June 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 June

Welcoming June, the Great Smoky Mountains National Park basks in summer-soaked days. The snow that marked the winter months has long dissipated, conquered by the flowering flora under the extended sunshine. Be on the lookout for regular rainfall that cools the warm temperatures, maintaining pleasant weather conditions. Adventurers and nature enthusiasts find bliss in June, owing to the park's sustained warm climate and definite absence of snowfall. Additionally, the extended daylight hours offer much more panoramic day views.

Temperature

The average high-temperature during June registers at an agreeable 69.1°F (20.6°C), closely corresponding to the preceding month. Great Smoky Mountains National Park's average low-temperature for the month of June records at a cool 52°F (11.1°C).

Rainfall

In June, the rain falls for 12 days. Throughout June, 5.98" (152mm) of precipitation is accumulated. In Great Smoky Mountains National Park, during the entire year, the rain falls for 123 days and collects up to 72.13" (1832mm) of precipitation.

Snowfall

June through September are months without snowfall.

Daylight

The month with the longest days in Great Smoky Mountains National Park is June, with an average of 14h and 30min of daylight.
On the first day of June in Great Smoky Mountains National Park, sunrise is at 6:19 am and sunset at 8:44 pm. On the last day of the month, sunrise is at 6:21 am and sunset at 8:53 pm EDT.

Sunshine

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

UV index

June and July, with an average maximum UV index of 10, are months with the highest UV index in Great Smoky Mountains National Park. A UV Index reading of 8 to 10 represents a very high health vulnerability from exposure to the Sun's UV radiation for average individuals.
Note: In June, the average maximum UV index of 10 translates into the following recommendations:
Being careless can result in skin and eye damage. Always take the necessary safety measures. Stay in the shade and avoid direct Sun exposure from 10 a.m. to 4 p.m., a period when UV radiation is particularly strong, noting that parasols or canopies may not offer total sun protection. Counter UV radiation's ill effects with clothing designed for sun safety and UV-resistant eyewear.
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Frequently asked questions

What are the temperatures in Great Smoky Mountains National Park in June?

The average high-temperature and low-temperature in Great Smoky Mountains National Park during June are 69.1°F (20.6°C) and 52°F (11.1°C) respectively.

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

In June, in Great Smoky Mountains National Park, the rain falls for 12 days. Throughout June, 5.98" (152mm) of precipitation is accumulated.

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

June through September are months without snowfall.

Does it snow in Great Smoky Mountains National Park in June?

In June, in Great Smoky Mountains National Park, Tennessee, it doesn't snow. May is the latest month when it typically snows.

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

June has the longest days of the year in Great Smoky Mountains National Park, Tennessee, with an average of 14h and 30min of daylight.

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

The average day length in June in Great Smoky Mountains National Park, Tennessee, is 14h and 32min.

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

On the first day of June in Great Smoky Mountains National Park, sunrise is at 6:19 am and sunset at 8:44 pm. On the last day of the month, sunrise is at 6:21 am and sunset at 8:53 pm EDT.

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

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

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

In Great Smoky Mountains National Park, Tennessee, the average sunshine duration in June is 9h.

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 UV index intensity in June in Great Smoky Mountains National Park?

In June, the average daily maximum UV index in Great Smoky Mountains National Park, Tennessee, is 10. A UV Index estimate of 8 to 10 represents a very high health threat from exposure to Sun's UV rays.
Average rainfall days
Average snowfall
Average snowfall days
Average daylight
Average sunshine
Average UV index

Average temperature in June
Great Smoky Mountains National Park, TN

Average temperature in June - Great Smoky Mountains National Park, TN
  • Average high temperature in June: 69°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 June: 52°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 June
Great Smoky Mountains National Park, TN

Average rainfall in June - Great Smoky Mountains National Park, TN
  • Average rainfall in June: 6"

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 June
Great Smoky Mountains National Park, TN

Average rainfall days in June - Great Smoky Mountains National Park, TN
  • Average rainfall days in June: 12 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 June
Great Smoky Mountains National Park, TN

Average snowfall in June - Great Smoky Mountains National Park, TN
  • Average snowfall in June: 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 June
Great Smoky Mountains National Park, TN

Average snowfall days in June - Great Smoky Mountains National Park, TN
  • Average snowfall days in June: 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 June /
Average sunshine in June
Great Smoky Mountains National Park, TN

Average daylight in June / Average sunshine in June - Great Smoky Mountains National Park, TN
  • Average daylight in June: 14h and 3min

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 June: 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).

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

Average UV index in June - Great Smoky Mountains National Park, TN
  • Average UV index in June: 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).

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Great Smoky Mountains National Park, Tennessee, USA

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