Austin Weather in August
August in Austin averages 37°C (99°F) during the day and 24°C (75°F) at night. Around 42 mm (1.7 in) of rainfall is typical for this time of year.
Rainfall in Austin in August
The climate data from previous years indicates about 6 days of rain, averaging 42 mm (1.7 in) for the month. When rain does fall this month, it tends to come down hard. The low number of rain days makes each shower more significant.
Temperature in Austin in August
Daytime temperatures in Austin reach 37°C (99°F) in August, dropping to 24°C (75°F) at night. For most visitors, the main thing to prepare for is the heat during the day. With overnight lows of 24°C (75°F), evenings and nights remain warm. Light clothing and an open window or fan can help you sleep comfortably. Note that these temperatures are average, but some days may be hotter. Dress in cool, breathable fabrics to stay comfortable in the heat.
Sunshine in Austin in August
Enjoy a sunny month with about 298 hours of sunshine, the clear skies make Austin even more beautiful.
Wind Speed in Austin in August
Average wind speeds reach 3 m/s (6 knots) in August, creating light breezes that feel pleasant throughout the day. Some days are calmer, while others bring slightly more active breezes.If you prefer dry days with pleasant temperatures, August may not be the ideal month to visit Austin. Our weather planner can help you explore destinations with more pleasant weather conditions.
Check the conditions for any month of the year.
For a detailed overview over the year and the best time to visit the United States of America, check out our Austin's climate page.
Austin Temperature in August
Min Temperature
24°C (75°F)
Max Temperature
37°C (99°F)
Chance of Rain
19%
Precipitation
42 mm (1.7 in)
Rainy days
6 days
Humidity
64%
Windspeed
3 m/s (6 knots)
Sunshine
298 hours
Percentage Sunshine
73%
Daily Historical Temperatures
50-year average (1976-2025)
Based on our historical records, temperatures in Austin typically stay consistent throughout August, with daily highs averaging around 37°C (99°F). Nights are warm, with lows around 24°C (75°F).
Average temperatures in August
Historical weather for Austin in August
Browse day-by-day weather records for Austin spanning 51 years. Select any month and year to see actual temperatures, rainfall, and conditions recorded on each day.
Austin historical weather extremes in August
Based on 49 years of weather observations in Austin between 1976 and 2025, these are the recorded extremes.
- On August 28, 2011, temperatures climbed to 44°C (111°F), marking the warmest August day on record.
- The coldest August day was on August 8, 1997, with a maximum of 23°C (73°F).
- The lowest overnight temperature recorded in August was 17°C (63°F) (August 13, 2004).
Best Places in the United States of America in August
Find out more about the weather in the United States of America and which places have the best travel conditions in this month. See all of the United States of America in August →
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What to Wear in Austin in August
Get ready for hot weather in August! Lightweight, breathable fabrics are your best friend during this month. Cotton and linen shirts, shorts, sundresses, and sandals will keep you comfortable. Light colors help reflect the heat, avoid wearing black. Rain is likely on several days, so bring a good rain jacket. And with plenty of sunshine hours, don’t forget sunglasses, sunscreen, and maybe a sun hat.What To Do in Austin in August
We rated the following activities from 1 (least suitable) to 10 (best) to do.
Check the conditions for any month of the year.
For a detailed overview over the year and the best time to visit the United States of America, check out our Austin's climate page.
Temperature Rainfall Sunshine Humidity Wind Speed
See the full Austin climate overview or explore weather in the United States of America.
