October is one of the warmer months of the year in Clarksville, with average highs near 22.2°C and lows around 9.2°C (mean 15.7°C). It is one of the drier months, averaging 92 mm of rainfall and 71% relative humidity across the period.
October is one of the warmer months of the year in Clarksville. Across 45 years of records, the warmest October in Clarksville was 2016 — when the month averaged 19.3°C — while the coldest was 1988 at 11.5°C. Typical October days reach 22.2°C with nights near 9.2°C. The long-term trend is warming, about 0.3°C per decade.
October is one of the drier months in Clarksville, averaging 92 mm of rainfall. The wettest October on record was 2009 with 205 mm, while the driest was 2005 at 3 mm.
Relative humidity in Clarksville during October averages 71%. The most humid October was 2002 at 83%, and the least humid was 2010 at 51%.
October receives about 3.6 kWh/m²/day of solar energy in Clarksville. The sunniest October was 2024 at 4.5 kWh/m²/day, and the cloudiest was 1984 at 2.7.
Average wind speed in Clarksville during October is 1 m/s. The windiest Octobers were 2001 and 2012 at 1.2 m/s, while the calmest were 2003, 2013 and 2024, among others at 0.9 m/s.
Ranked against the other 11 months using 1981–2025 averages.
| Metric | 1980s | 1990s | 2000s | 2010s | 2020s | Change |
|---|---|---|---|---|---|---|
| Avg Temp | 15.3°C | 15.2°C | 15.6°C | 16.1°C | 16.6°C | +1.3°C |
| Avg High | 21.6°C | 22.1°C | 21.9°C | 22.6°C | 23.2°C | +1.6°C |
| Avg Low | 8.9°C | 8.4°C | 9.3°C | 9.6°C | 10.0°C | +1.1°C |
| Avg Rain | 89 mm | 84 mm | 109 mm | 96 mm | 80 mm | -9 mm |
October temperatures in Clarksville have risen by about 0.4°C between 1981–1985 and 2021–2025.
October has ranged from a record low of -5.3°C (1981) to a record high of 36.6°C (2019).
Rainfall in October is one of the drier months, averaging 92 mm, with a wettest year of 205 mm.
A good time to visit Clarksville
October is a good time to visit Clarksville, with days averaging 22.2°C and nights around 9.2°C (mean 15.7°C, warmer than Clarksville's yearly average) and higher rainfall. September and June are marginally more temperate, but October still suits most travellers.
| Year | Avg High | Avg Temp | Avg Low | Hottest Day | Coldest Day | Rainfall | Humidity | Wind | Solar |
|---|---|---|---|---|---|---|---|---|---|
| 2025 | 23.8°C | 17.4°C | 11.1°C | 32.3°C | 4.1°C | 118 mm | 68% | 1 m/s | 3.9 |
| 2024 | 24.7°C | 17.2°C | 9.6°C | 31.0°C | 2.3°C | 15 mm | 65% | 0.9 m/s | 4.5 |
| 2023 | 23.3°C | 16.7°C | 10.1°C | 31.6°C | -3.3°C | 56 mm | 66% | 1 m/s | 3.6 |
| 2022 | 22.6°C | 15.0°C | 7.4°C | 28.7°C | -1.0°C | 43 mm | 59% | 1.1 m/s | 4.2 |
| 2021 | 23.0°C | 17.7°C | 12.4°C | 29.1°C | 4.7°C | 124 mm | 80% | 1 m/s | 3.5 |
| 2020 | 21.9°C | 15.6°C | 9.2°C | 29.1°C | 2.7°C | 122 mm | 76% | 1 m/s | 3.3 |
| 2019 | 23.6°C | 16.6°C | 9.6°C | 36.6°C | -1.9°C | 189 mm | 71% | 1 m/s | 3.7 |
| 2018 | 21.7°C | 16.0°C | 10.3°C | 31.2°C | -0.1°C | 108 mm | 78% | 1 m/s | 3.5 |
| 2017 | 22.4°C | 15.9°C | 9.4°C | 30.1°C | -1.7°C | 132 mm | 74% | 1 m/s | 3.5 |
| 2016 🔥 | 26.4°C | 19.3°C | 12.2°C | 32.0°C | 4.2°C | 11 mm | 66% | 1 m/s | 3.9 |
| 2015 | 22.7°C | 16.4°C | 10.1°C | 30.6°C | 1.0°C | 103 mm | 70% | 1.1 m/s | 3.6 |
| 2014 | 22.0°C | 16.0°C | 10.0°C | 32.3°C | 2.7°C | 158 mm | 77% | 1.1 m/s | 3.5 |
| 2013 | 21.0°C | 15.4°C | 9.8°C | 29.3°C | -3.2°C | 79 mm | 78% | 0.9 m/s | 3.4 |
| 2012 | 19.7°C | 13.6°C | 7.5°C | 27.2°C | -0.4°C | 93 mm | 74% | 1.2 m/s | 3.7 |
| 2011 | 21.8°C | 14.8°C | 7.8°C | 29.4°C | 0.9°C | 37 mm | 66% | 1 m/s | 4.1 |
| 2010 | 24.9°C | 17.0°C | 9.2°C | 32.5°C | 0.8°C | 46 mm | 51% | 1 m/s | 4.3 |
| 2009 🌧️ | 18.5°C | 13.0°C | 7.5°C | 25.7°C | 0.1°C | 205 mm | 83% | 1.1 m/s | 2.8 |
| 2008 | 22.7°C | 15.8°C | 8.8°C | 30.2°C | -0.8°C | 96 mm | 64% | 1 m/s | 4.1 |
| 2007 | 24.3°C | 18.0°C | 11.8°C | 33.2°C | 1.1°C | 192 mm | 71% | 1.1 m/s | 3.7 |
| 2006 | 19.3°C | 13.1°C | 7.0°C | 29.6°C | -2.4°C | 89 mm | 76% | 1.1 m/s | 3.5 |
| 2005 | 23.2°C | 16.3°C | 9.3°C | 32.3°C | 0.3°C | 3 mm | 67% | 1 m/s | 3.7 |
| 2004 | 23.6°C | 17.6°C | 11.5°C | 29.1°C | 4.2°C | 137 mm | 75% | 1 m/s | 3.1 |
| 2003 | 21.5°C | 15.2°C | 8.8°C | 26.7°C | 1.5°C | 59 mm | 73% | 0.9 m/s | 3.8 |
| 2002 | 19.6°C | 14.8°C | 10.0°C | 29.4°C | 3.0°C | 129 mm | 83% | 1 m/s | 2.8 |
| 2001 | 21.1°C | 14.2°C | 7.4°C | 28.3°C | -2.3°C | 161 mm | 70% | 1.2 m/s | 4.1 |
| 2000 | 25.5°C | 18.0°C | 10.5°C | 32.2°C | -1.4°C | 16 mm | 60% | 0.9 m/s | 3.9 |
| 1999 | 23.2°C | 15.6°C | 8.1°C | 30.5°C | -0.2°C | 75 mm | 61% | 1 m/s | 4 |
| 1998 | 24.5°C | 17.4°C | 10.4°C | 31.9°C | 1.2°C | 78 mm | 64% | 1 m/s | 4.1 |
| 1997 | 22.1°C | 15.1°C | 8.1°C | 31.3°C | -0.6°C | 54 mm | 68% | 1 m/s | 3.8 |
| 1996 | 20.7°C | 14.6°C | 8.5°C | 26.3°C | 1.0°C | 96 mm | 77% | 1 m/s | 3.5 |
| 1995 | 22.3°C | 15.3°C | 8.4°C | 28.8°C | 2.0°C | 90 mm | 69% | 1.1 m/s | 3.7 |
| 1994 | 21.8°C | 15.4°C | 9.1°C | 28.8°C | -0.1°C | 83 mm | 73% | 1 m/s | 3.3 |
| 1993 | 20.3°C | 13.8°C | 7.3°C | 30.1°C | -2.9°C | 76 mm | 73% | 1 m/s | 3.2 |
| 1992 | 22.4°C | 15.1°C | 7.8°C | 29.0°C | -2.3°C | 47 mm | 68% | 1 m/s | 3.4 |
| 1991 | 22.3°C | 16.0°C | 9.6°C | 29.4°C | -0.3°C | 102 mm | 69% | 1.1 m/s | 3.7 |
| 1990 | 21.1°C | 14.0°C | 7.0°C | 29.9°C | -0.4°C | 137 mm | 72% | 1 m/s | 3.9 |
| 1989 | 21.3°C | 14.8°C | 8.2°C | 28.7°C | 0.1°C | 81 mm | 76% | 1 m/s | 3.8 |
| 1988 ❄️ | 17.9°C | 11.5°C | 5.1°C | 23.6°C | -1.1°C | 74 mm | 68% | 1 m/s | 3.5 |
| 1987 | 20.4°C | 12.8°C | 5.2°C | 27.4°C | -1.6°C | 16 mm | 56% | 1 m/s | 3.7 |
| 1986 | 22.4°C | 16.3°C | 10.1°C | 30.9°C | 2.9°C | 76 mm | 73% | 1 m/s | 3.2 |
| 1985 | 22.6°C | 17.1°C | 11.5°C | 29.5°C | 3.6°C | 127 mm | 78% | 1 m/s | 3 |
| 1984 | 23.6°C | 18.2°C | 12.8°C | 27.6°C | 3.4°C | 179 mm | 79% | 1 m/s | 2.7 |
| 1983 | 23.7°C | 16.9°C | 10.2°C | 31.4°C | 3.0°C | 109 mm | 69% | 1 m/s | — |
| 1982 | 21.7°C | 15.3°C | 8.9°C | 29.8°C | -1.4°C | 37 mm | 73% | 0.9 m/s | — |
| 1981 | 20.9°C | 14.4°C | 7.8°C | 28.6°C | -5.3°C | 99 mm | 71% | 1 m/s | — |
Actual recorded October data for each year, 1981–2025 — sourced from NASA POWER.
The average high in October is around 22.2°C with lows near 9.2°C (mean 15.7°C), based on 45 years of NASA POWER data.
October averages 92 mm of rainfall in Clarksville, one of the drier months. The wettest on record was 205 mm in 2009.
The hottest October reached 36.6°C in 2019. The coldest dipped to -5.3°C in 1981.
Comparing the earliest years on record (1981–1985) with the most recent (2021–2025), average October temperatures have risen by about 0.4°C — but days and nights have moved in opposite directions. Daytime highs rose from 22.5°C to 23.5°C while overnight lows fell from 10.2°C to 10.1°C, widening the gap between day and night.
October is one of the warmer months of the year in Clarksville and one of the drier months, so plan for around 22.2°C daytime highs and 9.2°C at night.
Not quite — October is the 7th coolest month in Clarksville, averaging 15.7°C.
For October in Clarksville, pack light layers you can adjust through the day, with typical highs of 22.2°C and lows of 9.2°C. Bring an umbrella or light rain jacket too.
Relative humidity in October averages 71% — moderately humid.
Average wind speed in October is 1 m/s. The windiest October on record averaged 1.2 m/s (2001).
The wettest October on record was 2009 with 205 mm. On average, October sees 92 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 October, 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 October specifically, along with year-by-year records and how the month has changed over the decades.
