March is one of the cooler months of the year in Collierville, with average highs near 16.4°C and lows around 4.8°C (mean 10.6°C). It is a relatively wet time of year, averaging 137 mm of rainfall and 82% relative humidity across the period.
March is one of the cooler months of the year in Collierville. Across 45 years of records, the warmest March in Collierville was 2012 — when the month averaged 16.1°C — while the coldest was 2013 at 7.1°C. Typical March days reach 16.4°C with nights near 4.8°C. The long-term trend is warming, about 0.4°C per decade.
March is a relatively wet time of year in Collierville, averaging 137 mm of rainfall. The wettest March on record was 2016 with 285 mm, while the driest was 2007 at 34 mm.
Relative humidity in Collierville during March averages 82%. The most humid March was 2020 at 88%, and the least humid was 1986 at 73%.
March receives about 4.1 kWh/m²/day of solar energy in Collierville. The sunniest March was 1986 at 4.8 kWh/m²/day, and the cloudiest was 2020 at 3.3.
Average wind speed in Collierville during March is 2 m/s. The windiest March was 1991 at 2.4 m/s, while the calmest was 2015 at 1.6 m/s.
Ranked against the other 11 months using 1981–2025 averages.
| Metric | 1980s | 1990s | 2000s | 2010s | 2020s | Change |
|---|---|---|---|---|---|---|
| Avg Temp | 10.1°C | 9.9°C | 10.8°C | 10.5°C | 12.2°C | +2.1°C |
| Avg High | 16.1°C | 15.6°C | 16.7°C | 16.2°C | 18.1°C | +2°C |
| Avg Low | 4.2°C | 4.2°C | 5.0°C | 4.7°C | 6.4°C | +2.2°C |
| Avg Rain | 106 mm | 152 mm | 116 mm | 138 mm | 193 mm | +88 mm |
March temperatures in Collierville have risen by about 2°C between 1981–1985 and 2021–2025.
March has ranged from a record low of -13.1°C (2014) to a record high of 28.1°C (2007).
Rainfall in March is a relatively wet time of year, averaging 137 mm, with a wettest year of 285 mm.
A quieter season to visit Collierville
If your dates are flexible, the more temperate months of September and May tend to be the most comfortable for visiting Collierville. That said, March — with days averaging 16.4°C and nights around 4.8°C (mean 10.6°C) and higher rainfall (137 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 | 18.9°C | 12.6°C | 6.2°C | 25.5°C | -3.0°C | 155 mm | 78% | 2.3 m/s | 4.6 |
| 2024 | 18.5°C | 12.5°C | 6.5°C | 24.3°C | -2.3°C | 112 mm | 80% | 1.8 m/s | 4.4 |
| 2023 | 16.7°C | 11.1°C | 5.5°C | 25.0°C | -5.7°C | 197 mm | 81% | 2 m/s | 4.2 |
| 2022 | 17.3°C | 10.8°C | 4.3°C | 24.5°C | -5.3°C | 138 mm | 80% | 2.1 m/s | 4.4 |
| 2021 | 18.9°C | 13.0°C | 7.2°C | 25.4°C | -1.2°C | 276 mm | 82% | 1.9 m/s | 4.1 |
| 2020 | 18.3°C | 13.4°C | 8.6°C | 26.0°C | -1.9°C | 281 mm | 88% | 2 m/s | 3.3 |
| 2019 | 14.6°C | 9.0°C | 3.3°C | 23.3°C | -7.1°C | 108 mm | 81% | 1.9 m/s | 4.4 |
| 2018 | 15.8°C | 10.2°C | 4.5°C | 22.7°C | -2.6°C | 131 mm | 84% | 2 m/s | 4 |
| 2017 | 17.9°C | 11.8°C | 5.7°C | 26.4°C | -5.9°C | 114 mm | 78% | 2.2 m/s | 4.3 |
| 2016 🌧️ | 17.9°C | 12.5°C | 7.1°C | 25.3°C | -1.8°C | 285 mm | 85% | 2 m/s | 4 |
| 2015 | 15.9°C | 10.1°C | 4.4°C | 23.6°C | -12.1°C | 139 mm | 85% | 1.6 m/s | 3.4 |
| 2014 | 14.3°C | 7.6°C | 0.9°C | 23.0°C | -13.1°C | 107 mm | 82% | 1.9 m/s | 4.3 |
| 2013 ❄️ | 12.7°C | 7.1°C | 1.4°C | 22.1°C | -5.5°C | 115 mm | 81% | 2 m/s | 3.7 |
| 2012 🔥 | 21.5°C | 16.1°C | 10.7°C | 26.6°C | -0.7°C | 129 mm | 84% | 2 m/s | 4.5 |
| 2011 | 16.8°C | 11.1°C | 5.4°C | 25.9°C | -1.5°C | 139 mm | 83% | 2 m/s | 3.5 |
| 2010 | 14.8°C | 9.2°C | 3.6°C | 22.5°C | -3.4°C | 114 mm | 84% | 1.8 m/s | 4 |
| 2009 | 16.5°C | 11.0°C | 5.4°C | 24.5°C | -7.0°C | 138 mm | 81% | 2.1 m/s | 4 |
| 2008 | 16.5°C | 10.6°C | 4.8°C | 22.6°C | -3.9°C | 229 mm | 83% | 2.3 m/s | 4 |
| 2007 | 21.4°C | 15.1°C | 8.8°C | 28.1°C | -5.4°C | 34 mm | 78% | 1.8 m/s | 4.5 |
| 2006 | 16.6°C | 10.7°C | 4.8°C | 26.6°C | -3.4°C | 98 mm | 79% | 2.1 m/s | 4.4 |
| 2005 | 15.1°C | 9.3°C | 3.6°C | 23.5°C | -3.3°C | 83 mm | 81% | 2 m/s | 4.6 |
| 2004 | 17.9°C | 12.3°C | 6.8°C | 25.0°C | -2.9°C | 90 mm | 80% | 1.9 m/s | 4.4 |
| 2003 | 16.5°C | 10.5°C | 4.6°C | 23.1°C | -4.1°C | 71 mm | 84% | 1.7 m/s | 4.2 |
| 2002 | 15.0°C | 9.1°C | 3.2°C | 23.5°C | -6.7°C | 251 mm | 85% | 2.1 m/s | 3.7 |
| 2001 | 12.9°C | 7.5°C | 2.0°C | 20.7°C | -3.9°C | 72 mm | 81% | 1.7 m/s | 4.1 |
| 2000 | 18.5°C | 12.2°C | 5.9°C | 25.1°C | -3.7°C | 98 mm | 76% | 1.8 m/s | 4.3 |
| 1999 | 14.1°C | 8.0°C | 2.0°C | 18.6°C | -4.2°C | 165 mm | 81% | 2 m/s | 4.1 |
| 1998 | 14.6°C | 9.6°C | 4.7°C | 25.6°C | -6.3°C | 140 mm | 85% | 2.3 m/s | 3.4 |
| 1997 | 17.9°C | 12.0°C | 6.1°C | 25.4°C | -3.8°C | 215 mm | 84% | 2 m/s | 4.3 |
| 1996 | 13.5°C | 7.2°C | 1.0°C | 22.3°C | -10.2°C | 137 mm | 78% | 2.2 m/s | 4.3 |
| 1995 | 17.5°C | 11.5°C | 5.4°C | 25.2°C | -5.3°C | 113 mm | 81% | 2 m/s | 4.4 |
| 1994 | 15.8°C | 9.7°C | 3.6°C | 22.5°C | -5.5°C | 195 mm | 84% | 2 m/s | 4.2 |
| 1993 | 13.9°C | 8.7°C | 3.5°C | 25.2°C | -6.5°C | 97 mm | 81% | 2 m/s | 3.6 |
| 1992 | 15.9°C | 10.0°C | 4.0°C | 22.9°C | -6.0°C | 175 mm | 82% | 2 m/s | 4.1 |
| 1991 | 16.1°C | 10.5°C | 4.9°C | 25.6°C | -3.3°C | 132 mm | 84% | 2.4 m/s | 3.7 |
| 1990 | 16.8°C | 11.5°C | 6.3°C | 24.2°C | -4.5°C | 152 mm | 85% | 1.9 m/s | 3.5 |
| 1989 | 16.1°C | 10.3°C | 4.5°C | 24.4°C | -3.8°C | 149 mm | 87% | 2 m/s | 3.7 |
| 1988 | 15.8°C | 9.6°C | 3.4°C | 22.8°C | -5.6°C | 117 mm | 81% | 2 m/s | 4.1 |
| 1987 | 16.5°C | 10.6°C | 4.8°C | 23.3°C | -4.6°C | 79 mm | 81% | 1.9 m/s | 4.7 |
| 1986 | 18.1°C | 10.9°C | 3.8°C | 26.2°C | -6.8°C | 67 mm | 73% | 1.9 m/s | 4.8 |
| 1985 | 17.4°C | 11.8°C | 6.1°C | 25.5°C | -2.6°C | 78 mm | 83% | 2.2 m/s | 3.9 |
| 1984 | 14.3°C | 8.6°C | 3.0°C | 23.9°C | -5.2°C | 153 mm | 85% | 2 m/s | 3.8 |
| 1983 | 14.4°C | 9.0°C | 3.7°C | 22.8°C | -4.6°C | 95 mm | 84% | 2 m/s | — |
| 1982 | 17.5°C | 11.8°C | 6.2°C | 26.0°C | -5.4°C | 88 mm | 82% | 2.1 m/s | — |
| 1981 | 15.2°C | 8.6°C | 2.0°C | 24.8°C | -3.9°C | 125 mm | 74% | 1.9 m/s | — |
Actual recorded March data for each year, 1981–2025 — sourced from NASA POWER.
The average high in March is around 16.4°C with lows near 4.8°C (mean 10.6°C), based on 45 years of NASA POWER data.
March averages 137 mm of rainfall in Collierville, a relatively wet time of year. The wettest on record was 285 mm in 2016.
The hottest March reached 28.1°C in 2007. The coldest dipped to -13.1°C in 2014.
Comparing the earliest years on record (1981–1985) with the most recent (2021–2025), average March temperatures have risen by about 2°C. Daytime highs moved from 15.8°C to 18.1°C and overnight lows from 4.2°C to 5.9°C over the same span.
March is one of the cooler months of the year in Collierville and a relatively wet time of year, so plan for around 16.4°C daytime highs and 4.8°C at night.
Not quite — March is the 5th coolest month in Collierville, averaging 10.6°C.
For March in Collierville, pack warm layers and a jacket for chilly mornings, with typical highs of 16.4°C and lows of 4.8°C. Bring an umbrella or light rain jacket too.
Relative humidity in March averages 82% — quite humid.
Average wind speed in March is 2 m/s. The windiest March on record averaged 2.4 m/s (1991).
The wettest March on record was 2016 with 285 mm. On average, March sees 137 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 Collierville 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.
