August 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 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).

Temperature

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). In August, the average low-temperature is 55°F (12.8°C).

Rainfall

In August, the rain falls for 11 days. Throughout August, 4.51" (114.5mm) of precipitation is accumulated. 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.

Snowfall

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

Daylight

In August, the average length of the day in Great Smoky Mountains National Park is 13h and 28min.
On the first day of August, sunrise is at 6:42 am and sunset at 8:38 pm. On the last day of the month, sunrise is at 7:05 am and sunset at 8:02 pm EDT.

Sunshine

The average sunshine in August is 8h.

UV index

The average daily maximum UV index in August in Great Smoky Mountains National Park is 9. A UV Index estimate of 8 to 10 represents a very high threat to health from exposure to the Sun's UV radiation for average individuals.
Note: The daily maximum UV index of 9 in August interpret into the following advice:
Take special precautions, as unprotected eyes and skin can be burned and damaged quickly. Seek shade and minimize exposure to direct Sun in a period between 10 a.m. and 4 p.m. when UV radiation is most intense; keep in mind that shade structures like parasols or canopies do not provide perfect sun protection. Sun-protective clothing, a long-sleeved shirt and pants, a wide-brimmed hat, and UVA and UVB-blocking sunglasses are particularly helpful in blocking UV radiation's harmful effects.
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FAQ

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

In Great Smoky Mountains National Park, Tennessee, in August, it is raining for 11 days, with typically 4.51" (114.5mm) of accumulated precipitation.

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

In Great Smoky Mountains National Park, snow does not fall in June through September.

What is the average length of the day in August in Great Smoky Mountains National Park?

In August, the average day length is 13h and 28min.

When is the sunrise / sunset in August in Great Smoky Mountains National Park?

In August, on the first day of the month, sunrise is at 6:42 am and sunset at 8:38 pm. On the last day of the month, in Great Smoky Mountains National Park, Tennessee, sunrise is at 7:05 am and sunset at 8:02 pm EDT.

How many hours of sunshine does Great Smoky Mountains National Park have in August?

The average sunshine duration in August in Great Smoky Mountains National Park is 8h.

What is the UV index intensity in August in Great Smoky Mountains National Park?

In August, the average daily maximum UV index in Great Smoky Mountains National Park is 9. A UV Index of 8 to 10 symbolizes a very high health risk from exposure to Sun's UV rays.
Average rainfall days
Average snowfall
Average snowfall days
Average sunshine
Average UV index

Average temperature in August
Great Smoky Mountains National Park, TN

Average temperature in August - Great Smoky Mountains National Park, TN
  • Average high temperature in August: 70°F

The warmest month (with the highest average high temperature) is July (71°F).
The month with the lowest average high temperature is January (37°F).

  • Average low temperature in August: 55°F

The months with the highest average low temperature are July and August (55°F).
The coldest month (with the lowest average low temperature) is January (20°F).

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Average rainfall in August
Great Smoky Mountains National Park, TN

Average rainfall in August - Great Smoky Mountains National Park, TN
  • Average rainfall in August: 4.5"

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

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Average rainfall days in August
Great Smoky Mountains National Park, TN

Average rainfall days in August - Great Smoky Mountains National Park, TN
  • Average rainfall days in August: 11 days

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).

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Average snowfall in August
Great Smoky Mountains National Park, TN

Average snowfall in August - Great Smoky Mountains National Park, TN
  • Average snowfall in August: 0"

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

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Average snowfall days in August
Great Smoky Mountains National Park, TN

Average snowfall days in August - Great Smoky Mountains National Park, TN
  • Average snowfall days in August: 0 days

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).

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

Average daylight in August / Average sunshine in August - Great Smoky Mountains National Park, TN
  • Average daylight in August: 13h and 28min

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).

  • Average sunshine in August: 8h

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).

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Average UV index in August
Great Smoky Mountains National Park, TN

Average UV index in August - Great Smoky Mountains National Park, TN
  • Average UV index in August: 9

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).

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