July weather forecast
Great Smoky Mountains National Park, TN

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

Weather in July

July witnesses the Great Smoky Mountains National Park at its warmest, fully embracing the high summer. Temperatures are at their peak with the snow being merely a memory from the first quarter of the year. The average rainfall elevates to 7.6" (193mm), the highest for the entire year, providing timely relief during the mid-summer blaze. Extended daylight hours and higher UV index further enhance the summer feel. Amidst warm temperatures and intermittent rainfall, July offers the perfect blend for various park activities.

Temperature

Great Smoky Mountains National Park reaches its highest average temperatures in July, measuring 71.1°F (21.7°C) at the peak and 55°F (12.8°C) at the lowest.

Rainfall

The month with the most rainfall is July, when the rain falls for 14 days and typically aggregates up to 7.6" (193mm) of precipitation.

Snowfall

June through September are months without snowfall.

Daylight

In Great Smoky Mountains National Park, Tennessee, the average length of the day in July is 14h and 17min.
On the first day of the month, sunrise is at 6:22 am and sunset at 8:53 pm. On the last day of July, in Great Smoky Mountains National Park, sunrise is at 6:41 am and sunset at 8:38 pm EDT.

Sunshine

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

UV index

June and July, with an average maximum UV index of 10, are months with the highest UV index. A UV Index reading of 8 to 10 represents a very high health risk from unprotected exposure to Sun's UV rays for the ordinary person.
Note: An average maximum UV index of 10 in July leads to these recommendations:
Always be mindful of protection. The risk of damage to skin and eyes is significant if neglected. The time between 10 a.m. and 4 p.m. is when UV radiation is at its peak. Limit exposure to direct sunlight during these hours. Consider a wide-brim hat essential for effective sun defense covering your face, neck, and eyes.
Updated: Jul 12, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What time of the year is the hottest?

July is Great Smoky Mountains National Park's warmest month, registering average high temperatures of 71.1°F (21.7°C) and lows of 55°F (12.8°C).

What is the usual temperature for Great Smoky Mountains National Park in July?

During July, Great Smoky Mountains National Park experiences an average high-temperature of 71.1°F (21.7°C) and a low-temperature of 55°F (12.8°C).

What is the wettest month?

The month with the most rainfall is July, when the rain falls for 14 days and typically aggregates up to 7.6" (193mm) of precipitation.

How much does it rain in July?

In Great Smoky Mountains National Park, in July, during 14 rainfall days, 7.6" (193mm) of precipitation is typically accumulated.

When it does not snow?

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

How many hours of daylight does Great Smoky Mountains National Park have in July?

In July, the average day length is 14h and 17min.

When are sunrise and sunset in July in Great Smoky Mountains National Park?

In July, on the first day of the month, sunrise is at 6:22 am and sunset at 8:53 pm. On the last day of the month, sunrise is at 6:41 am and sunset at 8:38 pm EDT.

What are the months with the most sunshine?

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

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

In July, the average sunshine duration is 9h.

What are the months with the highest UV index?

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

What is the UV index reading in July?

The average daily maximum UV index in July is 10. A UV Index of 8 to 10 symbolizes a very high health risk from unprotected exposure to UV radiation.
Average rainfall days
Average snowfall
Average snowfall days
Average daylight
Average sunshine
Average UV index

Average temperature in July
Great Smoky Mountains National Park, TN

Average temperature in July - Great Smoky Mountains National Park, TN
  • Average high temperature in July: 71°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 July: 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).

Average rainfall in July
Great Smoky Mountains National Park, TN

Average rainfall in July - Great Smoky Mountains National Park, TN
  • Average rainfall in July: 7.6"

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

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

Average rainfall days in July - Great Smoky Mountains National Park, TN
  • Average rainfall days in July: 14 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).

Average snowfall in July
Great Smoky Mountains National Park, TN

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

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

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

Average snowfall days in July - Great Smoky Mountains National Park, TN
  • Average snowfall days in July: 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).

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

Average daylight in July / Average sunshine in July - Great Smoky Mountains National Park, TN
  • Average daylight in July: 14h and 2min

The month with the longest days is June (Average daylight: 14h and 30min).
The month with the shortest days is December (Average daylight: 9h and 48min).

  • Average sunshine in July: 9h

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).

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

Average UV index in July - Great Smoky Mountains National Park, TN
  • Average UV index in July: 10

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).

Great Smoky Mountains National Park, Tennessee, USA

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