Austin weather in August: Austin, Texas: normal highs, lows, rain and records for August
Austin in August has a normal high of 98°F and a normal low of 75°F, a daily mean of 87°F, falling from 99°F on the 1st to 95°F by the 31st. Measurable precipitation falls on 5 days in a normal August, 2.74 inches in all. (NOAA 1991-2020 normals)
In metric: a normal high of 37°C and low of 24°C, 70 mm of precipitation in August.
- NOAA stationAustin-Camp Mabry
- Station IDUSW00013958
- Location30.32°N 97.76°W
- Elevation670 ft (204 m)
- From the center2 miles
- Population993,588
- Jan 63° 42°
- Feb 67° 46°
- Mar 73° 52°
- Apr 80° 59°
- May 87° 67°
- Jun 93° 73°
- Jul 97° 75°
- Aug 98° 75°
- Sep 91° 70°
- Oct 83° 61°
- Nov 72° 51°
- Dec 64° 43°
Each month: normal high (large) and low, °F. Fill: the month's normal mean, colder blue to hotter red.
How warm is Austin in August?
The normal high is 98°F and the normal low 75°F, for a daily mean of 86.5°F. August is 0.7°F warmer than July and 5.7°F warmer than September. August is the warmest month of the year in Austin and the 7th wettest. Across the month the normal high falls 4°F, from 99°F on August 1 to 95°F on August 31. From one year to the next August's mean temperature typically moves about 2.3°F either way (NOAA's standard deviation), so roughly two Augusts in three average between 84°F and 89°F.
Bars above: each day's normal high to low. Columns below: the chance of 0.01 inch or more of precipitation that day, on a scale of 0 to 100% (highest 22%).
| Day | High | Low | Chance of 0.01 in | Chance of 0.10 in |
|---|---|---|---|---|
| August 1 | 99°F | 76°F | 13% | 9% |
| August 8 | 99°F | 76°F | 14% | 9% |
| August 15 | 98°F | 75°F | 16% | 10% |
| August 22 | 97°F | 75°F | 19% | 12% |
| August 31 | 95°F | 74°F | 22% | 14% |
Every day of August: normal high, low and chance of precipitation (warmest afternoon August 4, coldest night August 31)
| Day | High | Low | Chance of 0.01 in | Chance of 0.10 in | Daylight |
|---|---|---|---|---|---|
| August 1 | 99°F | 76°F | 13% | 9% | 13 h 40 min |
| August 2 | 99°F | 76°F | 13% | 9% | 13 h 40 min |
| August 3 | 99°F | 76°F | 14% | 9% | 13 h 30 min |
| August 4 | 99°F | 76°F | 14% | 9% | 13 h 30 min |
| August 5 | 99°F | 76°F | 14% | 9% | 13 h 30 min |
| August 6 | 99°F | 76°F | 14% | 9% | 13 h 30 min |
| August 7 | 99°F | 76°F | 14% | 9% | 13 h 30 min |
| August 8 | 99°F | 76°F | 14% | 9% | 13 h 30 min |
| August 9 | 99°F | 76°F | 14% | 9% | 13 h 30 min |
| August 10 | 99°F | 76°F | 15% | 10% | 13 h 20 min |
| August 11 | 99°F | 76°F | 15% | 10% | 13 h 20 min |
| August 12 | 99°F | 76°F | 15% | 10% | 13 h 20 min |
| August 13 | 99°F | 76°F | 15% | 10% | 13 h 20 min |
| August 14 | 99°F | 76°F | 16% | 10% | 13 h 20 min |
| August 15 | 98°F | 75°F | 16% | 10% | 13 h 20 min |
| August 16 | 98°F | 75°F | 16% | 11% | 13 h 20 min |
| August 17 | 98°F | 75°F | 17% | 11% | 13 h 10 min |
| August 18 | 98°F | 75°F | 17% | 11% | 13 h 10 min |
| August 19 | 98°F | 75°F | 18% | 11% | 13 h 10 min |
| August 20 | 98°F | 75°F | 18% | 11% | 13 h 10 min |
| August 21 | 98°F | 75°F | 18% | 12% | 13 h 10 min |
| August 22 | 97°F | 75°F | 19% | 12% | 13 h 10 min |
| August 23 | 97°F | 75°F | 19% | 12% | 13 h |
| August 24 | 97°F | 75°F | 19% | 12% | 13 h |
| August 25 | 97°F | 75°F | 20% | 12% | 13 h |
| August 26 | 97°F | 74°F | 20% | 13% | 13 h |
| August 27 | 96°F | 74°F | 21% | 13% | 13 h |
| August 28 | 96°F | 74°F | 21% | 13% | 13 h |
| August 29 | 96°F | 74°F | 21% | 13% | 12 h 50 min |
| August 30 | 96°F | 74°F | 22% | 14% | 12 h 50 min |
| August 31 | 95°F | 74°F | 22% | 14% | 12 h 50 min |
- Normal high
- 98°FAugust average
- Normal low
- 75°FAugust average
- Precipitation
- 2.74 inmonth total
- Days with precipitation
- 50.01 inch or more
- Days at 90°F or more
- 29
- Daylight
- 13 h 40 min to 12 h 50 minAugust 1 to August 31
- Days at 70°F or more
- 31
- Days at 80°F or more
- 31
- Sunshine
- 88%of clear-sky sunlight (NASA)
Source: NOAA NCEI 1991-2020 daily normals, station USW00013958; monthly normals. Daylight is computed from the place's latitude with NOAA's solar equations.
Does it rain in Austin in August?
On a given August day the chance of 0.01 inch or more is 17% on average, highest around August 31 (22%). In all, 2.74 in falls on 5 days of a normal August, 1 of them with an inch or more.
In a normal August in Austin, 29 days reach 90°F.
Source: NOAA NCEI 1991-2020 daily and monthly normals, station USW00013958.
What are the records for August in Austin?
The warmest August temperature on Austin's official record (since 1897) is 112°F, on August 28, 2011; the coldest is 58°F, on August 31, 1915. The wettest August brought 10.44 in (2017).
The August mean against the 1991-2020 normal of 86.5°F: 2021 86.0°F (−0.5), 2022 88.0°F (+1.5), 2023 91.1°F (+4.6), 2024 88.0°F (+1.5), 2025 87.0°F (+0.5), 2026 89.3°F (+2.8). 5 of 6 ran warmer than normal.
| August | Mean | Against normal | Precip. |
|---|---|---|---|
| 2021 | 86.0°F | −0.5°F | 3.60 in |
| 2022 | 88.0°F | +1.5°F | 5.72 in |
| 2023 | 91.1°F | +4.6°F | 0.11 in |
| 2024 | 88.0°F | +1.5°F | 1.51 in |
| 2025 | 87.0°F | +0.5°F | 1.16 in |
| 2026 | 89.3°F | +2.8°F | 0.40 in |
Source: records: ACIS, NWS threaded record ATTthr; recent months: ACIS, station USW00013958. Records and recent months use complete months only.
How does August in Austin compare across Texas?
Across the 321 places PlainClimate covers in Texas, August normal highs run from 87°F in Marfa to 101°F in Del Rio; Austin's is 98°F.
Source: NOAA NCEI 1991-2020 monthly normals for every station in the state.