March is one of the cooler months of the year in Grovetown, with average highs near 18.6°C and lows around 6.4°C (mean 12.5°C). It is a relatively wet time of year, averaging 108 mm of rainfall and 80% relative humidity across the period.
March is one of the cooler months of the year in Grovetown. Across 45 years of records, the warmest March in Grovetown was 2012 — when the month averaged 17.2°C — while the coldest was 2013 at 8.9°C. Typical March days reach 18.6°C with nights near 6.4°C. The long-term trend is warming, about 0.5°C per decade.
March is a relatively wet time of year in Grovetown, averaging 108 mm of rainfall. The wettest March on record was 2001 with 216 mm, while the driest was 2004 at 22 mm.
Relative humidity in Grovetown during March averages 80%. The most humid March was 2020 at 87%, and the least humid was 1981 at 73%.
March receives about 4.5 kWh/m²/day of solar energy in Grovetown. The sunniest March was 2004 at 5.1 kWh/m²/day, and the cloudiest was 2003 at 3.7.
Average wind speed in Grovetown during March is 1.2 m/s. The windiest Marchs were 1983, 1996 and 2018 at 1.4 m/s, while the calmest was 2007 at 1 m/s.
Ranked against the other 11 months using 1981–2025 averages.
| Metric | 1980s | 1990s | 2000s | 2010s | 2020s | Change |
|---|---|---|---|---|---|---|
| Avg Temp | 11.8°C | 11.7°C | 12.9°C | 12.5°C | 14.3°C | +2.5°C |
| Avg High | 18.0°C | 17.7°C | 19.1°C | 18.5°C | 20.4°C | +2.4°C |
| Avg Low | 5.6°C | 5.8°C | 6.7°C | 6.5°C | 8.2°C | +2.6°C |
| Avg Rain | 94 mm | 129 mm | 121 mm | 84 mm | 111 mm | +17 mm |
March temperatures in Grovetown have risen by about 2.2°C between 1981–1985 and 2021–2025.
March has ranged from a record low of -7.2°C (1996) to a record high of 28.2°C (2007).
Rainfall in March is a relatively wet time of year, averaging 108 mm, with a wettest year of 216 mm.
A quieter season to visit Grovetown
If your dates are flexible, the more temperate months of May and September tend to be the most comfortable for visiting Grovetown. That said, March — with days averaging 18.6°C and nights around 6.4°C (mean 12.5°C) and higher rainfall (108 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 | 20.9°C | 13.8°C | 6.7°C | 26.0°C | 0.1°C | 86 mm | 73% | 1.3 m/s | 5 |
| 2024 | 20.4°C | 14.2°C | 8.1°C | 25.2°C | -0.1°C | 150 mm | 81% | 1.2 m/s | 4.3 |
| 2023 | 19.7°C | 13.7°C | 7.7°C | 25.9°C | -2.4°C | 116 mm | 79% | 1.1 m/s | 4.6 |
| 2022 | 20.7°C | 14.3°C | 7.8°C | 25.8°C | -5.5°C | 92 mm | 76% | 1.3 m/s | 4.6 |
| 2021 | 19.8°C | 14.0°C | 8.2°C | 28.0°C | 0.0°C | 96 mm | 81% | 1.2 m/s | 4.3 |
| 2020 | 20.7°C | 15.7°C | 10.8°C | 27.7°C | -1.8°C | 126 mm | 87% | 1.1 m/s | 3.9 |
| 2019 | 18.2°C | 12.3°C | 6.4°C | 23.9°C | -4.3°C | 53 mm | 78% | 1.1 m/s | 4.7 |
| 2018 | 17.5°C | 11.3°C | 5.0°C | 25.0°C | -3.3°C | 73 mm | 74% | 1.4 m/s | 4.5 |
| 2017 | 19.3°C | 12.9°C | 6.4°C | 27.9°C | -5.6°C | 49 mm | 75% | 1.2 m/s | 5 |
| 2016 | 20.9°C | 15.0°C | 9.2°C | 26.4°C | 1.7°C | 68 mm | 83% | 1.1 m/s | 4.8 |
| 2015 | 19.5°C | 13.7°C | 7.9°C | 25.7°C | -1.8°C | 83 mm | 82% | 1.1 m/s | 4.1 |
| 2014 | 16.6°C | 10.2°C | 3.8°C | 24.2°C | -3.3°C | 102 mm | 81% | 1.2 m/s | 4.5 |
| 2013 ❄️ | 15.1°C | 8.9°C | 2.8°C | 22.4°C | -4.5°C | 106 mm | 77% | 1.3 m/s | 4.9 |
| 2012 🔥 | 22.8°C | 17.2°C | 11.5°C | 28.1°C | -1.1°C | 69 mm | 80% | 1.2 m/s | 4.6 |
| 2011 | 19.0°C | 13.0°C | 7.1°C | 27.1°C | -0.3°C | 143 mm | 80% | 1.3 m/s | 4.3 |
| 2010 | 16.2°C | 10.4°C | 4.5°C | 23.2°C | -2.9°C | 92 mm | 83% | 1.1 m/s | 4.5 |
| 2009 | 17.9°C | 12.2°C | 6.5°C | 26.3°C | -6.2°C | 165 mm | 82% | 1.1 m/s | 4.3 |
| 2008 | 18.6°C | 12.0°C | 5.4°C | 23.0°C | -3.2°C | 101 mm | 80% | 1.3 m/s | 4.8 |
| 2007 | 21.0°C | 14.4°C | 7.8°C | 28.2°C | -3.8°C | 78 mm | 80% | 1 m/s | 4.7 |
| 2006 | 18.6°C | 12.6°C | 6.5°C | 27.0°C | -1.3°C | 45 mm | 75% | 1.2 m/s | 4.6 |
| 2005 | 17.4°C | 11.2°C | 5.0°C | 25.3°C | -4.3°C | 162 mm | 78% | 1.3 m/s | 4.4 |
| 2004 | 20.5°C | 14.0°C | 7.5°C | 28.1°C | -2.1°C | 22 mm | 74% | 1.3 m/s | 5.1 |
| 2003 | 19.1°C | 14.1°C | 9.0°C | 25.0°C | -0.3°C | 187 mm | 85% | 1.1 m/s | 3.7 |
| 2002 | 20.4°C | 13.8°C | 7.2°C | 27.5°C | -5.5°C | 135 mm | 78% | 1.2 m/s | 4.6 |
| 2001 🌧️ | 16.8°C | 10.9°C | 5.0°C | 22.7°C | -2.3°C | 216 mm | 78% | 1.3 m/s | 4.5 |
| 2000 | 20.5°C | 14.0°C | 7.5°C | 25.3°C | -0.7°C | 98 mm | 77% | 1.2 m/s | 4.8 |
| 1999 | 16.9°C | 10.3°C | 3.8°C | 23.1°C | -2.8°C | 83 mm | 75% | 1.3 m/s | 4.7 |
| 1998 | 16.2°C | 10.6°C | 5.1°C | 25.9°C | -4.7°C | 146 mm | 83% | 1.3 m/s | 4.3 |
| 1997 | 21.3°C | 15.1°C | 9.0°C | 25.5°C | 0.4°C | 49 mm | 80% | 1.2 m/s | 5 |
| 1996 | 14.6°C | 9.0°C | 3.3°C | 21.6°C | -7.2°C | 178 mm | 80% | 1.4 m/s | 4.1 |
| 1995 | 18.7°C | 12.9°C | 7.2°C | 27.1°C | -3.4°C | 53 mm | 82% | 1.1 m/s | 4.3 |
| 1994 | 19.1°C | 12.5°C | 6.0°C | 26.2°C | -1.3°C | 155 mm | 80% | 1.3 m/s | 5 |
| 1993 | 14.8°C | 9.4°C | 4.0°C | 24.0°C | -6.6°C | 200 mm | 84% | 1.3 m/s | 4 |
| 1992 | 17.6°C | 11.3°C | 5.0°C | 23.8°C | -3.0°C | 121 mm | 79% | 1.2 m/s | 4.5 |
| 1991 | 18.4°C | 12.6°C | 6.9°C | 24.9°C | -1.4°C | 185 mm | 83% | 1.3 m/s | 4.4 |
| 1990 | 18.9°C | 13.5°C | 8.0°C | 26.6°C | -1.5°C | 123 mm | 84% | 1.1 m/s | 4.1 |
| 1989 | 18.2°C | 12.5°C | 6.9°C | 25.7°C | -1.6°C | 109 mm | 83% | 1.3 m/s | 4 |
| 1988 | 17.8°C | 11.4°C | 5.0°C | 24.4°C | -4.6°C | 69 mm | 79% | 1.2 m/s | 4.8 |
| 1987 | 17.0°C | 11.2°C | 5.4°C | 24.8°C | -1.6°C | 134 mm | 82% | 1.2 m/s | 4.2 |
| 1986 | 18.5°C | 11.9°C | 5.3°C | 26.9°C | -5.0°C | 79 mm | 77% | 1.2 m/s | 4.7 |
| 1985 | 18.7°C | 12.4°C | 6.0°C | 26.6°C | -3.4°C | 26 mm | 78% | 1.2 m/s | 4.5 |
| 1984 | 17.8°C | 11.5°C | 5.1°C | 24.8°C | -5.0°C | 132 mm | 81% | 1.3 m/s | 4.5 |
| 1983 | 17.0°C | 11.0°C | 5.1°C | 24.1°C | -2.6°C | 166 mm | 82% | 1.4 m/s | — |
| 1982 | 19.4°C | 13.8°C | 8.1°C | 27.1°C | -3.0°C | 55 mm | 83% | 1.1 m/s | — |
| 1981 | 17.2°C | 10.3°C | 3.3°C | 25.9°C | -2.6°C | 74 mm | 73% | 1.3 m/s | — |
Actual recorded March data for each year, 1981–2025 — sourced from NASA POWER.
The average high in March is around 18.6°C with lows near 6.4°C (mean 12.5°C), based on 45 years of NASA POWER data.
March averages 108 mm of rainfall in Grovetown, a relatively wet time of year. The wettest on record was 216 mm in 2001.
The hottest March reached 28.2°C in 2007. The coldest dipped to -7.2°C in 1996.
Comparing the earliest years on record (1981–1985) with the most recent (2021–2025), average March temperatures have risen by about 2.2°C. Daytime highs moved from 18°C to 20.3°C and overnight lows from 5.5°C to 7.7°C over the same span.
March is one of the cooler months of the year in Grovetown and a relatively wet time of year, so plan for around 18.6°C daytime highs and 6.4°C at night.
Not quite — March is the 4th coolest month in Grovetown, averaging 12.5°C.
For March in Grovetown, pack warm layers and a jacket for chilly mornings, with typical highs of 18.6°C and lows of 6.4°C. Bring an umbrella or light rain jacket too.
Relative humidity in March averages 80% — quite humid.
Average wind speed in March is 1.2 m/s. The windiest March on record averaged 1.4 m/s (1983).
The wettest March on record was 2001 with 216 mm. On average, March sees 108 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 Grovetown 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.
