March is one of the cooler months of the year in Clarksville, with average highs near 14.6°C and lows around 2.9°C (mean 8.8°C). It is about average for rainfall, averaging 118 mm of rainfall and 82% relative humidity across the period.
March is one of the cooler months of the year in Clarksville. Across 45 years of records, the warmest March in Clarksville was 2012 — when the month averaged 15°C — while the coldest was 1996 at 5°C. Typical March days reach 14.6°C with nights near 2.9°C. The long-term trend is warming, about 0.4°C per decade.
March is about average for rainfall in Clarksville, averaging 118 mm of rainfall. The wettest March on record was 1997 with 290 mm, while the driest was 1987 at 45 mm.
Relative humidity in Clarksville during March averages 82%. The most humid March was 2020 at 88%, and the least humid was 1981 at 75%.
March receives about 3.9 kWh/m²/day of solar energy in Clarksville. The sunniest Marchs were 1986 and 1987 at 4.6 kWh/m²/day, and the cloudiest was 2020 at 3.2.
Average wind speed in Clarksville during March is 1.4 m/s. The windiest Marchs were 1991 and 1998 at 1.7 m/s, while the calmest was 2015 at 1.2 m/s.
Ranked against the other 11 months using 1981–2025 averages.
| Metric | 1980s | 1990s | 2000s | 2010s | 2020s | Change |
|---|---|---|---|---|---|---|
| Avg Temp | 8.3°C | 8.0°C | 9.1°C | 8.6°C | 10.5°C | +2.2°C |
| Avg High | 14.2°C | 13.7°C | 14.9°C | 14.4°C | 16.4°C | +2.2°C |
| Avg Low | 2.4°C | 2.2°C | 3.2°C | 2.9°C | 4.6°C | +2.2°C |
| Avg Rain | 102 mm | 135 mm | 101 mm | 118 mm | 143 mm | +41 mm |
March temperatures in Clarksville have risen by about 2.3°C between 1981–1985 and 2021–2025.
March has ranged from a record low of -16°C (2015) to a record high of 27.7°C (2007).
Rainfall in March is about average for rainfall, averaging 118 mm, with a wettest year of 290 mm.
A quieter season to visit Clarksville
If your dates are flexible, the more temperate months of September and June tend to be the most comfortable for visiting Clarksville. That said, March — with days averaging 14.6°C and nights around 2.9°C (mean 8.8°C) and higher rainfall (118 mm) — can still be rewarding for travellers who don't mind the cooler conditions, and often means fewer crowds.
| Year | Avg High | Avg Temp | Avg Low | Hottest Day | Coldest Day | Rainfall | Humidity | Wind | Solar |
|---|---|---|---|---|---|---|---|---|---|
| 2025 | 17.0°C | 10.6°C | 4.3°C | 24.7°C | -5.1°C | 128 mm | 79% | 1.6 m/s | 4.4 |
| 2024 | 17.5°C | 11.2°C | 4.8°C | 24.6°C | -4.1°C | 65 mm | 78% | 1.3 m/s | 4.4 |
| 2023 | 15.2°C | 9.1°C | 3.1°C | 24.0°C | -6.2°C | 160 mm | 78% | 1.5 m/s | 4.2 |
| 2022 | 15.7°C | 9.5°C | 3.3°C | 23.8°C | -7.7°C | 122 mm | 82% | 1.5 m/s | 4.2 |
| 2021 | 17.0°C | 11.3°C | 5.6°C | 22.4°C | -1.6°C | 184 mm | 81% | 1.5 m/s | 4 |
| 2020 | 16.0°C | 11.2°C | 6.3°C | 24.6°C | -3.8°C | 197 mm | 88% | 1.4 m/s | 3.2 |
| 2019 | 12.5°C | 6.6°C | 0.7°C | 23.0°C | -10.2°C | 86 mm | 82% | 1.4 m/s | 4.1 |
| 2018 | 13.2°C | 7.9°C | 2.6°C | 21.5°C | -4.6°C | 115 mm | 85% | 1.5 m/s | 3.7 |
| 2017 | 16.0°C | 9.8°C | 3.6°C | 24.5°C | -6.6°C | 133 mm | 78% | 1.5 m/s | 4 |
| 2016 | 16.8°C | 11.2°C | 5.6°C | 25.2°C | -4.8°C | 174 mm | 84% | 1.5 m/s | 3.8 |
| 2015 | 14.0°C | 7.9°C | 1.8°C | 23.4°C | -16.0°C | 131 mm | 84% | 1.2 m/s | 3.8 |
| 2014 | 12.0°C | 5.5°C | -1.0°C | 21.9°C | -15.1°C | 90 mm | 83% | 1.4 m/s | 4.1 |
| 2013 | 10.6°C | 5.1°C | -0.4°C | 20.0°C | -6.0°C | 131 mm | 82% | 1.4 m/s | 3.5 |
| 2012 🔥 | 20.6°C | 15.0°C | 9.4°C | 25.9°C | -2.7°C | 101 mm | 84% | 1.4 m/s | 4.4 |
| 2011 | 14.5°C | 9.0°C | 3.6°C | 25.2°C | -3.1°C | 122 mm | 84% | 1.6 m/s | 3.4 |
| 2010 | 13.9°C | 8.3°C | 2.8°C | 23.0°C | -4.4°C | 93 mm | 84% | 1.3 m/s | 3.8 |
| 2009 | 15.3°C | 9.7°C | 4.2°C | 23.0°C | -6.9°C | 88 mm | 82% | 1.5 m/s | 3.7 |
| 2008 | 13.8°C | 8.3°C | 2.8°C | 20.6°C | -5.1°C | 198 mm | 85% | 1.6 m/s | 3.6 |
| 2007 | 19.2°C | 13.0°C | 6.9°C | 27.7°C | -5.7°C | 59 mm | 81% | 1.3 m/s | 4.3 |
| 2006 | 14.6°C | 8.8°C | 2.9°C | 25.7°C | -5.1°C | 84 mm | 79% | 1.5 m/s | 3.9 |
| 2005 | 12.9°C | 7.3°C | 1.6°C | 22.3°C | -4.9°C | 81 mm | 82% | 1.5 m/s | 4.1 |
| 2004 | 16.0°C | 10.3°C | 4.6°C | 24.8°C | -4.3°C | 100 mm | 80% | 1.4 m/s | 4.1 |
| 2003 | 14.9°C | 9.0°C | 3.1°C | 21.7°C | -5.8°C | 59 mm | 84% | 1.3 m/s | 4.1 |
| 2002 | 14.0°C | 7.9°C | 1.8°C | 22.6°C | -7.7°C | 201 mm | 82% | 1.5 m/s | 3.8 |
| 2001 | 11.6°C | 5.8°C | -0.1°C | 18.7°C | -6.2°C | 58 mm | 79% | 1.3 m/s | 4 |
| 2000 | 17.1°C | 10.5°C | 3.9°C | 25.8°C | -3.5°C | 82 mm | 75% | 1.4 m/s | 4.4 |
| 1999 | 11.5°C | 5.5°C | -0.5°C | 18.7°C | -8.0°C | 105 mm | 81% | 1.4 m/s | 4 |
| 1998 | 13.7°C | 8.3°C | 2.9°C | 25.7°C | -8.9°C | 78 mm | 81% | 1.7 m/s | 3.5 |
| 1997 🌧️ | 16.2°C | 10.0°C | 3.7°C | 24.0°C | -5.4°C | 290 mm | 84% | 1.5 m/s | 4 |
| 1996 ❄️ | 10.8°C | 5.0°C | -0.7°C | 19.6°C | -10.4°C | 149 mm | 80% | 1.6 m/s | 4 |
| 1995 | 16.3°C | 9.8°C | 3.2°C | 23.7°C | -6.8°C | 83 mm | 80% | 1.4 m/s | 4.4 |
| 1994 | 12.9°C | 7.1°C | 1.2°C | 21.9°C | -9.5°C | 176 mm | 85% | 1.4 m/s | 4 |
| 1993 | 11.5°C | 6.7°C | 1.9°C | 23.7°C | -6.7°C | 104 mm | 82% | 1.4 m/s | 3.4 |
| 1992 | 14.8°C | 8.6°C | 2.5°C | 22.4°C | -6.5°C | 134 mm | 83% | 1.4 m/s | 3.9 |
| 1991 | 14.6°C | 9.1°C | 3.5°C | 24.2°C | -4.8°C | 129 mm | 83% | 1.7 m/s | 3.6 |
| 1990 | 15.1°C | 9.8°C | 4.5°C | 24.4°C | -6.1°C | 104 mm | 84% | 1.3 m/s | 3.6 |
| 1989 | 14.4°C | 8.6°C | 2.8°C | 23.0°C | -4.8°C | 176 mm | 87% | 1.4 m/s | 3.8 |
| 1988 | 14.0°C | 8.0°C | 1.9°C | 22.8°C | -5.3°C | 100 mm | 82% | 1.4 m/s | 4.1 |
| 1987 | 15.2°C | 9.0°C | 2.9°C | 22.1°C | -5.1°C | 45 mm | 80% | 1.4 m/s | 4.6 |
| 1986 | 15.4°C | 8.7°C | 1.9°C | 26.4°C | -7.1°C | 82 mm | 77% | 1.5 m/s | 4.6 |
| 1985 | 15.5°C | 9.8°C | 4.2°C | 24.5°C | -4.7°C | 80 mm | 83% | 1.5 m/s | 3.8 |
| 1984 | 11.3°C | 6.0°C | 0.7°C | 22.9°C | -6.8°C | 166 mm | 86% | 1.4 m/s | 3.5 |
| 1983 | 13.3°C | 8.0°C | 2.6°C | 21.8°C | -5.1°C | 103 mm | 83% | 1.5 m/s | — |
| 1982 | 15.5°C | 9.7°C | 3.9°C | 26.8°C | -6.2°C | 76 mm | 83% | 1.4 m/s | — |
| 1981 | 13.2°C | 6.7°C | 0.3°C | 25.0°C | -5.4°C | 89 mm | 75% | 1.4 m/s | — |
Actual recorded March data for each year, 1981–2025 — sourced from NASA POWER.
The average high in March is around 14.6°C with lows near 2.9°C (mean 8.8°C), based on 45 years of NASA POWER data.
March averages 118 mm of rainfall in Clarksville, about average for rainfall. The wettest on record was 290 mm in 1997.
The hottest March reached 27.7°C in 2007. The coldest dipped to -16°C in 2015.
Comparing the earliest years on record (1981–1985) with the most recent (2021–2025), average March temperatures have risen by about 2.3°C. Daytime highs moved from 13.8°C to 16.5°C and overnight lows from 2.3°C to 4.2°C over the same span.
March is one of the cooler months of the year in Clarksville and about average for rainfall, so plan for around 14.6°C daytime highs and 2.9°C at night.
Not quite — March is the 4th coolest month in Clarksville, averaging 8.8°C.
For March in Clarksville, pack warm layers and a jacket for chilly mornings, with typical highs of 14.6°C and lows of 2.9°C. Bring an umbrella or light rain jacket too.
Relative humidity in March averages 82% — quite humid.
Average wind speed in March is 1.4 m/s. The windiest March on record averaged 1.7 m/s (1991).
The wettest March on record was 1997 with 290 mm. On average, March sees 118 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 March, 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 March specifically, along with year-by-year records and how the month has changed over the decades.