Austin weather in August
August in Austin: sweltering, a little rain — a fair time to visit.
#12 of 12 months in Austin · #514 of 604 destinations to visit in August · comfort 56/100 (tier D)
Updated June 2026 · climate normals from ERA5 reanalysis
Austin climate normals — August
| Daytime high | 36°C / 98°F | 🔥 sweltering |
|---|---|---|
| Nighttime low | 26°C / 78°F | |
| Feels like (high) | 39°C / 102°F | |
| Rainfall | 46 mm / 1.8 in | 🌦 some rain |
| Rainy days | 6 days | |
| Humidity | 55% | 🍃 comfortable |
| Dew point | 20°C / 68°F | |
| Sunshine | 11.7 h/day | |
| Daylight | 13.2 h | |
| Wind | 17 km/h / 11 mph | |
| Air quality (US AQI) | 51 | 🙂 moderate |
Monthly averages from ERA5 reanalysis. AQI is the mean US Air Quality Index for the month.
Where is Austin?
Loading map…
Austin in August — FAQ
- Is August a good time to visit Austin?
- August in Austin: sweltering, a little rain — a fair time to visit. It ranks #12 of 12 months for Austin on SeasonMap's comfort score (56/100).
- What is the weather like in Austin in August?
- In August, Austin averages a daily high of 36.4°C and a low of 25.8°C, with about 45.7 mm of rain over roughly 6.2 rainy days.
- What is the air quality in Austin in August?
- Austin has a mean US Air Quality Index of about 51 in August.