Gatlinburg, TN Climate & Monthly Averages
Gatlinburg has a humid subtropical climate. July is the hottest month, averaging 86° by day; January is the coldest at 49°.
Sunshine is a defining feature of Gatlinburg's climate
Gatlinburg is a humid subtropical city - hot, humid summers and generally mild winters. July is the warmest month at 86°F (30°C) and January the coolest at 49°F (9°C), over 57.2 inches (1454 mm) of precipitation a year.
How sun, temperature and rain fit together
At its warmest, in July, Gatlinburg runs to 86°F (30°C) in the afternoon and back to 69°F (21°C) by dawn. January is the coolest month, with highs of 49°F (9°C) and lows near 33°F (0°C). Snow falls on roughly 10 days a year, mostly December through March.
February is the wettest month at 6.0 inches (153 mm) over 14 days; June is the driest. Sunshine averages 9.1 hours a day over the year, peaking in June at 12.0 hours. Across the gridded 2015-2024 daily record, the highest daily maximum for this location was 97°F (36°C) and the lowest daily minimum -1°F (-18°C).
More climate facts for Gatlinburg
- Hottest month: July - highs near 86°F (30°C)
- Coldest month: January - highs near 49°F (9°C)
- Decade extremes (2015-2024): 97°F (36°C) high · -1°F (-18°C) low
- Wettest month: February (14 rainy days) · Sunniest: June (12.0 h sun/day)
- Climate type: humid subtropical
- Annual swing: 20°C between the average warmest and coolest month · day to night: 10°C
- Snow: about 10 days a year
- Months averaging 30°C or hotter: 1
- Average humidity: 71%
The most comfortable sunny-weather window
Best time to visit Gatlinburg
March to June and September to October is the sweet spot for Gatlinburg - warm days, manageable rainfall and plenty of daylight line up. Expect 74°F (23°C) in the afternoon and around 13 days of rain in a typical month of it. For the same question asked the other way round, see where else is warm in March.
What to pack
Pack for Gatlinburg with light clothing for the warm months, a warm jacket and layers for the cooler season and proper waterproofs rather than an umbrella - wet days are the norm here. July nights average 69°F (21°C), so evenings rarely match the afternoons.
Monthly climate table
| Month | High | Low | Rain days | Precipitation | Sunshine | Daylight | Wet-day chance | Humidity |
|---|---|---|---|---|---|---|---|---|
| January | 49° | 33° | 13 | 5.6 in | 6.1 h/day | 10.0 h | 43% | 71% |
| February | 55° | 38° | 14 | 6.0 in | 6.4 h/day | 10.8 h | 51% | 70% |
| March | 62° | 43° | 14 | 5.6 in | 8.1 h/day | 11.9 h | 45% | 67% |
| April | 69° | 49° | 12 | 5.0 in | 9.7 h/day | 13.1 h | 42% | 66% |
| May | 76° | 59° | 15 | 4.9 in | 10.8 h/day | 14.0 h | 48% | 72% |
| June | 83° | 65° | 14 | 3.6 in | 12.0 h/day | 14.6 h | 48% | 70% |
| July | 86° | 69° | 17 | 4.2 in | 11.9 h/day | 14.3 h | 55% | 74% |
| August | 85° | 68° | 15 | 4.7 in | 11.3 h/day | 13.5 h | 50% | 75% |
| September | 81° | 63° | 11 | 4.1 in | 10.2 h/day | 12.3 h | 38% | 73% |
| October | 71° | 53° | 9 | 4.1 in | 8.9 h/day | 11.2 h | 30% | 71% |
| November | 60° | 43° | 10 | 3.9 in | 7.4 h/day | 10.2 h | 33% | 71% |
| December | 54° | 38° | 13 | 5.5 in | 6.0 h/day | 9.7 h | 41% | 73% |
Gatlinburg month by month
Each card shows the average high and low. The bar places that month between Gatlinburg's coldest night and warmest afternoon.
January
- Rain
- 13 days
- Sunshine
- 6.1 h
- Daylight
- 10.0 h
- Snow
- 3 days
February
- Rain
- 14 days
- Sunshine
- 6.4 h
- Daylight
- 10.8 h
- Snow
- 3 days
March
- Rain
- 14 days
- Sunshine
- 8.1 h
- Daylight
- 11.9 h
- Snow
- 1 day
April
- Rain
- 12 days
- Sunshine
- 9.7 h
- Daylight
- 13.1 h
May
- Rain
- 15 days
- Sunshine
- 10.8 h
- Daylight
- 14.0 h
June
- Rain
- 14 days
- Sunshine
- 12.0 h
- Daylight
- 14.6 h
July
- Rain
- 17 days
- Sunshine
- 11.9 h
- Daylight
- 14.3 h
August
- Rain
- 15 days
- Sunshine
- 11.3 h
- Daylight
- 13.5 h
September
- Rain
- 11 days
- Sunshine
- 10.2 h
- Daylight
- 12.3 h
October
- Rain
- 9 days
- Sunshine
- 8.9 h
- Daylight
- 11.2 h
November
- Rain
- 10 days
- Sunshine
- 7.4 h
- Daylight
- 10.2 h
December
- Rain
- 13 days
- Sunshine
- 6.0 h
- Daylight
- 9.7 h
- Snow
- 2 days
Looking for warmer alternatives? Browse warm places by month, or compare Gatlinburg's coolest part of the year: January, December, February.
Seasonal weather under Gatlinburg's sunnier skies
Spring (March through May)
Spring is mild and warm here - highs near 69°F (21°C), nights near 50°F (10°C), and rain falls on around 41 of the 90 days.
Summer (June through August)
Through summer, Gatlinburg brings hot afternoons: 85°F (29°C) by day, 68°F (20°C) after dark, and rain falls on around 47 of the 90 days. Daylight is generous - around 11.7 hours of sun a day. With the moisture factored in, afternoons feel hotter than the reading suggests - the humidity and dew point converter shows why.
Fall (September through November)
Through fall, Gatlinburg settles into easy warmth: 71°F (22°C) by day, 53°F (12°C) after dark, and rain falls on around 31 of the 90 days.
Winter (December through February)
Winter runs cold here - highs near 53°F (12°C), nights near 36°F (2°C), and rain falls on around 40 of the 90 days, plus about 8 snowy days.
How unusual is Gatlinburg?
- Gatlinburg sits close to the middle of our dataset on most measures: 60°F (16°C) as an annual average, 57.2 inches (1454 mm) of precipitation and 9.1 hours of sun a day.
These comparisons use the same ten-year window for every city in the dataset.
Gatlinburg temperature extremes in the 2015–2024 dataset
Derived from ERA5 reanalysis data, 2015–2024. Official station records may differ. Need another precipitation unit? Use the rainfall converter.