August is one of the warmer months of the year in Clarksville, with average highs near 32.3°C and lows around 19.9°C (mean 26.1°C). It is one of the drier months, averaging 85 mm of rainfall and 68% relative humidity across the period.
August is one of the warmer months of the year in Clarksville. Across 45 years of records, the warmest August in Clarksville was 2007 — when the month averaged 30.9°C — while the coldest was 2004 at 23°C. Typical August days reach 32.3°C with nights near 19.9°C. The long-term August temperature trend is broadly flat.
August is one of the drier months in Clarksville, averaging 85 mm of rainfall. The wettest August on record was 2005 with 190 mm, while the driest was 1999 at 19 mm.
Relative humidity in Clarksville during August averages 68%. The most humid August was 2016 at 84%, and the least humid was 1999 at 47%.
August receives about 5.6 kWh/m²/day of solar energy in Clarksville. The sunniest August was 2024 at 6.2 kWh/m²/day, and the cloudiest was 1985 at 4.9.
Average wind speed in Clarksville during August is 0.8 m/s. The windiest August was 1999 at 1 m/s, while the calmest was 1996 at 0.6 m/s.
Ranked against the other 11 months using 1981–2025 averages.
| Metric | 1980s | 1990s | 2000s | 2010s | 2020s | Change |
|---|---|---|---|---|---|---|
| Avg Temp | 25.9°C | 25.9°C | 26.6°C | 26.1°C | 25.7°C | -0.2°C |
| Avg High | 32.3°C | 32.4°C | 32.8°C | 32.0°C | 31.6°C | -0.7°C |
| Avg Low | 19.6°C | 19.5°C | 20.4°C | 20.1°C | 19.8°C | +0.2°C |
| Avg Rain | 86 mm | 63 mm | 85 mm | 95 mm | 106 mm | +19 mm |
August temperatures in Clarksville have stayed relatively stable across the record.
August has ranged from a record low of 8.4°C (1986) to a record high of 42.2°C (2007).
Rainfall in August is one of the drier months, averaging 85 mm, with a wettest year of 190 mm.
Daytime highs and overnight lows have shifted differently — highs fell about 0.2°C per decade while lows rose 0.1°C per decade, narrowing the gap between day and night.
One of the best times to visit Clarksville
August is one of the best times to visit Clarksville. Expect days averaging 32.3°C and nights around 19.9°C (mean 26.1°C) — warmer than Clarksville's yearly average — with higher rainfall (85 mm), so conditions are generally comfortable for sightseeing and outdoor plans.
| Year | Avg High | Avg Temp | Avg Low | Hottest Day | Coldest Day | Rainfall | Humidity | Wind | Solar |
|---|---|---|---|---|---|---|---|---|---|
| 2025 | 33.0°C | 26.0°C | 19.1°C | 38.6°C | 11.8°C | 22 mm | 61% | 0.7 m/s | 6.1 |
| 2024 | 34.3°C | 27.0°C | 19.7°C | 40.6°C | 12.9°C | 24 mm | 57% | 0.8 m/s | 6.2 |
| 2023 | 30.3°C | 24.9°C | 19.4°C | 37.5°C | 13.0°C | 178 mm | 78% | 0.8 m/s | 5.3 |
| 2022 | 30.9°C | 25.5°C | 20.1°C | 35.3°C | 15.2°C | 112 mm | 77% | 0.7 m/s | 5.8 |
| 2021 | 31.3°C | 26.0°C | 20.7°C | 34.9°C | 15.0°C | 168 mm | 75% | 0.7 m/s | 5.4 |
| 2020 | 29.6°C | 24.6°C | 19.7°C | 33.2°C | 15.7°C | 130 mm | 81% | 0.8 m/s | 5.4 |
| 2019 | 32.8°C | 26.6°C | 20.5°C | 37.1°C | 17.1°C | 95 mm | 71% | 0.7 m/s | 5.8 |
| 2018 | 32.4°C | 26.6°C | 20.8°C | 36.6°C | 14.8°C | 60 mm | 70% | 0.8 m/s | 5.6 |
| 2017 | 30.7°C | 24.9°C | 19.1°C | 36.4°C | 13.4°C | 164 mm | 70% | 0.8 m/s | 5.4 |
| 2016 | 30.2°C | 25.9°C | 21.6°C | 32.6°C | 15.3°C | 147 mm | 84% | 0.7 m/s | 5.3 |
| 2015 | 30.5°C | 24.5°C | 18.4°C | 34.0°C | 13.2°C | 63 mm | 73% | 0.8 m/s | 5.9 |
| 2014 | 33.1°C | 26.8°C | 20.5°C | 36.1°C | 14.5°C | 109 mm | 67% | 0.8 m/s | 5.4 |
| 2013 | 29.2°C | 24.4°C | 19.5°C | 34.9°C | 11.4°C | 110 mm | 81% | 0.7 m/s | 5.2 |
| 2012 | 33.0°C | 26.0°C | 19.1°C | 38.6°C | 13.4°C | 75 mm | 62% | 0.8 m/s | 5.8 |
| 2011 | 33.7°C | 27.0°C | 20.2°C | 39.2°C | 16.1°C | 53 mm | 65% | 0.8 m/s | 6 |
| 2010 | 34.8°C | 28.2°C | 21.6°C | 40.0°C | 14.0°C | 74 mm | 66% | 0.8 m/s | 6 |
| 2009 | 29.7°C | 24.3°C | 18.8°C | 32.9°C | 12.2°C | 68 mm | 77% | 0.8 m/s | 5.9 |
| 2008 | 32.3°C | 25.8°C | 19.3°C | 36.5°C | 15.0°C | 33 mm | 64% | 0.8 m/s | 5.5 |
| 2007 🔥 | 37.9°C | 30.9°C | 23.9°C | 42.2°C | 20.1°C | 25 mm | 49% | 0.9 m/s | 6 |
| 2006 | 33.3°C | 27.2°C | 21.1°C | 36.9°C | 16.4°C | 98 mm | 70% | 0.8 m/s | 5.5 |
| 2005 🌧️ | 34.1°C | 27.8°C | 21.5°C | 38.0°C | 16.2°C | 190 mm | 67% | 0.8 m/s | 5.5 |
| 2004 ❄️ | 28.6°C | 23.0°C | 17.3°C | 34.1°C | 10.4°C | 115 mm | 74% | 0.9 m/s | 5.5 |
| 2003 | 31.4°C | 26.0°C | 20.6°C | 35.4°C | 17.1°C | 110 mm | 76% | 0.7 m/s | 5.5 |
| 2002 | 33.2°C | 26.9°C | 20.7°C | 38.7°C | 15.2°C | 65 mm | 66% | 0.8 m/s | 5.6 |
| 2001 | 33.1°C | 26.9°C | 20.6°C | 37.1°C | 15.2°C | 88 mm | 66% | 0.8 m/s | 5.4 |
| 2000 | 34.5°C | 27.3°C | 20.2°C | 39.5°C | 14.3°C | 62 mm | 60% | 0.8 m/s | 5.6 |
| 1999 | 34.8°C | 26.9°C | 19.0°C | 39.0°C | 14.2°C | 19 mm | 47% | 1 m/s | 6 |
| 1998 | 31.8°C | 25.7°C | 19.5°C | 36.6°C | 15.4°C | 37 mm | 71% | 0.7 m/s | 5.8 |
| 1997 | 30.9°C | 24.9°C | 19.0°C | 34.7°C | 12.2°C | 89 mm | 70% | 0.9 m/s | 5.4 |
| 1996 | 31.2°C | 25.2°C | 19.1°C | 35.8°C | 15.0°C | 42 mm | 69% | 0.6 m/s | 5.6 |
| 1995 | 34.1°C | 28.2°C | 22.2°C | 38.2°C | 16.2°C | 90 mm | 69% | 0.8 m/s | 5.7 |
| 1994 | 31.8°C | 24.9°C | 18.0°C | 36.0°C | 12.9°C | 76 mm | 66% | 0.8 m/s | 5.8 |
| 1993 | 34.2°C | 27.7°C | 21.1°C | 37.8°C | 15.5°C | 74 mm | 64% | 0.8 m/s | 5.4 |
| 1992 | 29.7°C | 23.7°C | 17.7°C | 34.0°C | 12.7°C | 87 mm | 71% | 0.8 m/s | 5.1 |
| 1991 | 31.6°C | 25.6°C | 19.6°C | 35.2°C | 13.6°C | 67 mm | 69% | 0.8 m/s | 5.6 |
| 1990 | 33.8°C | 26.6°C | 19.4°C | 39.0°C | 12.5°C | 55 mm | 61% | 0.8 m/s | 5.7 |
| 1989 | 30.0°C | 24.6°C | 19.2°C | 34.1°C | 10.6°C | 74 mm | 76% | 0.7 m/s | 5.6 |
| 1988 | 34.5°C | 27.7°C | 20.8°C | 39.7°C | 11.4°C | 90 mm | 61% | 0.7 m/s | 5.4 |
| 1987 | 34.5°C | 27.6°C | 20.7°C | 39.1°C | 15.3°C | 48 mm | 58% | 0.9 m/s | 5.6 |
| 1986 | 31.4°C | 24.8°C | 18.1°C | 35.3°C | 8.4°C | 74 mm | 64% | 0.9 m/s | 5.2 |
| 1985 | 30.1°C | 24.5°C | 19.0°C | 35.9°C | 14.7°C | 149 mm | 75% | 0.8 m/s | 4.9 |
| 1984 | 31.5°C | 25.3°C | 19.1°C | 35.5°C | 13.2°C | 67 mm | 69% | 0.8 m/s | 5.1 |
| 1983 | 35.7°C | 28.8°C | 21.9°C | 39.5°C | 14.9°C | 41 mm | 59% | 0.7 m/s | — |
| 1982 | 31.6°C | 25.1°C | 18.5°C | 36.6°C | 14.4°C | 149 mm | 69% | 0.8 m/s | — |
| 1981 | 31.0°C | 25.1°C | 19.2°C | 34.4°C | 15.1°C | 83 mm | 70% | 0.7 m/s | — |
Actual recorded August data for each year, 1981–2025 — sourced from NASA POWER.
The average high in August is around 32.3°C with lows near 19.9°C (mean 26.1°C), based on 45 years of NASA POWER data.
August averages 85 mm of rainfall in Clarksville, one of the drier months. The wettest on record was 190 mm in 2005.
The hottest August reached 42.2°C in 2007. The coldest dipped to 8.4°C in 1986.
Comparing the earliest years on record (1981–1985) with the most recent (2021–2025), average August temperatures have risen by about 0.1°C. Daytime highs moved from 32°C to 32°C and overnight lows from 19.5°C to 19.8°C over the same span.
August is one of the warmer months of the year in Clarksville and one of the drier months, so plan for around 32.3°C daytime highs and 19.9°C at night.
Not quite — August is the 11th coolest month in Clarksville, averaging 26.1°C.
For August in Clarksville, pack light, breathable clothing and sun protection, with typical highs of 32.3°C and lows of 19.9°C. Bring an umbrella or light rain jacket too.
Relative humidity in August averages 68% — moderately humid.
Average wind speed in August is 0.8 m/s. The windiest August on record averaged 1 m/s (1999).
The wettest August on record was 2005 with 190 mm. On average, August sees 85 mm.
All figures are derived from NASA POWER (Prediction Of Worldwide Energy Resources), based on MERRA-2 satellite reanalysis, covering 1981–2025.
Explore how the weather in Clarksville behaves each August, based on 45 years of NASA POWER climate data from 1981 to 2025. This page breaks down average temperatures, rainfall, humidity, wind and solar radiation for August specifically, along with year-by-year records and how the month has changed over the decades.
