September

The first month of the autumn, September, is still a comfortable month in Great Smoky Mountains National Park, Tennessee, with an average temperature ranging between max 64.9°F (18.3°C) and min 50°F (10°C). In Great Smoky Mountains National Park, the average high-temperature in September is almost the same as in August - a comfortable 64.9°F (18.3°C). Weather in September »

Weather in October

October, like September, is a moderate autumn month in Great Smoky Mountains National Park, Tennessee, with an average temperature varying between 57°F (13.9°C) and 39.9°F (4.4°C). In October, the average high-temperature marginally drops from a comfortable 64.9°F (18.3°C) in September to a moderate 57°F (13.9°C). Weather in October »

Weather in November

November, the last month of the autumn in Great Smoky Mountains National Park, is another chilly month, with an average temperature ranging between max 48°F (8.9°C) and min 30°F (-1.1°C). In Great Smoky Mountains National Park, Tennessee, the average high-temperature in November decreases from a moderate 57°F (13.9°C) in October to a frosty 48°F (8.9°C). Weather in November »

Weather in December

The first month of the winter, December, is also a wintry month in Great Smoky Mountains National Park, Tennessee, with an average temperature ranging between min 25°F (-3.9°C) and max 41°F (5°C). In Great Smoky Mountains National Park, Tennessee, the average high-temperature in December slightly decreases from a frosty 48°F (8.9°C) in November to a wintry 41°F (5°C). Weather in December »
[Resources]

FAQ

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

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

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

In Great Smoky Mountains National Park, during the entire year, the rain falls for 123 days and collects up to 72.12" (1831.9mm) of precipitation.

When does it snow in Great Smoky Mountains National Park?

Months with snowfall are January through May, October through December.

How much 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.

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

February is the month with the most snowfall in Great Smoky Mountains National Park, Tennessee. Snow falls for 6 days and accumulates 18.11" (460mm) of snow.

When is Daylight Saving Time (DST) in Great Smoky Mountains National Park?

On Sunday, March 13. 2022, at 2:00 am, Daylight Saving Time starts in Great Smoky Mountains National Park, and the time zone changes from EST to EDT. Daylight Saving Time ends Sunday, November 6. 2022, at 2:00 am, and the time zone reverts from EDT to EST.

What are the months with the most sunshine in Great Smoky Mountains National Park?

May through July, with an average of 9h of sunshine, are months with the most 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.

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

The month with the longest days is June, with an average of 14h and 32min of daylight.

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

The months with the highest UV index in Great Smoky Mountains National Park are June and July, with an average maximum UV index of 10.

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

July is the warmest month, 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?

October is the month with the least rainfall in Great Smoky Mountains National Park, Tennessee. Rain falls for 8 days and accumulates 4.34" (110.3mm) of precipitation.

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

The month with the shortest days is December, with an average of 9h and 48min 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.

When is 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 - Great Smoky Mountains National Park, TN

The wettest month (with the highest rainfall) is July (7.6").
The driest month (with the least rainfall) is October (4.3").

[Resources]

Average rainfall days
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).
The months with the least rainy days are September, October and November (8 days).

[Resources]

Average snowfall
Great Smoky Mountains National Park, TN

Average snowfall - Great Smoky Mountains National Park, TN

The month with the highest snowfall is February (18.1").
The months with the least snowfall are June, July, August and September (0").

[Resources]

Average snowfall days
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).
The months with the least snowfall days are May, June, July, August, September and October (0 days).

[Resources]

Average daylight / Average sunshine
Great Smoky Mountains National Park, TN

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

The month with the longest days is June (Average daylight: 14h and 32min).
The month with the shortest days is December (Average daylight: 9h and 48min).

The months with the most sunshine are May, June and July (Average sunshine: 9h).
The month with the least sunshine is December (Average sunshine: 4h).

[Resources]

Average UV index
Great Smoky Mountains National Park, TN

Average UV index - Great Smoky Mountains National Park, TN

The months with the highest UV index are June and July (UV index 10).
The month with the lowest UV index is December (UV index 2).

[Resources]

Weather forecast for your location

1. Click Locate me button
2. Allow the app to use your location
* you will be automatically redirected to the weather forecast for your location