Clarksville weather in August
In August, Clarksville sees average daytime highs of 88°F and overnight lows near 69°F, with 3.2 in of rain across 10.2 wet days and about 13.4 hours of daylight. It is the 2nd-warmest and 11th-wettest month of the year here.
Day-to-day highs hold fairly steady near 88°F through the month. The sky is clear or mostly clear about 35% of the time in August, and the air most often feels muggy.
Daylight stretches from about 13 h 54 min at the start of August to 12 h 54 min by month's end. Set against the rest of the year, August is Clarksville's 4th-clearest and 12th-windiest month. For the whole year in context, see Clarksville's year-round climate.
- Daytime high
- 88°
- 2nd warmest
- Overnight low
- 69°
- 11th coldest
- Rainfall
- 3.2 in
- 10.2 wet days
- Daylight
- 13 h 24 min
- 5:11 AM – 6:36 PM
- Cloud cover
- 54%
- 4th clearest
- Wind
- 5 mph
- 12th windiest
- Solar energy
- 5.65 kWh/m²
- Travel score
- 4.4
- out of 10
Clarksville is city in Tennessee, United States.
- Density
- 643/km²
- people per km²
- Founded
- 1785
Air quality: WHO Ambient Air Quality Database. Density & description: Wikidata (CC0), GeoNames.
Temperature in August
Day-to-day highs hold fairly steady near 88°F through the month.
A typical August day in Clarksville reaches about 88°F in the afternoon and slips back to 69°F overnight — a 19°F spread between the day's warmth and the night's chill. On most days the high lands between 81°F and 95°F. Set against its neighbours, August runs on par with July and about 6°F warmer than September.
| 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | 24 | 25 | 26 | 27 | 28 | 29 | 30 | 31 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Avg high (°F) | 89 | 89 | 89 | 89 | 89 | 89 | 89 | 89 | 88 | 88 | 88 | 88 | 88 | 88 | 88 | 88 | 88 | 88 | 88 | 88 | 88 | 88 | 88 | 88 | 88 | 87 | 87 | 87 | 87 | 87 | 87 |
| Avg low (°F) | 71 | 71 | 70 | 70 | 70 | 70 | 70 | 70 | 70 | 70 | 70 | 70 | 69 | 69 | 69 | 69 | 69 | 69 | 69 | 69 | 69 | 69 | 69 | 69 | 69 | 68 | 68 | 68 | 68 | 68 | 67 |
| Avg high (°F) | Avg low (°F) | |
|---|---|---|
| 1 | 89 | 71 |
| 2 | 89 | 71 |
| 3 | 89 | 70 |
| 4 | 89 | 70 |
| 5 | 89 | 70 |
| 6 | 89 | 70 |
| 7 | 89 | 70 |
| 8 | 89 | 70 |
| 9 | 88 | 70 |
| 10 | 88 | 70 |
| 11 | 88 | 70 |
| 12 | 88 | 70 |
| 13 | 88 | 69 |
| 14 | 88 | 69 |
| 15 | 88 | 69 |
| 16 | 88 | 69 |
| 17 | 88 | 69 |
| 18 | 88 | 69 |
| 19 | 88 | 69 |
| 20 | 88 | 69 |
| 21 | 88 | 69 |
| 22 | 88 | 69 |
| 23 | 88 | 69 |
| 24 | 88 | 69 |
| 25 | 88 | 69 |
| 26 | 87 | 68 |
| 27 | 87 | 68 |
| 28 | 87 | 68 |
| 29 | 87 | 68 |
| 30 | 87 | 68 |
| 31 | 87 | 67 |
How August really feels in Clarksville
Once humidity and wind are folded in, August averages 26 days that feel above 90°F and 0 that feel at or below 32°F — the comfort signal a plain temperature reading hides.
The story in August is heat — humidity pushes the afternoon "feels like" well above the raw temperature.
Clarksville weather by month
How August compares with the rest of the year at a glance. August is the 2nd-warmest and 11th-wettest month here — the current month is highlighted below.
| Month | High / Low (°F) | Rainfall (inches) | Wet days | Snow days | Daylight (hours) | Travel score |
|---|---|---|---|---|---|---|
| Jan | 46° / 30° | 3.9 | 10 | 1.8 | 9.8 | 1.3 |
| Feb | 50° / 33° | 4.2 | 10 | 1.6 | 10.6 | 2.3 |
| Mar | 60° / 41° | 4.9 | 11.4 | 0.7 | 11.7 | 4.6 |
| Apr | 70° / 50° | 4.9 | 10.8 | 0.1 | 12.9 | 6.3 |
| May | 78° / 60° | 4.8 | 12.3 | 0 | 13.9 | 6.3 |
| Jun | 86° / 68° | 3.5 | 12 | 0 | 14.4 | 4.8 |
| Jul | 89° / 71° | 3.8 | 11.8 | 0 | 14.2 | 4.0 |
| Aug | 88° / 69° | 3.2 | 10.2 | 0 | 13.4 | 4.4 |
| Sep | 82° / 62° | 3.2 | 7.7 | 0 | 12.2 | 6.4 |
| Oct | 71° / 50° | 3.6 | 8.2 | 0.1 | 11.1 | 7.0 |
| Nov | 58° / 40° | 3.8 | 8.8 | 0.3 | 10.1 | 4.6 |
| Dec | 49° / 34° | 4.6 | 10.5 | 0.9 | 9.6 | 2.0 |
Cloud cover in August
The sky is clear or mostly clear about 35% of the time in August.
Beyond those clear spells, partly cloudy skies cover about 22% of August, with mostly cloudy or overcast conditions the remaining 43%.
| 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | 24 | 25 | 26 | 27 | 28 | 29 | 30 | 31 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Clearer (%) | 55 | 55 | 55 | 55 | 55 | 55 | 54 | 55 | 55 | 55 | 55 | 55 | 55 | 56 | 57 | 57 | 57 | 58 | 59 | 59 | 59 | 60 | 59 | 59 | 59 | 59 | 59 | 59 | 59 | 60 | 60 |
| Cloudier (%) | 45 | 45 | 45 | 45 | 45 | 45 | 46 | 45 | 45 | 45 | 45 | 45 | 45 | 44 | 43 | 43 | 43 | 42 | 41 | 41 | 41 | 40 | 41 | 41 | 41 | 41 | 41 | 41 | 41 | 40 | 40 |
| Clearer (%) | Cloudier (%) | |
|---|---|---|
| 1 | 55 | 45 |
| 2 | 55 | 45 |
| 3 | 55 | 45 |
| 4 | 55 | 45 |
| 5 | 55 | 45 |
| 6 | 55 | 45 |
| 7 | 54 | 46 |
| 8 | 55 | 45 |
| 9 | 55 | 45 |
| 10 | 55 | 45 |
| 11 | 55 | 45 |
| 12 | 55 | 45 |
| 13 | 55 | 45 |
| 14 | 56 | 44 |
| 15 | 57 | 43 |
| 16 | 57 | 43 |
| 17 | 57 | 43 |
| 18 | 58 | 42 |
| 19 | 59 | 41 |
| 20 | 59 | 41 |
| 21 | 59 | 41 |
| 22 | 60 | 40 |
| 23 | 59 | 41 |
| 24 | 59 | 41 |
| 25 | 59 | 41 |
| 26 | 59 | 41 |
| 27 | 59 | 41 |
| 28 | 59 | 41 |
| 29 | 59 | 41 |
| 30 | 60 | 40 |
| 31 | 60 | 40 |
Chance of precipitation in August
Clarksville gets around 3.2 in of rain over 10.2 wet days in August. The line is the day-by-day chance of measurable precipitation.
Day to day, the chance of measurable rain averages around 33% and peaks near 38% on the wettest days. The odds ease toward the end of the month.
| 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | 24 | 25 | 26 | 27 | 28 | 29 | 30 | 31 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Rain chance (%) | 38 | 38 | 38 | 38 | 38 | 37 | 37 | 37 | 36 | 36 | 36 | 35 | 35 | 35 | 34 | 33 | 33 | 32 | 31 | 31 | 31 | 30 | 30 | 30 | 30 | 30 | 29 | 29 | 29 | 28 | 28 |
| Rain chance (%) | |
|---|---|
| 1 | 38 |
| 2 | 38 |
| 3 | 38 |
| 4 | 38 |
| 5 | 38 |
| 6 | 37 |
| 7 | 37 |
| 8 | 37 |
| 9 | 36 |
| 10 | 36 |
| 11 | 36 |
| 12 | 35 |
| 13 | 35 |
| 14 | 35 |
| 15 | 34 |
| 16 | 33 |
| 17 | 33 |
| 18 | 32 |
| 19 | 31 |
| 20 | 31 |
| 21 | 31 |
| 22 | 30 |
| 23 | 30 |
| 24 | 30 |
| 25 | 30 |
| 26 | 30 |
| 27 | 29 |
| 28 | 29 |
| 29 | 29 |
| 30 | 28 |
| 31 | 28 |
Humidity in August
Most of August feels muggy — the stacked bands show each day's mix of comfort levels, read off the dew point.
By dew point, August lands in the muggy band about 35% of days. Sticky, muggy-or-worse air turns up on roughly 67% of them.
| 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | 24 | 25 | 26 | 27 | 28 | 29 | 30 | 31 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Dry (%) | 3 | 3 | 3 | 3 | 3 | 4 | 4 | 4 | 4 | 5 | 5 | 5 | 5 | 5 | 5 | 5 | 5 | 5 | 5 | 5 | 4 | 4 | 4 | 4 | 5 | 5 | 5 | 5 | 6 | 6 | 7 |
| Comfortable (%) | 8 | 8 | 8 | 8 | 8 | 7 | 7 | 7 | 7 | 7 | 7 | 8 | 8 | 8 | 8 | 9 | 9 | 10 | 10 | 10 | 10 | 10 | 10 | 10 | 10 | 10 | 11 | 11 | 11 | 12 | 12 |
| Humid (%) | 18 | 18 | 19 | 19 | 19 | 19 | 19 | 19 | 19 | 19 | 19 | 19 | 19 | 19 | 20 | 20 | 20 | 20 | 20 | 20 | 20 | 20 | 20 | 20 | 20 | 20 | 20 | 20 | 21 | 21 | 22 |
| Muggy (%) | 32 | 33 | 33 | 34 | 34 | 34 | 34 | 34 | 35 | 34 | 34 | 34 | 34 | 33 | 33 | 34 | 34 | 34 | 34 | 35 | 35 | 36 | 36 | 36 | 37 | 37 | 37 | 37 | 36 | 36 | 36 |
| Oppressive (%) | 38 | 37 | 37 | 36 | 36 | 35 | 34 | 34 | 34 | 33 | 33 | 33 | 32 | 32 | 31 | 31 | 30 | 29 | 29 | 29 | 29 | 29 | 29 | 29 | 28 | 28 | 27 | 27 | 26 | 25 | 24 |
| Miserable (%) | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 1 | 1 | 1 | 1 | 1 | 0 | 0 | 0 | 0 | 0 |
| Dry (%) | Comfortable (%) | Humid (%) | Muggy (%) | Oppressive (%) | Miserable (%) | |
|---|---|---|---|---|---|---|
| 1 | 3 | 8 | 18 | 32 | 38 | 1 |
| 2 | 3 | 8 | 18 | 33 | 37 | 1 |
| 3 | 3 | 8 | 19 | 33 | 37 | 1 |
| 4 | 3 | 8 | 19 | 34 | 36 | 1 |
| 5 | 3 | 8 | 19 | 34 | 36 | 1 |
| 6 | 4 | 7 | 19 | 34 | 35 | 1 |
| 7 | 4 | 7 | 19 | 34 | 34 | 1 |
| 8 | 4 | 7 | 19 | 34 | 34 | 1 |
| 9 | 4 | 7 | 19 | 35 | 34 | 1 |
| 10 | 5 | 7 | 19 | 34 | 33 | 2 |
| 11 | 5 | 7 | 19 | 34 | 33 | 2 |
| 12 | 5 | 8 | 19 | 34 | 33 | 2 |
| 13 | 5 | 8 | 19 | 34 | 32 | 2 |
| 14 | 5 | 8 | 19 | 33 | 32 | 2 |
| 15 | 5 | 8 | 20 | 33 | 31 | 2 |
| 16 | 5 | 9 | 20 | 34 | 31 | 2 |
| 17 | 5 | 9 | 20 | 34 | 30 | 2 |
| 18 | 5 | 10 | 20 | 34 | 29 | 2 |
| 19 | 5 | 10 | 20 | 34 | 29 | 2 |
| 20 | 5 | 10 | 20 | 35 | 29 | 2 |
| 21 | 4 | 10 | 20 | 35 | 29 | 2 |
| 22 | 4 | 10 | 20 | 36 | 29 | 1 |
| 23 | 4 | 10 | 20 | 36 | 29 | 1 |
| 24 | 4 | 10 | 20 | 36 | 29 | 1 |
| 25 | 5 | 10 | 20 | 37 | 28 | 1 |
| 26 | 5 | 10 | 20 | 37 | 28 | 1 |
| 27 | 5 | 11 | 20 | 37 | 27 | 0 |
| 28 | 5 | 11 | 20 | 37 | 27 | 0 |
| 29 | 6 | 11 | 21 | 36 | 26 | 0 |
| 30 | 6 | 12 | 21 | 36 | 25 | 0 |
| 31 | 7 | 12 | 22 | 36 | 24 | 0 |
Wind in August
Winds average 5 mph in August, the calmest month.
Across August, daily wind ranges from about 4 mph on the calmest days to 5 mph at its breeziest. It stays fairly steady from day to day.
| 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | 24 | 25 | 26 | 27 | 28 | 29 | 30 | 31 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Wind speed (mph) | 4 | 4 | 4 | 4 | 4 | 4 | 4 | 4 | 4 | 5 | 5 | 5 | 5 | 5 | 5 | 5 | 5 | 5 | 5 | 5 | 5 | 5 | 5 | 5 | 5 | 5 | 5 | 5 | 5 | 5 | 5 |
| Feels | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm |
| Wind speed (mph) | Feels | |
|---|---|---|
| 1 | 4 | calm |
| 2 | 4 | calm |
| 3 | 4 | calm |
| 4 | 4 | calm |
| 5 | 4 | calm |
| 6 | 4 | calm |
| 7 | 4 | calm |
| 8 | 4 | calm |
| 9 | 4 | calm |
| 10 | 5 | calm |
| 11 | 5 | calm |
| 12 | 5 | calm |
| 13 | 5 | calm |
| 14 | 5 | calm |
| 15 | 5 | calm |
| 16 | 5 | calm |
| 17 | 5 | calm |
| 18 | 5 | calm |
| 19 | 5 | calm |
| 20 | 5 | calm |
| 21 | 5 | calm |
| 22 | 5 | calm |
| 23 | 5 | calm |
| 24 | 5 | calm |
| 25 | 5 | calm |
| 26 | 5 | calm |
| 27 | 5 | calm |
| 28 | 5 | calm |
| 29 | 5 | calm |
| 30 | 5 | calm |
| 31 | 5 | calm |
Sunrise & sunset in August
Daylight runs from about 13 h 54 min at the start of August to 12 h 54 min by month's end. The lit band spans sunrise to sunset each day.
Days shrink by about 60 minutes over August. Sunrise moves from 4:59 AM to 5:24 AM, and sunset from 6:52 PM to 6:15 PM.
| 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | 24 | 25 | 26 | 27 | 28 | 29 | 30 | 31 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Daylight (h) | 13.9 | 13.9 | 13.8 | 13.8 | 13.8 | 13.7 | 13.7 | 13.7 | 13.6 | 13.6 | 13.6 | 13.5 | 13.5 | 13.5 | 13.4 | 13.4 | 13.4 | 13.3 | 13.3 | 13.3 | 13.2 | 13.2 | 13.2 | 13.1 | 13.1 | 13.0 | 13.0 | 13.0 | 12.9 | 12.9 | 12.9 |
| Sunrise (AM) | 4:59 | 5:00 | 5:01 | 5:01 | 5:02 | 5:03 | 5:04 | 5:05 | 5:06 | 5:06 | 5:07 | 5:08 | 5:09 | 5:10 | 5:11 | 5:11 | 5:12 | 5:13 | 5:14 | 5:15 | 5:16 | 5:16 | 5:17 | 5:18 | 5:19 | 5:20 | 5:21 | 5:21 | 5:22 | 5:23 | 5:24 |
| Sunset (PM) | 6:52 | 6:51 | 6:50 | 6:49 | 6:48 | 6:47 | 6:46 | 6:45 | 6:44 | 6:43 | 6:42 | 6:40 | 6:39 | 6:38 | 6:37 | 6:36 | 6:34 | 6:33 | 6:32 | 6:31 | 6:29 | 6:28 | 6:26 | 6:25 | 6:24 | 6:22 | 6:21 | 6:19 | 6:18 | 6:17 | 6:15 |
| Daylight (h) | Sunrise (AM) | Sunset (PM) | |
|---|---|---|---|
| 1 | 13.9 | 4:59 | 6:52 |
| 2 | 13.9 | 5:00 | 6:51 |
| 3 | 13.8 | 5:01 | 6:50 |
| 4 | 13.8 | 5:01 | 6:49 |
| 5 | 13.8 | 5:02 | 6:48 |
| 6 | 13.7 | 5:03 | 6:47 |
| 7 | 13.7 | 5:04 | 6:46 |
| 8 | 13.7 | 5:05 | 6:45 |
| 9 | 13.6 | 5:06 | 6:44 |
| 10 | 13.6 | 5:06 | 6:43 |
| 11 | 13.6 | 5:07 | 6:42 |
| 12 | 13.5 | 5:08 | 6:40 |
| 13 | 13.5 | 5:09 | 6:39 |
| 14 | 13.5 | 5:10 | 6:38 |
| 15 | 13.4 | 5:11 | 6:37 |
| 16 | 13.4 | 5:11 | 6:36 |
| 17 | 13.4 | 5:12 | 6:34 |
| 18 | 13.3 | 5:13 | 6:33 |
| 19 | 13.3 | 5:14 | 6:32 |
| 20 | 13.3 | 5:15 | 6:31 |
| 21 | 13.2 | 5:16 | 6:29 |
| 22 | 13.2 | 5:16 | 6:28 |
| 23 | 13.2 | 5:17 | 6:26 |
| 24 | 13.1 | 5:18 | 6:25 |
| 25 | 13.1 | 5:19 | 6:24 |
| 26 | 13.0 | 5:20 | 6:22 |
| 27 | 13.0 | 5:21 | 6:21 |
| 28 | 13.0 | 5:21 | 6:19 |
| 29 | 12.9 | 5:22 | 6:18 |
| 30 | 12.9 | 5:23 | 6:17 |
| 31 | 12.9 | 5:24 | 6:15 |
Solar energy in August
Average shortwave solar energy reaching the ground each day in August, about 5.65 kWh/m².
For context, solar energy here swings from a low near 1.99 kWh/m² to a high of 6.28 kWh/m² in June across the year — August's 5.65 kWh/m² falls in the middle.
| 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | 24 | 25 | 26 | 27 | 28 | 29 | 30 | 31 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Solar energy (kWh/m²) | 5.9 | 5.9 | 5.9 | 5.9 | 5.9 | 5.8 | 5.8 | 5.8 | 5.8 | 5.8 | 5.7 | 5.7 | 5.7 | 5.7 | 5.7 | 5.7 | 5.6 | 5.6 | 5.6 | 5.6 | 5.5 | 5.5 | 5.5 | 5.4 | 5.4 | 5.4 | 5.3 | 5.3 | 5.3 | 5.2 | 5.2 |
| Level | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright |
| Solar energy (kWh/m²) | Level | |
|---|---|---|
| 1 | 5.9 | Bright |
| 2 | 5.9 | Bright |
| 3 | 5.9 | Bright |
| 4 | 5.9 | Bright |
| 5 | 5.9 | Bright |
| 6 | 5.8 | Bright |
| 7 | 5.8 | Bright |
| 8 | 5.8 | Bright |
| 9 | 5.8 | Bright |
| 10 | 5.8 | Bright |
| 11 | 5.7 | Bright |
| 12 | 5.7 | Bright |
| 13 | 5.7 | Bright |
| 14 | 5.7 | Bright |
| 15 | 5.7 | Bright |
| 16 | 5.7 | Bright |
| 17 | 5.6 | Bright |
| 18 | 5.6 | Bright |
| 19 | 5.6 | Bright |
| 20 | 5.6 | Bright |
| 21 | 5.5 | Bright |
| 22 | 5.5 | Bright |
| 23 | 5.5 | Bright |
| 24 | 5.4 | Bright |
| 25 | 5.4 | Bright |
| 26 | 5.4 | Bright |
| 27 | 5.3 | Bright |
| 28 | 5.3 | Bright |
| 29 | 5.3 | Bright |
| 30 | 5.2 | Bright |
| 31 | 5.2 | Bright |
Is August a good time to visit Clarksville?
Our two travel scores rate August for general sightseeing and for beach or pool weather — 0 (poor) to 10 (ideal).
August is a reasonable time to visit Clarksville for sightseeing. The water and warmth also suit a beach or pool day.
What to pack for Clarksville in August
From August's temperature range, rain chance, sun and wind — what's worth putting in the bag.
In August, Clarksville sees daytime highs around 88°F and nights near 69°F. Pack light clothes. Worth having: rain gear and sun protection. About 10 days see rain.
UV index in Clarksville in August
Clear-sky midday UV in August peaks around 8 (very high — sun protection essential). The full-year curve, shaded by WHO exposure level, is below.
Under clear skies, the midday UV index in Clarksville peaks around June 23 at about 9 (very high) — sunscreen, a hat and midday shade are essential. It bottoms out near December 22 at about 2 (moderate).
The index reaches 3 or more — the level where the WHO recommends sun protection — in 10 months of the year.
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| UV index (midday) | 3 | 4 | 6 | 7 | 8 | 9 | 9 | 8 | 7 | 5 | 4 | 2 |
| Level | Moderate | Moderate | High | High | Very high | Very high | Very high | Very high | High | Moderate | Moderate | Moderate |
| UV index (midday) | Level | |
|---|---|---|
| Jan | 3 | Moderate |
| Feb | 4 | Moderate |
| Mar | 6 | High |
| Apr | 7 | High |
| May | 8 | Very high |
| Jun | 9 | Very high |
| Jul | 9 | Very high |
| Aug | 8 | Very high |
| Sep | 7 | High |
| Oct | 5 | Moderate |
| Nov | 4 | Moderate |
| Dec | 2 | Moderate |
Air quality in Clarksville in August
Average fine-particle pollution (PM2.5) through the year — so you can see where August falls, not just the annual average.
Air quality in Clarksville is worst in July — around 19 µg/m³ PM2.5 (moderate), about 2.6× the cleanest month (November, 7 µg/m³).
Modeled monthly averages (CAMS reanalysis, 2015–2024).
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| PM2.5 (µg/m³) | 8 | 9 | 11 | 11 | 14 | 16 | 19 | 15 | 11 | 8 | 7 | 7 |
| Level | Good | Good | Good | Good | Moderate | Moderate | Moderate | Moderate | Good | Good | Good | Good |
| PM2.5 (µg/m³) | Level | |
|---|---|---|
| Jan | 8 | Good |
| Feb | 9 | Good |
| Mar | 11 | Good |
| Apr | 11 | Good |
| May | 14 | Moderate |
| Jun | 16 | Moderate |
| Jul | 19 | Moderate |
| Aug | 15 | Moderate |
| Sep | 11 | Good |
| Oct | 8 | Good |
| Nov | 7 | Good |
| Dec | 7 | Good |
Where is Clarksville?
Clarksville sits at 36.5°N, 87.4°W, 476 ft above sea level, in United States. The nearest listed city is Hopkinsville, 24 mi away.
Topography around Clarksville
How much the land rises and falls, and what covers it, within 2, 10 and 50 miles of Clarksville.
Within 2 miles, the terrain around Clarksville has only modest variations in elevation — a maximum elevation change of 292 ft around an average of 459 ft above sea level; within 10 miles, only modest variations in elevation — a maximum elevation change of 489 ft; within 50 miles, significant variations in elevation — a maximum elevation change of 971 ft.
The land around Clarksville is covered by trees (55%) within 2 miles, trees (54%) and grassland (24%) within 10 miles, and trees (62%) within 50 miles.
United States travel facts
- Power plugs
- Type A / B
- 120 V · 60 Hz
- Prices
- ≈ 100% of US
- price level, 2025
- GDP per capita
- $90,027
- 2025
- Happiness
- 6.8 / 10
- World Happiness, 2025
- Safe drinking water
- 98%
- of population, 2024
- Homicide rate
- 5.8
- per 100k, 2023
- Road deaths
- 12.7
- per 100k/yr, 2019
- Income group
- High
- World Bank
- Religion
Sources: World Bank, US State Department, World Happiness Report, WHO/UNICEF, EF EPI, CIA World Factbook.
Data sources
Temperature, precipitation, cloud, humidity, wind and solar figures are a 1991–2020 climatology for Clarksville (36.5298°, -87.3594°, elevation 476 ft), computed from hourly ERA5 reanalysis — contains modified Copernicus Climate Change Service information. Sun figures are astronomical calculations, not observations. City data © GeoNames, CC BY 4.0. Map outlines from Natural Earth (public domain); interactive map © Google. UV index is derived from CAMS (Copernicus Atmosphere Monitoring Service) clear-sky UV data — contains modified Copernicus Atmosphere Monitoring Service information. Monthly air-quality (PM2.5) seasonality is from the CAMS EAC4 reanalysis (Copernicus Atmosphere Monitoring Service), scaled to the WHO annual mean where available. Topography is sampled from the Copernicus DEM GLO-90 elevation model (© ESA/Airbus) and ESA WorldCover 2021 land cover (CC BY 4.0).