March is one of the cooler months of the year in Sugar Land, with average highs near 22.8°C and lows around 11.5°C (mean 17.2°C). It is one of the drier months, averaging 77 mm of rainfall and 79% relative humidity across the period.
March is one of the cooler months of the year in Sugar Land. Across 45 years of records, the warmest March in Sugar Land was 2020 — when the month averaged 21.4°C — while the coldest were 1987, 1996 and 2010 at 14.1°C. Typical March days reach 22.8°C with nights near 11.5°C. The long-term trend is warming, about 0.7°C per decade.
March is one of the drier months in Sugar Land, averaging 77 mm of rainfall. The wettest March on record was 1997 with 187 mm, while the driest was 2019 at 14 mm.
Relative humidity in Sugar Land during March averages 79%. The most humid March was 1997 at 86%, and the least humid was 2013 at 69%.
March receives about 4.5 kWh/m²/day of solar energy in Sugar Land. The sunniest March was 2013 at 5.4 kWh/m²/day, and the cloudiest were 1985 and 1995 at 3.7.
Average wind speed in Sugar Land during March is 3 m/s. The windiest March was 2008 at 3.6 m/s, while the calmest were 2003 and 2015 at 2.4 m/s.
Ranked against the other 11 months using 1981–2025 averages.
| Metric | 1980s | 1990s | 2000s | 2010s | 2020s | Change |
|---|---|---|---|---|---|---|
| Avg Temp | 16.1°C | 16.4°C | 17.4°C | 17.4°C | 19.0°C | +2.9°C |
| Avg High | 21.8°C | 21.9°C | 22.9°C | 23.0°C | 24.9°C | +3.1°C |
| Avg Low | 10.3°C | 11.0°C | 11.8°C | 11.8°C | 13.1°C | +2.8°C |
| Avg Rain | 69 mm | 98 mm | 79 mm | 78 mm | 50 mm | -19 mm |
March temperatures in Sugar Land have risen by about 2.1°C between 1981–1985 and 2021–2025.
March has ranged from a record low of -3.9°C (1989) to a record high of 32°C (2025).
Rainfall in March is one of the drier months, averaging 77 mm, with a wettest year of 187 mm.
One of the best times to visit Sugar Land
March is one of the best times to visit Sugar Land. Expect days averaging 22.8°C and nights around 11.5°C (mean 17.2°C) — cooler than Sugar Land's yearly average — with moderate rainfall (77 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 | 26.2°C | 19.7°C | 13.3°C | 32.0°C | 5.0°C | 51 mm | 73% | 3.1 m/s | 5.1 |
| 2024 | 24.2°C | 18.9°C | 13.6°C | 28.8°C | 7.0°C | 83 mm | 82% | 2.6 m/s | 4 |
| 2023 | 25.0°C | 19.6°C | 14.2°C | 29.2°C | 3.8°C | 35 mm | 77% | 3.3 m/s | 4.1 |
| 2022 | 23.5°C | 16.6°C | 9.8°C | 29.0°C | -0.9°C | 61 mm | 71% | 3.2 m/s | 5.3 |
| 2021 | 24.0°C | 17.8°C | 11.7°C | 29.5°C | 4.7°C | 41 mm | 77% | 3.1 m/s | 4.5 |
| 2020 🔥 | 26.7°C | 21.4°C | 16.1°C | 31.3°C | 7.6°C | 31 mm | 81% | 3.1 m/s | 3.9 |
| 2019 | 21.3°C | 16.1°C | 10.9°C | 27.3°C | -3.0°C | 14 mm | 80% | 2.9 m/s | 3.9 |
| 2018 | 24.5°C | 19.1°C | 13.6°C | 28.4°C | 6.1°C | 69 mm | 76% | 3.1 m/s | 4.8 |
| 2017 | 24.5°C | 19.6°C | 14.6°C | 28.9°C | 4.8°C | 105 mm | 81% | 3.1 m/s | 4.7 |
| 2016 | 24.5°C | 19.0°C | 13.6°C | 30.3°C | 2.8°C | 114 mm | 81% | 3.1 m/s | 4.6 |
| 2015 | 21.9°C | 16.7°C | 11.5°C | 26.8°C | -1.7°C | 176 mm | 84% | 2.4 m/s | 4 |
| 2014 | 20.3°C | 14.6°C | 8.9°C | 27.7°C | -3.9°C | 67 mm | 81% | 3 m/s | 4.2 |
| 2013 | 23.2°C | 16.4°C | 9.6°C | 31.7°C | 1.6°C | 19 mm | 69% | 3.1 m/s | 5.4 |
| 2012 | 24.7°C | 19.9°C | 15.1°C | 28.0°C | 6.4°C | 129 mm | 84% | 2.8 m/s | 4.2 |
| 2011 | 25.1°C | 18.8°C | 12.4°C | 31.2°C | 3.0°C | 41 mm | 76% | 3 m/s | 4.9 |
| 2010 | 20.3°C | 14.1°C | 7.9°C | 24.9°C | 0.4°C | 52 mm | 79% | 2.8 m/s | 5.2 |
| 2009 | 23.7°C | 17.7°C | 11.7°C | 28.8°C | 0.4°C | 75 mm | 75% | 3 m/s | 4.4 |
| 2008 | 22.6°C | 16.7°C | 10.8°C | 27.8°C | 0.3°C | 59 mm | 79% | 3.6 m/s | 4.6 |
| 2007 | 23.0°C | 18.2°C | 13.4°C | 26.9°C | 1.0°C | 174 mm | 83% | 2.8 m/s | 4.5 |
| 2006 | 25.2°C | 19.3°C | 13.4°C | 30.1°C | 1.4°C | 44 mm | 74% | 3.3 m/s | 4.4 |
| 2005 | 21.7°C | 16.1°C | 10.4°C | 27.5°C | 3.6°C | 87 mm | 82% | 2.7 m/s | 4.7 |
| 2004 | 23.8°C | 18.9°C | 14.1°C | 26.8°C | 7.8°C | 51 mm | 82% | 2.7 m/s | 4.3 |
| 2003 | 21.1°C | 15.7°C | 10.3°C | 25.4°C | 1.5°C | 45 mm | 85% | 2.4 m/s | 4.2 |
| 2002 | 22.2°C | 16.4°C | 10.6°C | 28.0°C | -3.7°C | 58 mm | 80% | 3.5 m/s | 4.3 |
| 2001 | 19.9°C | 14.3°C | 8.6°C | 25.5°C | 4.3°C | 153 mm | 81% | 2.7 m/s | 4.3 |
| 2000 | 26.2°C | 20.4°C | 14.5°C | 31.9°C | 4.1°C | 43 mm | 76% | 3.1 m/s | 4.7 |
| 1999 | 23.2°C | 17.8°C | 12.5°C | 27.6°C | 1.0°C | 86 mm | 80% | 3.2 m/s | 4.2 |
| 1998 | 21.0°C | 15.2°C | 9.5°C | 26.8°C | -0.7°C | 53 mm | 79% | 3.5 m/s | 4.6 |
| 1997 🌧️ | 23.0°C | 17.8°C | 12.6°C | 27.6°C | 5.9°C | 187 mm | 86% | 2.9 m/s | 3.9 |
| 1996 | 20.3°C | 14.1°C | 7.9°C | 29.2°C | -2.3°C | 15 mm | 70% | 3.3 m/s | 4.7 |
| 1995 | 21.6°C | 16.7°C | 11.7°C | 29.3°C | -0.2°C | 139 mm | 85% | 2.9 m/s | 3.7 |
| 1994 | 22.4°C | 16.6°C | 10.8°C | 27.8°C | 0.4°C | 58 mm | 79% | 2.9 m/s | 4.4 |
| 1993 | 21.0°C | 15.7°C | 10.3°C | 27.1°C | -2.1°C | 153 mm | 82% | 2.8 m/s | 4.4 |
| 1992 | 21.7°C | 16.6°C | 11.5°C | 26.2°C | 2.4°C | 115 mm | 85% | 2.9 m/s | 4.4 |
| 1991 | 22.4°C | 16.8°C | 11.3°C | 27.4°C | 4.5°C | 56 mm | 80% | 3.2 m/s | 4.5 |
| 1990 | 21.9°C | 17.1°C | 12.3°C | 26.1°C | 3.4°C | 116 mm | 82% | 3.3 m/s | 4.2 |
| 1989 | 21.9°C | 16.0°C | 10.0°C | 29.7°C | -3.9°C | 68 mm | 79% | 3.2 m/s | 4.6 |
| 1988 | 21.5°C | 15.5°C | 9.5°C | 28.4°C | -0.9°C | 124 mm | 77% | 3.3 m/s | 4.1 |
| 1987 ❄️ | 20.2°C | 14.1°C | 7.9°C | 25.0°C | -0.8°C | 20 mm | 77% | 2.6 m/s | 5 |
| 1986 | 23.0°C | 16.8°C | 10.5°C | 27.5°C | 1.3°C | 35 mm | 74% | 2.5 m/s | 5.2 |
| 1985 | 22.7°C | 17.7°C | 12.7°C | 26.8°C | 6.5°C | 147 mm | 85% | 3.2 m/s | 3.7 |
| 1984 | 22.1°C | 16.2°C | 10.4°C | 30.5°C | 1.5°C | 40 mm | 79% | 3.1 m/s | 4.4 |
| 1983 | 20.6°C | 14.6°C | 8.6°C | 25.2°C | 1.1°C | 105 mm | 80% | 3.1 m/s | — |
| 1982 | 22.8°C | 17.7°C | 12.6°C | 28.7°C | -1.0°C | 45 mm | 84% | 3.1 m/s | — |
| 1981 | 21.7°C | 16.0°C | 10.2°C | 30.2°C | 1.8°C | 41 mm | 74% | 2.9 m/s | — |
Actual recorded March data for each year, 1981–2025 — sourced from NASA POWER.
The average high in March is around 22.8°C with lows near 11.5°C (mean 17.2°C), based on 45 years of NASA POWER data.
March averages 77 mm of rainfall in Sugar Land, one of the drier months. The wettest on record was 187 mm in 1997.
The hottest March reached 32°C in 2025. The coldest dipped to -3.9°C in 1989.
Comparing the earliest years on record (1981–1985) with the most recent (2021–2025), average March temperatures have risen by about 2.1°C. Daytime highs moved from 22°C to 24.6°C and overnight lows from 10.9°C to 12.5°C over the same span.
March is one of the cooler months of the year in Sugar Land and one of the drier months, so plan for around 22.8°C daytime highs and 11.5°C at night.
Not quite — March is the 4th coolest month in Sugar Land, averaging 17.2°C.
For March in Sugar Land, pack light layers you can adjust through the day, with typical highs of 22.8°C and lows of 11.5°C. Bring an umbrella or light rain jacket too.
Relative humidity in March averages 79% — quite humid.
Average wind speed in March is 3 m/s. The windiest March on record averaged 3.6 m/s (2008).
The wettest March on record was 1997 with 187 mm. On average, March sees 77 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 Sugar Land 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.
