April is close to Sugar Land's year-round average, with average highs near 26.5°C and lows around 15.4°C (mean 21°C). It is one of the drier months, averaging 81 mm of rainfall and 77% relative humidity across the period.
April is close to Sugar Land's year-round average. Across 45 years of records, the warmest Aprils in Sugar Land were 2006 and 2011 — when the month averaged 24.1°C — while the coldest was 1983 at 17.7°C. Typical April days reach 26.5°C with nights near 15.4°C. The long-term trend is warming, about 0.4°C per decade.
April is one of the drier months in Sugar Land, averaging 81 mm of rainfall. The wettest April on record was 2009 with 249 mm, while the driest was 2011 at 4 mm.
Relative humidity in Sugar Land during April averages 77%. The most humid April was 2015 at 86%, and the least humid was 2011 at 66%.
April receives about 5.3 kWh/m²/day of solar energy in Sugar Land. The sunniest April was 1987 at 6.3 kWh/m²/day, and the cloudiest was 2015 at 4.3.
Average wind speed in Sugar Land during April is 3 m/s. The windiest April was 2011 at 3.9 m/s, while the calmest were 1987 and 1992 at 2.3 m/s.
Ranked against the other 11 months using 1981–2025 averages.
| Metric | 1980s | 1990s | 2000s | 2010s | 2020s | Change |
|---|---|---|---|---|---|---|
| Avg Temp | 20.5°C | 20.1°C | 21.0°C | 21.3°C | 22.4°C | +1.9°C |
| Avg High | 26.4°C | 25.5°C | 26.4°C | 26.8°C | 28.1°C | +1.7°C |
| Avg Low | 14.5°C | 14.8°C | 15.7°C | 15.8°C | 16.7°C | +2.2°C |
| Avg Rain | 44 mm | 106 mm | 87 mm | 82 mm | 80 mm | +36 mm |
April temperatures in Sugar Land have risen by about 2°C between 1981–1985 and 2021–2025.
April has ranged from a record low of 0.2°C (1987) to a record high of 35.5°C (2006).
Rainfall in April is one of the drier months, averaging 81 mm, with a wettest year of 249 mm.
One of the best times to visit Sugar Land
April is one of the best times to visit Sugar Land. Expect days averaging 26.5°C and nights around 15.4°C (mean 21°C) — close to Sugar Land's yearly average — with higher rainfall (81 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 | 29.6°C | 23.8°C | 18.1°C | 32.4°C | 6.0°C | 54 mm | 75% | 3.5 m/s | 5.4 |
| 2024 | 27.7°C | 22.6°C | 17.6°C | 30.7°C | 9.3°C | 78 mm | 79% | 3.2 m/s | 4.9 |
| 2023 | 26.2°C | 20.9°C | 15.5°C | 32.1°C | 9.6°C | 140 mm | 78% | 2.9 m/s | 4.8 |
| 2022 | 29.8°C | 23.7°C | 17.5°C | 33.5°C | 7.6°C | 35 mm | 70% | 3.6 m/s | 5.4 |
| 2021 | 27.5°C | 21.6°C | 15.7°C | 32.3°C | 7.8°C | 87 mm | 71% | 3.2 m/s | 4.7 |
| 2020 | 27.8°C | 21.9°C | 16.0°C | 33.6°C | 8.9°C | 86 mm | 75% | 2.9 m/s | 5.1 |
| 2019 | 25.9°C | 20.3°C | 14.7°C | 30.0°C | 4.0°C | 58 mm | 79% | 3.2 m/s | 5.4 |
| 2018 | 26.0°C | 19.9°C | 13.9°C | 30.7°C | 6.4°C | 53 mm | 71% | 3.1 m/s | 5.6 |
| 2017 | 27.1°C | 21.7°C | 16.4°C | 32.0°C | 8.3°C | 88 mm | 77% | 3.1 m/s | 5.7 |
| 2016 | 26.8°C | 21.7°C | 16.6°C | 30.2°C | 9.1°C | 208 mm | 79% | 2.6 m/s | 5.1 |
| 2015 | 26.1°C | 22.0°C | 17.9°C | 29.9°C | 10.5°C | 171 mm | 86% | 2.4 m/s | 4.3 |
| 2014 | 27.1°C | 20.9°C | 14.7°C | 34.7°C | 5.0°C | 22 mm | 73% | 3.3 m/s | 5.4 |
| 2013 | 25.9°C | 19.8°C | 13.7°C | 29.8°C | 5.4°C | 113 mm | 76% | 3.2 m/s | 4.9 |
| 2012 | 27.1°C | 22.1°C | 17.1°C | 29.2°C | 10.1°C | 76 mm | 80% | 2.9 m/s | 6 |
| 2011 | 30.8°C | 24.1°C | 17.3°C | 34.9°C | 7.1°C | 4 mm | 66% | 3.9 m/s | 5.7 |
| 2010 | 25.6°C | 20.4°C | 15.2°C | 30.0°C | 6.8°C | 27 mm | 79% | 3.1 m/s | 5.3 |
| 2009 🌧️ | 25.9°C | 20.3°C | 14.8°C | 30.8°C | 3.8°C | 249 mm | 73% | 3.7 m/s | 5.3 |
| 2008 | 26.8°C | 20.9°C | 15.0°C | 30.6°C | 5.6°C | 50 mm | 74% | 3.1 m/s | 5.5 |
| 2007 | 23.5°C | 18.5°C | 13.5°C | 28.2°C | 1.5°C | 110 mm | 82% | 2.7 m/s | 4.9 |
| 2006 🔥 | 30.3°C | 24.1°C | 17.9°C | 35.5°C | 12.1°C | 53 mm | 72% | 2.9 m/s | 5.8 |
| 2005 | 24.7°C | 19.4°C | 14.0°C | 28.8°C | 6.4°C | 31 mm | 77% | 3 m/s | 5.8 |
| 2004 | 25.0°C | 20.3°C | 15.6°C | 28.1°C | 6.1°C | 113 mm | 82% | 2.9 m/s | 5.1 |
| 2003 | 25.3°C | 20.4°C | 15.4°C | 28.9°C | 3.8°C | 32 mm | 83% | 2.8 m/s | 5 |
| 2002 | 28.0°C | 23.0°C | 18.1°C | 34.8°C | 11.9°C | 84 mm | 80% | 3 m/s | 5.2 |
| 2001 | 26.6°C | 22.0°C | 17.4°C | 29.7°C | 10.2°C | 34 mm | 82% | 3.2 m/s | 5.1 |
| 2000 | 27.6°C | 21.4°C | 15.3°C | 32.8°C | 6.7°C | 109 mm | 73% | 2.8 m/s | 5.6 |
| 1999 | 28.6°C | 22.9°C | 17.3°C | 33.7°C | 6.1°C | 21 mm | 75% | 3.4 m/s | 5.3 |
| 1998 | 25.1°C | 19.2°C | 13.3°C | 29.2°C | 8.3°C | 21 mm | 75% | 2.8 m/s | 5.8 |
| 1997 | 23.1°C | 18.1°C | 13.0°C | 28.9°C | 5.2°C | 186 mm | 83% | 3.2 m/s | 4.7 |
| 1996 | 27.4°C | 20.4°C | 13.4°C | 33.3°C | 3.9°C | 56 mm | 70% | 3.4 m/s | 5.7 |
| 1995 | 25.2°C | 19.9°C | 14.7°C | 29.4°C | 7.2°C | 102 mm | 82% | 2.9 m/s | 5.4 |
| 1994 | 25.7°C | 20.7°C | 15.6°C | 31.2°C | 4.5°C | 87 mm | 81% | 3.1 m/s | 5 |
| 1993 | 23.5°C | 18.0°C | 12.5°C | 28.9°C | 6.3°C | 129 mm | 81% | 3.1 m/s | 5.4 |
| 1992 | 24.6°C | 19.6°C | 14.6°C | 28.5°C | 7.1°C | 138 mm | 84% | 2.3 m/s | 5.2 |
| 1991 | 26.4°C | 22.1°C | 17.9°C | 30.5°C | 8.6°C | 208 mm | 86% | 2.8 m/s | 4.4 |
| 1990 | 25.2°C | 20.2°C | 15.3°C | 30.0°C | 6.3°C | 115 mm | 82% | 3.1 m/s | 5.1 |
| 1989 | 27.1°C | 21.1°C | 15.0°C | 32.1°C | 7.5°C | 38 mm | 74% | 3 m/s | 5.3 |
| 1988 | 26.5°C | 20.0°C | 13.6°C | 32.1°C | 3.6°C | 76 mm | 73% | 2.7 m/s | 5.4 |
| 1987 | 25.6°C | 18.4°C | 11.2°C | 31.7°C | 0.2°C | 5 mm | 72% | 2.3 m/s | 6.3 |
| 1986 | 27.9°C | 22.3°C | 16.6°C | 32.7°C | 10.8°C | 53 mm | 73% | 3.1 m/s | 4.7 |
| 1985 | 25.2°C | 20.5°C | 15.7°C | 29.1°C | 7.6°C | 70 mm | 81% | 3 m/s | 5 |
| 1984 | 27.6°C | 20.9°C | 14.2°C | 33.0°C | 4.8°C | 11 mm | 68% | 3.3 m/s | 5.6 |
| 1983 ❄️ | 23.7°C | 17.7°C | 11.6°C | 28.7°C | 4.4°C | 10 mm | 77% | 3.5 m/s | — |
| 1982 | 25.6°C | 20.0°C | 14.5°C | 31.7°C | 6.5°C | 79 mm | 80% | 3 m/s | — |
| 1981 | 28.7°C | 23.2°C | 17.7°C | 34.2°C | 9.0°C | 55 mm | 75% | 2.8 m/s | — |
Actual recorded April data for each year, 1981–2025 — sourced from NASA POWER.
The average high in April is around 26.5°C with lows near 15.4°C (mean 21°C), based on 45 years of NASA POWER data.
April averages 81 mm of rainfall in Sugar Land, one of the drier months. The wettest on record was 249 mm in 2009.
The hottest April reached 35.5°C in 2006. The coldest dipped to 0.2°C in 1987.
Comparing the earliest years on record (1981–1985) with the most recent (2021–2025), average April temperatures have risen by about 2°C. Daytime highs moved from 26.2°C to 28.2°C and overnight lows from 14.7°C to 16.9°C over the same span.
April is close to Sugar Land's year-round average and one of the drier months, so plan for around 26.5°C daytime highs and 15.4°C at night.
Not quite — April is the 6th coolest month in Sugar Land, averaging 21°C.
For April in Sugar Land, pack light layers you can adjust through the day, with typical highs of 26.5°C and lows of 15.4°C. Bring an umbrella or light rain jacket too.
Relative humidity in April averages 77% — quite humid.
Average wind speed in April is 3 m/s. The windiest April on record averaged 3.9 m/s (2011).
The wettest April on record was 2009 with 249 mm. On average, April sees 81 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 April, 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 April specifically, along with year-by-year records and how the month has changed over the decades.
