Austin · August
Run in the pre-dawn.
Average highs hit 96°F. August is the hottest stretch of the year. Heat builds fast after sunrise — the pre-dawn hour is the only reliably comfortable window.
Avg high / low
96° / 77°F
Humidity
61%
Rain days
12/mo
Wind
12 mph
What August feels like in Austin
Sunrise
06:58
Mid-month average
Sunset
20:10
Mid-month average
Time-of-day breakdown
Morning
Cool relative to the day's peak, but heat builds fast. By 10 AM you're already chasing comfort.
Midday
Heat peaks here. Skip unless you've got shade and pace tolerance.
Evening
Cools off after sunset but still warm. Good for easy efforts; avoid hard intervals if you're chasing pace.
What to wear running in Austin in August
The kit for August in Austin: light, breathable, and moisture-wicking — singlet or short-sleeve only.
August vs the surrounding months
vs July
+1° avg high
+2 rain days
Austin in July →
August
96°F avg high
12 rain days
Best: pre-dawn
vs September
+6° avg high
-1 rain days
Austin in September →
Frequently Asked Questions
What is the best time of day to run in Austin in August?+
Pre-dawn. Heat builds fast after sunrise — the pre-dawn hour is the only reliably comfortable window.
What's the average temperature in Austin in August?+
Average high 96°F, average low 77°F.
How does August compare to surrounding months in Austin?+
Compared to July (avg high 95°F), August is warmer. Compared to September (avg high 90°F), August is warmer.
Does it rain often in Austin in August?+
Expect about 12 measurable rain days in August, on average.