Climateby Month

Gatlinburg, TN weather in August

NOAA 1991-2020 normals and daily records · Gatlinburg all year

Expect warm, humid weather with frequent rain in Gatlinburg in August, with highs near 82°F and lows near 62°F. Rain falls on about 14 days. It is one of the warmest months in Gatlinburg.

Normal high
82°F
Normal low
62°F
Wet days
14
4.4 in total
Muggy days
23
dew point 65°F+

How August changes from start to finish

Normal values at the start and end of August
August 1August 31
Normal high83°F81°F
Normal low63°F60°F
Chance of a wet day48%41%
Sunrise / sunset6:42 am / 8:38 pm7:05 am / 8:03 pm
Daylight13.9 h13.0 h

Chance of a wet day: average for the first and last 7 days of the month. Times are local clock time (Eastern Time).

A typical August day

  1. 6 am69°Fdew point 66°F
  2. 9 am75°Fdew point 68°F
  3. Noon83°Fdew point 67°F
  4. 3 pm85°Fdew point 66°F
  5. 6 pm83°Fdew point 66°F
  6. 9 pm76°Fdew point 67°F

NOAA hourly normals (local standard time) from Knoxville Mcghee Tyson Airport (28 mi away); average wind 5 mph; clear or few clouds in 57% of daytime hours, mostly cloudy or overcast in 31%.

What kind of days to expect

  • Comfortable dayshigh 65-80°F and dew point under 60°F1 of 31
  • Hot dayshigh 90°F or more4 of 31
  • Muggy daysdaily mean dew point 65°F or more23 of 31
  • Wet daysat least 0.01 in of rain or melted snow14 of 31
  • Notable rainat least 0.10 in9 of 31
  • Freezing nightslow 32°F or below0 of 31
  • Snow on the groundsnow depth 1 in or more0 of 31

Average days per August, counted from daily records for each year 1991-2020.

Rain in August

Normal precipitation is 4.4 in; a dry August brings about 2.8 in and a wet one about 5.8 in (25th and 75th percentiles). About 3 days bring half an inch or more, and about 1 an inch or more.

How August varies from year to year

  • Warmest August, 1991-20202007: average high 92°F
  • Coolest August2013: average high 78°F
  • Wettest August1991: 7.7 in
  • Driest August1998: 1.1 in
  • Highest reading99°F (August 17, 2007)
  • Lowest reading41°F (August 12, 2008)

From the station's daily records with NOAA quality flags removed; most recent date shown when a reading repeats.

August compared with July and September

JulyAugustSeptember
Normal high83°F82°F78°F
Normal low63°F62°F56°F
Wet days151411
Comfortable days118
Daylight14.3 h13.5 h12.4 h

Highs change by -1°F from July and -4°F into September.

Nearby alternatives in August

How Gatlinburg ranks in August

  • Normal high278th warmest of 378 cities; 7th of 7 in Tennessee
  • Wet days341st driest of 378
  • Comfortable days188th most of 341

What to pack for Gatlinburg in August

  • A rain jacket or umbrella – rain on about 14 days

Heating and cooling

August has 3 heating degree days and 212 cooling degree days (base 65°F), 4% of the year's total heating and cooling demand.

Questions

How hot is Gatlinburg in August?

The normal high is 82°F and the normal low is 62°F. From 1991 to 2020 the hottest August reading was 99°F (August 17, 2007).

Does it rain a lot in Gatlinburg in August?

About 14 days in August have at least 0.01 in of precipitation, and the normal total is 4.4 in. The wettest August in 1991-2020 was in 1991 (7.7 in); the driest was in 1998 (1.1 in).

Is August a good time to visit Gatlinburg?

August ranks 9th of 12 months on our comfort score for Gatlinburg (48 out of 100). It has about 1 comfortable day and about 4 days at 90°F or hotter. The best months are April and October.

Where the numbers come from

  • Temperature, rain, snowfall, snow depth and frost dates: Gatlinburg 2 Sw (USC00403420), 2.4 mi SW of the city center, 1,454 ft (164 ft higher than the city). NOAA normals and daily records, 1991-2020.
  • Humidity and wind by hour: Knoxville Mcghee Tyson Airport (USW00013891), 28 mi WNW of the city center, 962 ft (328 ft lower than the city). NOAA normals and daily records, 1991-2020.
  • Cloud cover: Asheville Rgnl Airport (USW00003812), 58 mi ESE of the city center, 2,117 ft (827 ft higher than the city). NOAA normals and daily records, 1991-2020.
  • Daily humidity and wind: Mc Ghee Tyson Airport (723260-13891), 28 mi WNW of the city center, 970 ft (320 ft lower than the city). Hourly observations, 1991-2020.