August is one of the warmer months of the year in San Angelo, with average highs near 35.3°C and lows around 22.5°C (mean 28.9°C). It is a relatively wet time of year, averaging 60 mm of rainfall and 53% relative humidity across the period.
August is one of the warmer months of the year in San Angelo. Across 45 years of records, the warmest August in San Angelo was 2023 — when the month averaged 32.6°C — while the coldest was 1992 at 26°C. Typical August days reach 35.3°C with nights near 22.5°C. The long-term trend is warming, about 0.4°C per decade.
August is a relatively wet time of year in San Angelo, averaging 60 mm of rainfall. The wettest August on record was 2007 with 144 mm, while the driest was 2000 at 1 mm.
Relative humidity in San Angelo during August averages 53%. The most humid August was 2007 at 70%, and the least humid was 2023 at 36%.
August receives about 6.4 kWh/m²/day of solar energy in San Angelo. The sunniest Augusts were 1985, 2000 and 2023 at 7 kWh/m²/day, and the cloudiest were 1996, 1998 and 2008 at 5.8.
Average wind speed in San Angelo during August is 3 m/s. The windiest August was 2000 at 3.6 m/s, while the calmest was 1991 at 2.4 m/s.
Ranked against the other 11 months using 1981–2025 averages.
| Metric | 1980s | 1990s | 2000s | 2010s | 2020s | Change |
|---|---|---|---|---|---|---|
| Avg Temp | 28.7°C | 28.2°C | 28.3°C | 29.2°C | 30.4°C | +1.7°C |
| Avg High | 35.3°C | 34.6°C | 34.4°C | 35.7°C | 37.2°C | +1.9°C |
| Avg Low | 22.2°C | 21.9°C | 22.3°C | 22.7°C | 23.6°C | +1.4°C |
| Avg Rain | 43 mm | 64 mm | 79 mm | 57 mm | 49 mm | +6 mm |
August temperatures in San Angelo have risen by about 1.1°C between 1981–1985 and 2021–2025.
August has ranged from a record low of 14.1°C (1989) to a record high of 44.3°C (2024).
Rainfall in August is a relatively wet time of year, averaging 60 mm, with a wettest year of 144 mm.
A good time to visit San Angelo
August is a good time to visit San Angelo, with days averaging 35.3°C and nights around 22.5°C (mean 28.9°C, warmer than San Angelo's yearly average) and moderate rainfall. April and October are marginally more temperate, but August still suits most travellers.
| Year | Avg High | Avg Temp | Avg Low | Hottest Day | Coldest Day | Rainfall | Humidity | Wind | Solar |
|---|---|---|---|---|---|---|---|---|---|
| 2025 | 36.9°C | 29.9°C | 23.0°C | 39.6°C | 20.7°C | 34 mm | 50% | 2.8 m/s | 6.5 |
| 2024 | 38.9°C | 31.9°C | 24.9°C | 44.3°C | 21.4°C | 27 mm | 42% | 3.2 m/s | 6.8 |
| 2023 🔥 | 40.1°C | 32.6°C | 25.0°C | 43.8°C | 20.0°C | 13 mm | 36% | 3.2 m/s | 7 |
| 2022 | 35.3°C | 29.4°C | 23.4°C | 40.6°C | 20.6°C | 81 mm | 54% | 2.8 m/s | 6 |
| 2021 | 33.6°C | 27.7°C | 21.7°C | 37.8°C | 17.2°C | 123 mm | 64% | 3 m/s | 6.4 |
| 2020 | 38.1°C | 30.9°C | 23.7°C | 42.7°C | 19.9°C | 16 mm | 41% | 3.3 m/s | 6.9 |
| 2019 | 38.3°C | 31.4°C | 24.6°C | 41.7°C | 21.6°C | 33 mm | 47% | 3.4 m/s | 6.9 |
| 2018 | 34.5°C | 28.2°C | 21.9°C | 38.1°C | 19.3°C | 83 mm | 56% | 3.1 m/s | 6.5 |
| 2017 | 32.6°C | 26.9°C | 21.1°C | 37.5°C | 15.5°C | 117 mm | 65% | 2.8 m/s | 6 |
| 2016 | 33.4°C | 27.5°C | 21.6°C | 39.1°C | 16.8°C | 84 mm | 63% | 3.2 m/s | 6.1 |
| 2015 | 36.7°C | 29.7°C | 22.8°C | 40.4°C | 18.6°C | 23 mm | 49% | 3.1 m/s | 6.6 |
| 2014 | 35.0°C | 28.4°C | 21.7°C | 39.6°C | 19.0°C | 61 mm | 52% | 3 m/s | 6.6 |
| 2013 | 36.2°C | 29.4°C | 22.6°C | 39.9°C | 20.2°C | 28 mm | 49% | 3 m/s | 6.8 |
| 2012 | 35.8°C | 29.2°C | 22.7°C | 41.2°C | 18.3°C | 56 mm | 49% | 3 m/s | 6.5 |
| 2011 | 38.2°C | 31.4°C | 24.6°C | 42.2°C | 21.2°C | 59 mm | 44% | 3.1 m/s | 6.9 |
| 2010 | 36.4°C | 29.8°C | 23.1°C | 39.4°C | 18.7°C | 30 mm | 50% | 3.1 m/s | 6.9 |
| 2009 | 35.6°C | 28.9°C | 22.2°C | 38.5°C | 18.2°C | 34 mm | 50% | 3.1 m/s | 6.9 |
| 2008 | 32.5°C | 27.0°C | 21.5°C | 38.4°C | 18.1°C | 113 mm | 63% | 2.6 m/s | 5.8 |
| 2007 🌧️ | 32.5°C | 27.1°C | 21.7°C | 36.4°C | 20.1°C | 144 mm | 70% | 3.4 m/s | 6.4 |
| 2006 | 34.9°C | 29.1°C | 23.3°C | 40.0°C | 17.1°C | 74 mm | 53% | 3.1 m/s | 6.2 |
| 2005 | 32.1°C | 26.6°C | 21.1°C | 36.1°C | 17.8°C | 136 mm | 66% | 2.6 m/s | 6.3 |
| 2004 | 31.9°C | 26.2°C | 20.6°C | 37.3°C | 17.4°C | 124 mm | 66% | 2.8 m/s | 6 |
| 2003 | 35.3°C | 29.1°C | 22.9°C | 41.8°C | 18.4°C | 58 mm | 53% | 3 m/s | 6.1 |
| 2002 | 36.5°C | 29.7°C | 22.9°C | 41.8°C | 19.9°C | 21 mm | 51% | 3.5 m/s | 6.9 |
| 2001 | 34.5°C | 28.7°C | 22.9°C | 39.8°C | 19.3°C | 90 mm | 54% | 2.9 m/s | 6.2 |
| 2000 | 37.7°C | 30.8°C | 23.8°C | 40.0°C | 22.0°C | 1 mm | 38% | 3.6 m/s | 7 |
| 1999 | 37.9°C | 31.0°C | 24.2°C | 40.7°C | 22.0°C | 16 mm | 41% | 2.8 m/s | 6.7 |
| 1998 | 33.9°C | 28.1°C | 22.3°C | 40.1°C | 19.4°C | 90 mm | 59% | 2.7 m/s | 5.8 |
| 1997 | 35.9°C | 29.0°C | 22.1°C | 39.6°C | 17.0°C | 43 mm | 50% | 3.1 m/s | 6.6 |
| 1996 | 32.9°C | 27.4°C | 21.8°C | 40.5°C | 18.8°C | 133 mm | 58% | 3 m/s | 5.8 |
| 1995 | 34.6°C | 28.4°C | 22.3°C | 37.7°C | 19.7°C | 47 mm | 56% | 3 m/s | 6.2 |
| 1994 | 35.9°C | 29.2°C | 22.6°C | 41.0°C | 20.8°C | 40 mm | 48% | 3.1 m/s | 6.6 |
| 1993 | 36.2°C | 29.7°C | 23.1°C | 39.3°C | 18.3°C | 71 mm | 46% | 3.4 m/s | 6.5 |
| 1992 ❄️ | 32.4°C | 26.0°C | 19.5°C | 36.6°C | 15.6°C | 69 mm | 61% | 2.9 m/s | 6.3 |
| 1991 | 33.3°C | 27.0°C | 20.7°C | 37.2°C | 17.9°C | 74 mm | 59% | 2.4 m/s | 6 |
| 1990 | 32.9°C | 26.6°C | 20.4°C | 37.7°C | 16.0°C | 56 mm | 60% | 2.9 m/s | 6.5 |
| 1989 | 34.6°C | 28.1°C | 21.5°C | 37.6°C | 14.1°C | 41 mm | 51% | 3.4 m/s | 6.1 |
| 1988 | 35.3°C | 28.8°C | 22.4°C | 38.8°C | 19.2°C | 25 mm | 50% | 3 m/s | 6.2 |
| 1987 | 35.0°C | 28.5°C | 22.0°C | 38.6°C | 17.8°C | 63 mm | 54% | 3.3 m/s | 6.6 |
| 1986 | 33.3°C | 27.5°C | 21.7°C | 41.5°C | 17.1°C | 120 mm | 57% | 2.9 m/s | 5.9 |
| 1985 | 37.0°C | 30.0°C | 23.0°C | 39.9°C | 20.6°C | 17 mm | 42% | 3.1 m/s | 7 |
| 1984 | 35.6°C | 29.1°C | 22.6°C | 39.7°C | 19.5°C | 20 mm | 45% | 3 m/s | 6.2 |
| 1983 | 35.8°C | 29.4°C | 23.0°C | 39.5°C | 21.2°C | 15 mm | 48% | 2.8 m/s | — |
| 1982 | 36.5°C | 29.7°C | 23.0°C | 39.2°C | 21.0°C | 29 mm | 46% | 3.3 m/s | — |
| 1981 | 34.2°C | 27.6°C | 21.0°C | 38.7°C | 16.6°C | 56 mm | 55% | 2.8 m/s | — |
Actual recorded August data for each year, 1981–2025 — sourced from NASA POWER.
The average high in August is around 35.3°C with lows near 22.5°C (mean 28.9°C), based on 45 years of NASA POWER data.
August averages 60 mm of rainfall in San Angelo, a relatively wet time of year. The wettest on record was 144 mm in 2007.
The hottest August reached 44.3°C in 2024. The coldest dipped to 14.1°C in 1989.
Comparing the earliest years on record (1981–1985) with the most recent (2021–2025), average August temperatures have risen by about 1.1°C. Daytime highs moved from 35.8°C to 37°C and overnight lows from 22.5°C to 23.6°C over the same span.
August is one of the warmer months of the year in San Angelo and a relatively wet time of year, so plan for around 35.3°C daytime highs and 22.5°C at night.
Not quite — August is the 11th coolest month in San Angelo, averaging 28.9°C.
For August in San Angelo, pack light, breathable clothing and sun protection, with typical highs of 35.3°C and lows of 22.5°C. Bring an umbrella or light rain jacket too.
Relative humidity in August averages 53% — relatively dry.
Average wind speed in August is 3 m/s. The windiest August on record averaged 3.6 m/s (2000).
The wettest August on record was 2007 with 144 mm. On average, August sees 60 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 San Angelo 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.
