National Park Trekkers

Great Smoky Mountains Weather in July: What to Expect and What to Pack

Monthly averages are NOAA 1991-2020 climate normals. Check the NPS alerts page for road and trail closures before you go.

July in Great Smoky Mountains83°F days, 63°F nights at Gatlinburg entrance (1,454 ft), with about 6.3 inches of precipitation. The hottest and wettest month: about 83°F in Gatlinburg (low 90s on some days) and 8.3 in of rain at Kuwohi. Plan summit hikes early, before afternoon storms.

Layered forested ridges under a cloudy sky
Layer after layer of Smoky Mountain ridges.Photo: Joshua Burdick / Unsplash

How elevation changes the weather in Great Smoky Mountains

Estimated average high and low for each area in July, highest first. Air cools about 3.5°F for every 1,000 feet you climb, so the same day can feel like two different seasons.

  1. 6,643 ftKuwohi65° / 45°
  2. 5,046 ftNewfound Gap70° / 50°
  3. 1,716 ftCades Cove82° / 62°
  4. 1,462 ftSugarlands Visitor Center83° / 63°

Estimates based on the long-term average at Gatlinburg entrance (1,454 ft). Check the live forecast for each area above before you go.

July compared with the months around it

MonthAvg highAvg lowPrecipitationSnowfall
June80°F59°F6.0 in0.0 in
July83°F63°F6.3 in0.0 in
August82°F62°F4.4 in0.0 in

July is 3°F warmer than June by day, and August cools another 1°F. It is the wettest month of the year here.

Weather hazards to plan for

  • Sudden temperature drops of 10-20°F or more between Gatlinburg and the high peaks; dress in layers for Kuwohi, Newfound Gap, and Mount Le Conte.
  • Afternoon thunderstorms with lightning and heavy rain in summer, especially June-August.
  • Snow and ice closing Newfound Gap Road and making high-elevation trails icy from November into March, sometimes April.
  • Flash flooding and rapidly rising streams after heavy rain; the park gets 55-85 inches of precipitation a year.
  • Severe storms, including tornadoes, mainly in spring and summer, plus wildfire danger in the dry fall season during drought.

What to pack for Great Smoky Mountains in July

Picked from Great Smoky Mountains's average weather in July.

Sleeping bags rated 50°F and up

Nights average 63°F at Gatlinburg entrance, and higher campgrounds run colder. A bag rated about 10°F below the low keeps you warm.

Shop at Coleman
Tents with a full rainfly

July averages 6.3 inches of rain here. A full-coverage rainfly keeps you and your gear dry.

Shop at ColemanRain jacket on Amazon
Coolers

In bear country, coolers must go in your vehicle or a food locker when not in use.

Shop at Coleman

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Great Smoky Mountains in July: questions

What is the weather like in Great Smoky Mountains in July?

At Gatlinburg entrance (1,454 ft), July averages 83°F by day and 63°F at night, with about 6.3 inches of precipitation. The hottest and wettest month: about 83°F in Gatlinburg (low 90s on some days) and 8.3 in of rain at Kuwohi. Plan summit hikes early, before afternoon storms.

How cold does Great Smoky Mountains get at night in July?

Nights average 63°F at Gatlinburg entrance. Up at Kuwohi (6,643 ft) expect it about 18°F colder, near 45°F.

Does it snow in Great Smoky Mountains in July?

Not at Gatlinburg entrance, where July averages no snowfall.

How does July compare with June?

July averages 83°F by day, 3°F warmer than June, and August averages 82°F.

What should I wear in Great Smoky Mountains in July?

Plan for light layers and a rain jacket. Check the forecast for each area you will visit a few days before you go.

Live forecast by areaThe 7-day National Weather Service forecast for each part of Great Smoky Mountains, plus all 12 months side by side.Open the Great Smoky Mountains weather guide

More for your Great Smoky Mountains trip

Sources