What August feels like in Austin
Summer peaks in August: no month in Austin is warmer. Afternoons are very hot — outdoor plans work best early in the day or after sunset. Nights bring little relief: even the coolest hour of the night stays very warm. Some humidity hangs in the air, noticeable when the sun is strong.
Rain in Austin in August
Rain turns up now and then — about one day in 5. Rainy days are intense, averaging about 12.6 mm (0.5 in) — downpours rather than drizzle. The yearly figure is similar, around 10.1 mm per wet day.
Daylight and sunshine in August
On 15 August the sun rises at about 6:58 am and sets around 8:14 pm local time, giving 13 h 17 min of daylight. Days are getting shorter: 39 min less daylight than in mid-July. The sun is out for roughly 90% of those daylight hours, so skies are mostly clear.
How August compares to the rest of the year
Ranked by average high, August comes out as the warmest month in Austin. Compared with July, afternoons are 1°C (1.8°F) warmer, with 2 mm more rain. From here temperatures start to ease, beginning in September. The next month's average high: 32°C (89.6°F).
Who August suits
- Sightseeing: less ideal — midday heat makes long walks hard.
- Parks & outdoor: less ideal — afternoons are too warm to linger outside.
- Museums & indoor: a good choice — a cool break during the hottest hours.
Tips for visiting Austin in August
Rain Protection
Keep a small umbrella in your bag and wear shoes that cope with puddles.
Sun Protection
Loose, breathable clothing plus sunscreen and a wide-brimmed hat.
Quick questions
How warm is Austin in August?
Expect around 35.7°C (96.3°F) in the afternoon and 25.3°C (77.5°F) at night, which most visitors would call very hot.
Does it rain a lot in Austin in August?
Only moderately: roughly 6 wet days and 75 mm, usually moderate rain.
What should I wear in Austin in August?
Based on the averages: rain protection and sun protection. Evenings feel similar to the day, so the same clothes work from morning to night.
Is August or September better for visiting Austin?
On our 12-month climate ranking, September comes out ahead (#6 of 12 vs #10). September is cooler and has more rainy days.