August in Austin averages a daily high of 36.9°C with nights around 24.2°C. Expect roughly 4.8 wet days totalling 65.6mm. Demanding conditions — pack for it and plan indoor options.
Across the year, the best time to visit Austin is October–April.
Based on AUSTIN CAMP MABRY, TX US (6.2km), 1995–2024. 30 years of August data.