Clarksville, TN weather in August
Clarksville is hot and oppressively humid in August, with some rain: highs average 90°F and nights drop to about 67°F. Rain falls on about 9 days. This is the peak of the warm season in Clarksville.
- Normal high
- 90°F
- Normal low
- 67°F
- Wet days
- 9
- 3.7 in total
- Muggy days
- 22
- dew point 65°F+
How August changes from start to finish
| August 1 | August 31 | |
|---|---|---|
| Normal high | 90°F | 88°F |
| Normal low | 69°F | 65°F |
| Chance of a wet day | 31% | 30% |
| Sunrise / sunset | 5:55 am / 7:55 pm | 6:20 am / 7:19 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 am70°Fdew point 67°F
- 9 am80°Fdew point 69°F
- Noon85°Fdew point 68°F
- 3 pm86°Fdew point 67°F
- 6 pm82°Fdew point 68°F
- 9 pm75°Fdew point 68°F
NOAA hourly normals (local standard time) from Ft Campbell AAF (12 mi away); average wind 5 mph; clear or few clouds in 47% of daytime hours, mostly cloudy or overcast in 34%.
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 more22 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
Average days per August, counted from daily records for each year 1991-2020.
Rain in August
Normal precipitation is 3.7 in; a dry August brings about 2.5 in and a wet one about 4.7 in (25th and 75th percentiles). About 2 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 100°F
- Coolest August2004: average high 84°F
- Wettest August2017: 10.0 in
- Driest August2007: 0.06 in
- Highest reading107°F (August 16, 2007)
- Lowest reading51°F (August 14, 2004)
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 | 90°F | 90°F | 84°F |
| Normal low | 69°F | 67°F | 60°F |
| Wet days | 10 | 9 | 9 |
| Comfortable days | 0 | 1 | 7 |
| Daylight | 14.4 h | 13.5 h | 12.4 h |
Highs change by 0°F from July and -6°F into September.
Nearby alternatives in August
- Cooler: Gatlinburg, TN222 mi · high 82°F · 14 wet days
How Clarksville ranks in August
- Normal high140th warmest of 378 cities; 4th of 7 in Tennessee
- Wet days217th driest of 378
- Comfortable days211th most of 341
What to pack for Clarksville in August
- Light, breathable clothing – highs near 90°F and about 22 muggy days
- A rain jacket or umbrella – rain on about 9 days
Heating and cooling
August has 0 heating degree days and 419 cooling degree days (base 65°F), 8% of the year's total heating and cooling demand.
Questions
How hot is Clarksville in August?
The normal high is 90°F and the normal low is 67°F. From 1991 to 2020 the hottest August reading was 107°F (August 16, 2007).
Does it rain a lot in Clarksville in August?
About 9 days in August have at least 0.01 in of precipitation, and the normal total is 3.7 in. The wettest August in 1991-2020 was in 2017 (10.0 in); the driest was in 2007 (0.06 in).
Is August a good time to visit Clarksville?
August ranks 9th of 12 months on our comfort score for Clarksville (42 out of 100). It has about 1 comfortable day and about 16 days at 90°F or hotter. The best months are April and October.
Where the numbers come from
- Temperature, rain, snowfall and frost dates: Clarksville Wwtp (USC00401790), 1.8 mi NE of the city center, 402 ft (72 ft lower than the city). NOAA normals and daily records, 1991-2020.
- Snow depth: Cheatham L&D (USC00401663), 16 mi SSE of the city center, 392 ft (82 ft lower than the city). NOAA normals and daily records, 1991-2020.
- Humidity and wind by hour and cloud cover: Ft Campbell AAF (USW00013806), 12 mi NW of the city center, 568 ft (94 ft higher than the city). NOAA normals and daily records, 1991-2020.
- Daily humidity and wind: Campbell AAF Airport (746710-13806), 12 mi NW of the city center, 573 ft (99 ft higher than the city). Hourly observations, 1991-2020.