August is one of the warmer months of the year in Conroe, with average highs near 35.8°C and lows around 23.6°C (mean 29.7°C). It is about average for rainfall, averaging 94 mm of rainfall and 68% relative humidity across the period.
August is one of the warmer months of the year in Conroe. Across 45 years of records, the warmest August in Conroe was 2023 — when the month averaged 34.1°C — while the coldest was 1992 at 27.4°C. Typical August days reach 35.8°C with nights near 23.6°C. The long-term trend is warming, about 0.4°C per decade.
August is about average for rainfall in Conroe, averaging 94 mm of rainfall. The wettest August on record was 2017 with 598 mm, while the driest was 2023 at 9 mm.
Relative humidity in Conroe during August averages 68%. The most humid Augusts were 1983 and 2007 at 80%, and the least humid was 2023 at 46%.
August receives about 6 kWh/m²/day of solar energy in Conroe. The sunniest August was 2023 at 7 kWh/m²/day, and the cloudiest was 2017 at 5.2.
Average wind speed in Conroe during August is 0.8 m/s. The windiest August was 2017 at 1 m/s, while the calmest were 2007, 2024 and 2025, among others at 0.6 m/s.
Ranked against the other 11 months using 1981–2025 averages.
| Metric | 1980s | 1990s | 2000s | 2010s | 2020s | Change |
|---|---|---|---|---|---|---|
| Avg Temp | 29.2°C | 29.2°C | 29.3°C | 30.3°C | 31.0°C | +1.8°C |
| Avg High | 35.4°C | 35.1°C | 35.1°C | 36.6°C | 37.5°C | +2.1°C |
| Avg Low | 23.0°C | 23.3°C | 23.6°C | 24.0°C | 24.6°C | +1.6°C |
| Avg Rain | 91 mm | 96 mm | 96 mm | 116 mm | 57 mm | -34 mm |
August temperatures in Conroe have risen by about 1.8°C between 1981–1985 and 2021–2025.
August has ranged from a record low of 14.1°C (1986) to a record high of 44.8°C (2023).
Rainfall in August is about average for rainfall, averaging 94 mm, with a wettest year of 598 mm.
A quieter season to visit Conroe
If your dates are flexible, the more temperate months of October and April tend to be the most comfortable for visiting Conroe. That said, August — with days averaging 35.8°C and nights around 23.6°C (mean 29.7°C) and higher rainfall (94 mm) — can still be rewarding for travellers who don't mind the warmth, and often means fewer crowds.
| Year | Avg High | Avg Temp | Avg Low | Hottest Day | Coldest Day | Rainfall | Humidity | Wind | Solar |
|---|---|---|---|---|---|---|---|---|---|
| 2025 | 37.1°C | 30.6°C | 24.1°C | 40.1°C | 22.2°C | 100 mm | 67% | 0.6 m/s | 5.7 |
| 2024 | 36.1°C | 30.1°C | 24.1°C | 40.2°C | 22.0°C | 26 mm | 72% | 0.6 m/s | 6.4 |
| 2023 🔥 | 41.9°C | 34.1°C | 26.4°C | 44.8°C | 22.3°C | 9 mm | 46% | 0.9 m/s | 7 |
| 2022 | 36.7°C | 30.8°C | 25.0°C | 41.0°C | 23.5°C | 123 mm | 68% | 0.8 m/s | 5.5 |
| 2021 | 35.6°C | 29.8°C | 24.0°C | 39.1°C | 22.0°C | 49 mm | 72% | 0.7 m/s | 6 |
| 2020 | 37.4°C | 30.6°C | 23.8°C | 40.8°C | 20.3°C | 35 mm | 64% | 0.8 m/s | 6.5 |
| 2019 | 37.9°C | 31.5°C | 25.0°C | 41.1°C | 23.9°C | 35 mm | 65% | 0.8 m/s | 6.1 |
| 2018 | 36.4°C | 30.0°C | 23.6°C | 39.2°C | 19.5°C | 43 mm | 67% | 0.8 m/s | 6.2 |
| 2017 🌧️ | 33.7°C | 28.7°C | 23.7°C | 39.1°C | 19.9°C | 598 mm | 77% | 1 m/s | 5.2 |
| 2016 | 33.2°C | 28.5°C | 23.7°C | 38.9°C | 22.5°C | 206 mm | 79% | 0.7 m/s | 5.4 |
| 2015 | 36.5°C | 29.8°C | 23.1°C | 42.0°C | 19.4°C | 59 mm | 68% | 0.7 m/s | 6.2 |
| 2014 | 35.4°C | 29.4°C | 23.4°C | 38.4°C | 18.9°C | 51 mm | 70% | 0.8 m/s | 6 |
| 2013 | 37.1°C | 30.4°C | 23.7°C | 40.8°C | 19.4°C | 46 mm | 63% | 0.8 m/s | 6.3 |
| 2012 | 36.4°C | 30.0°C | 23.6°C | 39.5°C | 21.5°C | 51 mm | 67% | 0.9 m/s | 6.3 |
| 2011 | 41.3°C | 33.5°C | 25.7°C | 42.6°C | 23.0°C | 24 mm | 50% | 0.9 m/s | 6.7 |
| 2010 | 38.3°C | 31.4°C | 24.5°C | 40.8°C | 20.4°C | 47 mm | 63% | 0.8 m/s | 6.4 |
| 2009 | 36.3°C | 30.2°C | 24.0°C | 39.4°C | 21.9°C | 66 mm | 67% | 0.8 m/s | 5.8 |
| 2008 | 34.2°C | 28.9°C | 23.6°C | 39.9°C | 22.1°C | 172 mm | 74% | 0.7 m/s | 5.5 |
| 2007 | 33.4°C | 28.5°C | 23.7°C | 38.3°C | 21.9°C | 102 mm | 80% | 0.6 m/s | 5.9 |
| 2006 | 35.1°C | 29.3°C | 23.6°C | 38.2°C | 18.5°C | 57 mm | 73% | 0.8 m/s | 6.3 |
| 2005 | 35.2°C | 29.6°C | 23.9°C | 38.5°C | 22.3°C | 87 mm | 71% | 0.6 m/s | 5.8 |
| 2004 | 34.0°C | 28.1°C | 22.3°C | 38.9°C | 16.5°C | 84 mm | 72% | 0.8 m/s | 6.2 |
| 2003 | 35.5°C | 29.7°C | 23.9°C | 40.6°C | 21.4°C | 133 mm | 70% | 0.7 m/s | 5.8 |
| 2002 | 34.3°C | 28.8°C | 23.4°C | 37.9°C | 20.6°C | 101 mm | 74% | 0.8 m/s | 5.8 |
| 2001 | 35.2°C | 29.4°C | 23.6°C | 38.9°C | 22.0°C | 135 mm | 71% | 0.8 m/s | 5.6 |
| 2000 | 37.9°C | 30.8°C | 23.7°C | 44.0°C | 21.8°C | 25 mm | 59% | 0.8 m/s | 6.5 |
| 1999 | 38.5°C | 31.4°C | 24.4°C | 42.2°C | 18.7°C | 20 mm | 59% | 0.8 m/s | 6.4 |
| 1998 | 35.3°C | 29.8°C | 24.4°C | 43.1°C | 22.2°C | 146 mm | 70% | 0.6 m/s | 5.6 |
| 1997 | 35.9°C | 29.7°C | 23.4°C | 39.6°C | 18.9°C | 77 mm | 68% | 0.8 m/s | 6.3 |
| 1996 | 33.0°C | 28.1°C | 23.2°C | 39.7°C | 20.6°C | 213 mm | 76% | 0.8 m/s | 5.3 |
| 1995 | 33.9°C | 28.9°C | 23.8°C | 38.1°C | 21.1°C | 100 mm | 76% | 0.7 m/s | 6.1 |
| 1994 | 34.2°C | 28.5°C | 22.9°C | 37.7°C | 20.9°C | 153 mm | 73% | 0.7 m/s | 5.9 |
| 1993 | 36.8°C | 30.4°C | 23.9°C | 39.4°C | 22.8°C | 56 mm | 66% | 0.8 m/s | 6.4 |
| 1992 ❄️ | 33.8°C | 27.4°C | 21.0°C | 37.2°C | 15.3°C | 58 mm | 69% | 0.7 m/s | 6.2 |
| 1991 | 33.2°C | 28.0°C | 22.9°C | 36.3°C | 21.1°C | 111 mm | 76% | 0.7 m/s | 5.7 |
| 1990 | 36.5°C | 29.9°C | 23.2°C | 40.2°C | 19.0°C | 28 mm | 62% | 0.8 m/s | 6.3 |
| 1989 | 32.9°C | 27.5°C | 22.1°C | 36.5°C | 15.3°C | 56 mm | 76% | 0.8 m/s | 5.9 |
| 1988 | 36.5°C | 30.2°C | 24.0°C | 41.2°C | 22.0°C | 60 mm | 66% | 0.8 m/s | 5.9 |
| 1987 | 36.0°C | 29.9°C | 23.7°C | 39.6°C | 21.7°C | 59 mm | 68% | 0.9 m/s | 6.2 |
| 1986 | 35.3°C | 28.7°C | 22.1°C | 41.1°C | 14.1°C | 110 mm | 66% | 0.8 m/s | 5.8 |
| 1985 | 37.7°C | 30.5°C | 23.4°C | 40.5°C | 19.4°C | 51 mm | 61% | 0.8 m/s | 6.6 |
| 1984 | 35.4°C | 29.0°C | 22.7°C | 40.1°C | 21.0°C | 76 mm | 67% | 0.8 m/s | 6 |
| 1983 | 32.6°C | 27.8°C | 23.0°C | 36.4°C | 21.8°C | 223 mm | 80% | 0.7 m/s | — |
| 1982 | 37.2°C | 30.3°C | 23.4°C | 39.9°C | 21.1°C | 49 mm | 64% | 0.9 m/s | — |
| 1981 | 35.2°C | 29.0°C | 22.9°C | 38.0°C | 18.1°C | 135 mm | 68% | 0.8 m/s | — |
Actual recorded August data for each year, 1981–2025 — sourced from NASA POWER.
The average high in August is around 35.8°C with lows near 23.6°C (mean 29.7°C), based on 45 years of NASA POWER data.
August averages 94 mm of rainfall in Conroe, about average for rainfall. The wettest on record was 598 mm in 2017.
The hottest August reached 44.8°C in 2023. The coldest dipped to 14.1°C in 1986.
Comparing the earliest years on record (1981–1985) with the most recent (2021–2025), average August temperatures have risen by about 1.8°C. Daytime highs moved from 35.6°C to 37.5°C and overnight lows from 23.1°C to 24.7°C over the same span.
August is one of the warmer months of the year in Conroe and about average for rainfall, so plan for around 35.8°C daytime highs and 23.6°C at night.
Not quite — August is the 12th coolest month in Conroe, averaging 29.7°C.
For August in Conroe, pack light, breathable clothing and sun protection, with typical highs of 35.8°C and lows of 23.6°C. Bring an umbrella or light rain jacket too.
Relative humidity in August averages 68% — moderately humid.
Average wind speed in August is 0.8 m/s. The windiest August on record averaged 1 m/s (2017).
The wettest August on record was 2017 with 598 mm. On average, August sees 94 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 Conroe behaves each August, 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 August specifically, along with year-by-year records and how the month has changed over the decades.
