Nashville, TN weather in August
Nashville is hot and humid in August, with some rain: highs average 90°F and nights drop to about 69°F. Expect about 9 wet days. This is the peak of the warm season in Nashville.
- Normal high
- 90°F
- Normal low
- 69°F
- Wet days
- 9
- 3.8 in total
- Muggy days
- 21
- dew point 65°F+
How August changes from start to finish
| August 1 | August 31 | |
|---|---|---|
| Normal high | 91°F | 89°F |
| Normal low | 71°F | 67°F |
| Chance of a wet day | 32% | 29% |
| Sunrise / sunset | 5:54 am / 7:52 pm | 6:18 am / 7:16 pm |
| Daylight | 14.0 h | 13.0 h |
Chance of a wet day: average for the first and last 7 days of the month. Times are local clock time (Central Time).
A typical August day
- 6 am71°Fdew point 67°F
- 9 am80°Fdew point 68°F
- Noon86°Fdew point 66°F
- 3 pm87°Fdew point 65°F
- 6 pm83°Fdew point 66°F
- 9 pm77°Fdew point 67°F
NOAA hourly normals (local standard time) from Nashville Intl Airport (6 mi away); average wind 5 mph; clear or few clouds in 21% of daytime hours, mostly cloudy or overcast in 52%.
What kind of days to expect
- Comfortable dayshigh 65-80°F and dew point under 60°F1 of 31
- Hot dayshigh 90°F or more16 of 31
- Muggy daysdaily mean dew point 65°F or more21 of 31
- Wet daysat least 0.01 in of rain or melted snow9 of 31
- Notable rainat least 0.10 in6 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 3.8 in; a dry August brings about 2.0 in and a wet one about 5.0 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 99°F
- Coolest August2004: average high 84°F
- Wettest August2017: 8.3 in
- Driest August1996: 1.1 in
- Highest reading106°F (August 16, 2007)
- Lowest reading52°F (August 29, 1992)
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
| July | August | September | |
|---|---|---|---|
| Normal high | 91°F | 90°F | 84°F |
| Normal low | 71°F | 69°F | 62°F |
| Wet days | 10 | 9 | 8 |
| Comfortable days | 0 | 1 | 7 |
| Daylight | 14.3 h | 13.5 h | 12.4 h |
Highs change by -1°F from July and -6°F into September.
Nearby alternatives in August
- Cooler: Gatlinburg, TN186 mi · high 82°F · 14 wet days
How Nashville ranks in August
- Normal high127th warmest of 378 cities; 2nd of 7 in Tennessee
- Wet days218th driest of 378
- Comfortable days212th most of 341
What to pack for Nashville in August
- Light, breathable clothing – highs near 90°F and about 21 muggy days
- A rain jacket or umbrella – rain on about 9 days
Heating and cooling
August has 0 heating degree days and 456 cooling degree days (base 65°F), 9% of the year's total heating and cooling demand.
Questions
How hot is Nashville in August?
The normal high is 90°F and the normal low is 69°F. From 1991 to 2020 the hottest August reading was 106°F (August 16, 2007).
Does it rain a lot in Nashville in August?
About 9 days in August have at least 0.01 in of precipitation, and the normal total is 3.8 in. The wettest August in 1991-2020 was in 2017 (8.3 in); the driest was in 1996 (1.1 in).
Is August a good time to visit Nashville?
August ranks 9th of 12 months on our comfort score for Nashville (42 out of 100). It has about 1 comfortable day and about 16 days at 90°F or hotter. The best month is April.
Where the numbers come from
- Temperature, rain, snowfall, frost dates, humidity and wind by hour and cloud cover: Nashville Intl Airport (USW00013897), 6.4 mi SE of the city center, 600 ft (178 ft higher than the city). NOAA normals and daily records, 1991-2020.
- Snow depth: Old Hickory Dam (USC00406803), 11 mi NE of the city center, 460 ft . NOAA normals and daily records, 1991-2020.
- Daily humidity and wind: Nashville International Airport (723270-13897), 6.8 mi SE of the city center, 587 ft (165 ft higher than the city). Hourly observations, 1991-2020.