July is one of the warmer months of the year in Sugar Land, with average highs near 33.4°C and lows around 24.3°C (mean 28.9°C). It is about average for rainfall, averaging 109 mm of rainfall and 76% relative humidity across the period.
July is one of the warmer months of the year in Sugar Land. Across 45 years of records, the warmest July in Sugar Land was 2023 — when the month averaged 32.5°C — while the coldest was 2007 at 26.5°C. Typical July days reach 33.4°C with nights near 24.3°C. The long-term trend is warming, about 0.4°C per decade.
July is about average for rainfall in Sugar Land, averaging 109 mm of rainfall. The wettest July on record was 2024 with 332 mm, while the driest was 1993 at 20 mm.
Relative humidity in Sugar Land during July averages 76%. The most humid July was 2007 at 88%, and the least humid was 2000 at 61%.
July receives about 6.2 kWh/m²/day of solar energy in Sugar Land. The sunniest July was 2015 at 7 kWh/m²/day, and the cloudiest was 2007 at 4.7.
Average wind speed in Sugar Land during July is 2.1 m/s. The windiest July was 2022 at 2.7 m/s, while the calmest was 1997 at 1.6 m/s.
Ranked against the other 11 months using 1981–2025 averages.
| Metric | 1980s | 1990s | 2000s | 2010s | 2020s | Change |
|---|---|---|---|---|---|---|
| Avg Temp | 28.2°C | 28.4°C | 28.7°C | 29.2°C | 30.0°C | +1.8°C |
| Avg High | 32.7°C | 32.7°C | 33.2°C | 33.9°C | 34.9°C | +2.2°C |
| Avg Low | 23.7°C | 24.0°C | 24.3°C | 24.5°C | 25.1°C | +1.4°C |
| Avg Rain | 112 mm | 74 mm | 131 mm | 104 mm | 132 mm | +21 mm |
July temperatures in Sugar Land have risen by about 1.9°C between 1981–1985 and 2021–2025.
July has ranged from a record low of 18.4°C (1990) to a record high of 42°C (2023).
Rainfall in July is about average for rainfall, averaging 109 mm, with a wettest year of 332 mm.
Daytime highs and overnight lows have shifted differently — highs rose about 0.6°C per decade while lows rose 0.3°C per decade, widening the gap between day and night.
A good time to visit Sugar Land
July is a good time to visit Sugar Land, with days averaging 33.4°C and nights around 24.3°C (mean 28.9°C, warmer than Sugar Land's yearly average) and higher rainfall. April and October are marginally more temperate, but July still suits most travellers.
| Year | Avg High | Avg Temp | Avg Low | Hottest Day | Coldest Day | Rainfall | Humidity | Wind | Solar |
|---|---|---|---|---|---|---|---|---|---|
| 2025 | 34.4°C | 29.6°C | 24.7°C | 37.5°C | 22.0°C | 79 mm | 75% | 2 m/s | 6 |
| 2024 🌧️ | 32.7°C | 28.8°C | 25.0°C | 39.0°C | 23.6°C | 332 mm | 80% | 1.8 m/s | 5.2 |
| 2023 🔥 | 38.9°C | 32.5°C | 26.0°C | 42.0°C | 24.1°C | 40 mm | 64% | 2.4 m/s | 6.6 |
| 2022 | 37.8°C | 31.9°C | 26.0°C | 41.3°C | 24.7°C | 40 mm | 64% | 2.7 m/s | 6.8 |
| 2021 | 31.3°C | 27.6°C | 24.0°C | 33.5°C | 22.2°C | 182 mm | 83% | 1.7 m/s | 5.7 |
| 2020 | 34.1°C | 29.6°C | 25.0°C | 38.8°C | 22.8°C | 120 mm | 76% | 2.5 m/s | 6.1 |
| 2019 | 34.3°C | 29.3°C | 24.3°C | 37.4°C | 19.2°C | 39 mm | 73% | 2.3 m/s | 6.5 |
| 2018 | 35.2°C | 29.5°C | 23.9°C | 39.6°C | 22.2°C | 108 mm | 71% | 1.9 m/s | 6.5 |
| 2017 | 33.9°C | 29.3°C | 24.6°C | 38.5°C | 22.2°C | 87 mm | 75% | 1.9 m/s | 6.2 |
| 2016 | 33.0°C | 29.1°C | 25.1°C | 36.2°C | 24.0°C | 85 mm | 79% | 2.3 m/s | 6.6 |
| 2015 | 33.3°C | 28.6°C | 24.0°C | 37.0°C | 21.0°C | 23 mm | 80% | 2.1 m/s | 7 |
| 2014 | 34.1°C | 29.1°C | 24.0°C | 37.7°C | 22.7°C | 98 mm | 74% | 1.8 m/s | 5.8 |
| 2013 | 35.2°C | 29.8°C | 24.5°C | 38.7°C | 21.4°C | 85 mm | 66% | 2.4 m/s | 6.2 |
| 2012 | 31.5°C | 27.8°C | 24.1°C | 35.4°C | 23.2°C | 193 mm | 81% | 1.8 m/s | 5.7 |
| 2011 | 36.6°C | 31.2°C | 25.7°C | 39.4°C | 24.1°C | 66 mm | 63% | 2.4 m/s | 6.4 |
| 2010 | 31.9°C | 28.3°C | 24.8°C | 34.2°C | 22.7°C | 258 mm | 82% | 2 m/s | 5.7 |
| 2009 | 37.0°C | 31.3°C | 25.5°C | 39.8°C | 24.1°C | 69 mm | 66% | 2.6 m/s | 6.4 |
| 2008 | 34.7°C | 29.3°C | 24.0°C | 37.9°C | 21.9°C | 86 mm | 70% | 2.3 m/s | 6.5 |
| 2007 ❄️ | 29.3°C | 26.5°C | 23.6°C | 32.0°C | 22.2°C | 273 mm | 88% | 1.8 m/s | 4.7 |
| 2006 | 30.8°C | 27.4°C | 24.1°C | 33.9°C | 22.7°C | 254 mm | 84% | 1.8 m/s | 5.4 |
| 2005 | 34.6°C | 29.8°C | 25.1°C | 40.9°C | 21.3°C | 162 mm | 73% | 1.9 m/s | 6.2 |
| 2004 | 31.8°C | 27.7°C | 23.7°C | 33.6°C | 21.6°C | 73 mm | 81% | 1.8 m/s | 6.5 |
| 2003 | 31.5°C | 27.8°C | 24.2°C | 34.0°C | 22.8°C | 149 mm | 81% | 2 m/s | 5.5 |
| 2002 | 32.1°C | 28.2°C | 24.2°C | 36.1°C | 22.8°C | 124 mm | 80% | 2.1 m/s | 6.2 |
| 2001 | 32.7°C | 28.5°C | 24.2°C | 36.2°C | 23.0°C | 87 mm | 79% | 1.8 m/s | 6.3 |
| 2000 | 37.1°C | 30.9°C | 24.6°C | 41.8°C | 22.5°C | 35 mm | 61% | 2.5 m/s | 6.9 |
| 1999 | 32.2°C | 28.2°C | 24.1°C | 36.4°C | 22.3°C | 120 mm | 78% | 1.9 m/s | 6.2 |
| 1998 | 35.7°C | 30.4°C | 25.0°C | 40.0°C | 23.3°C | 38 mm | 71% | 2.4 m/s | 6.8 |
| 1997 | 33.0°C | 28.5°C | 24.1°C | 34.5°C | 22.0°C | 60 mm | 78% | 1.6 m/s | 6.6 |
| 1996 | 34.6°C | 29.6°C | 24.6°C | 37.3°C | 22.9°C | 39 mm | 70% | 2.2 m/s | 6.7 |
| 1995 | 32.8°C | 28.5°C | 24.1°C | 38.7°C | 21.6°C | 99 mm | 77% | 2.3 m/s | 6.6 |
| 1994 | 33.6°C | 28.8°C | 23.9°C | 37.6°C | 20.2°C | 40 mm | 72% | 2.5 m/s | 6.6 |
| 1993 | 31.8°C | 27.8°C | 23.8°C | 33.7°C | 22.5°C | 20 mm | 82% | 2.2 m/s | 6.9 |
| 1992 | 30.5°C | 27.2°C | 23.9°C | 32.5°C | 22.3°C | 106 mm | 85% | 2.1 m/s | 6.1 |
| 1991 | 30.5°C | 27.0°C | 23.5°C | 33.6°C | 21.8°C | 105 mm | 84% | 1.7 m/s | 6.4 |
| 1990 | 32.6°C | 28.0°C | 23.4°C | 37.6°C | 18.4°C | 117 mm | 74% | 2.1 m/s | 5.8 |
| 1989 | 30.9°C | 27.1°C | 23.2°C | 33.6°C | 19.8°C | 127 mm | 82% | 2 m/s | 6.2 |
| 1988 | 33.4°C | 28.8°C | 24.2°C | 36.7°C | 21.0°C | 115 mm | 74% | 2.4 m/s | 5.9 |
| 1987 | 31.0°C | 27.3°C | 23.5°C | 32.7°C | 21.6°C | 131 mm | 82% | 2.1 m/s | 6.2 |
| 1986 | 35.1°C | 29.6°C | 24.0°C | 41.0°C | 22.4°C | 24 mm | 69% | 2.3 m/s | 6.8 |
| 1985 | 32.0°C | 27.4°C | 22.7°C | 36.5°C | 20.2°C | 112 mm | 78% | 2.1 m/s | 6.4 |
| 1984 | 34.1°C | 28.9°C | 23.7°C | 37.8°C | 20.7°C | 90 mm | 69% | 2.1 m/s | 6.6 |
| 1983 | 31.6°C | 27.7°C | 23.8°C | 34.2°C | 22.3°C | 214 mm | 80% | 2.2 m/s | — |
| 1982 | 34.8°C | 29.5°C | 24.2°C | 37.5°C | 22.5°C | 42 mm | 70% | 2.4 m/s | — |
| 1981 | 31.4°C | 27.7°C | 23.9°C | 34.1°C | 22.7°C | 149 mm | 83% | 1.9 m/s | — |
Actual recorded July data for each year, 1981–2025 — sourced from NASA POWER.
The average high in July is around 33.4°C with lows near 24.3°C (mean 28.9°C), based on 45 years of NASA POWER data.
July averages 109 mm of rainfall in Sugar Land, about average for rainfall. The wettest on record was 332 mm in 2024.
The hottest July reached 42°C in 2023. The coldest dipped to 18.4°C in 1990.
Comparing the earliest years on record (1981–1985) with the most recent (2021–2025), average July temperatures have risen by about 1.9°C. Daytime highs moved from 32.8°C to 35°C and overnight lows from 23.7°C to 25.1°C over the same span.
July is one of the warmer months of the year in Sugar Land and about average for rainfall, so plan for around 33.4°C daytime highs and 24.3°C at night.
Not quite — July is the 11th coolest month in Sugar Land, averaging 28.9°C.
For July in Sugar Land, pack light, breathable clothing and sun protection, with typical highs of 33.4°C and lows of 24.3°C. Bring an umbrella or light rain jacket too.
Relative humidity in July averages 76% — quite humid.
Average wind speed in July is 2.1 m/s. The windiest July on record averaged 2.7 m/s (2022).
The wettest July on record was 2024 with 332 mm. On average, July sees 109 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 July, 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 July specifically, along with year-by-year records and how the month has changed over the decades.
