Austin in August

In August, Austin averages 35°C (96°F) during the day and 25°C (77°F) at night, with frequent rain — about 15 days of the month see precipitation (117 mm total).

Off-peak

Conditions are very hot — early-morning and evening sightseeing recommended. Plan for unsettled weather and bring rain gear.

It's peak hurricane season in Austin during August. Travel is possible but expect storm risk, possible flight disruption, and generally lower travel insurance coverage.

35°C
Avg high
25°C
Avg low
15
Rain days
117 mm
Rainfall

How August compares to the rest of the year in Austin

1st
warmest month of the 12
6th
wettest month of the 12
10%
of yearly rainfall falls in August
13 h 15 min
daylight on the 15th

August is one of the warmest months in Austin (1st of 12) and moderately rainy compared to the rest of the year (6th of 12). Daytime temperature runs 9°C above the annual average (26°C). August runs roughly the same as July (35°C) and cools 3°C in September (32°C).

August sunrise & sunset in Austin

🌅
Sunrise (15th)
6:58 AM
🌇
Sunset (15th)
8:13 PM
Day length
13 h 15 min

Times shown for Austin local time (America/Chicago), calculated for the 15th of August. They shift by a few minutes day to day across the month.

Photography light in Austin — August

Golden-hour and blue-hour windows for the 15th of August, in Austin's local time. Use these for soft warm light (golden) or cool architectural twilight (blue).

🌅 Blue hour (AM)
5:58 AM – 6:38 AM
🌄 Golden hour (AM)
6:38 AM – 7:38 AM
🌇 Golden hour (PM)
7:33 PM – 8:33 PM
🌆 Blue hour (PM)
8:33 PM – 9:13 PM
Milky Way galactic core
Fair
Core only briefly above the horizon — a marginal month even from dark sites near Austin.

📅 When to book — Austin in August

Travel writers usually only tell you when to go. Here's when to book flights and lodging for the best mix of price and availability, based on August's tier (Off-peak) and Austin's popularity.

✈ Flights — lead time
3-6 weeks
Cheapest flights of the year. Last-minute deals are real if you can be flexible. ⚠ Peak hazard season — book flexible-change tickets and travel insurance with weather-disruption coverage.
🏨 Lodging — lead time
2-4 weeks
Last-minute bookings work fine. Some seasonal properties close — call ahead if it's a small boutique or beach resort.

Crowds & pricing — August in Austin

Off-peak

This is off-peak for Austin — the lowest prices of the year and the fewest crowds, but with real trade-offs: some restaurants, hotels, and beach businesses may close for the season; weather conditions can make outdoor activities unpredictable; and a handful of seasonal sights run reduced hours or close entirely. Great if you prefer a quiet local rhythm and don't mind the climate giving you reasons to choose indoor activities.

Why this tier: challenging tourism weather Northern Hemisphere summer holidays peak hazard season (1 active)

Sun & mosquito risk — August in Austin

☀️ UV Index (noon, 15th)
12.3
Extreme
Stay indoors during midday hours; SPF 50+ even briefly outside, UPF clothing, wide-brim hat, sunglasses essential.
🦟 Mosquito risk
●●●●●
Severe
Severe mosquito season with active disease transmission risk. DEET 30%+, picaridin 20%, long sleeves day and night, treated nets, and check CDC/WHO travel advisories before going.

UV is a clear-sky sea-level estimate — clouds, altitude, and reflective surfaces (snow, water) shift it ±30%. Mosquito risk is climate-derived only; for current disease advisories (dengue, malaria, zika) check the CDC or WHO travel pages before your trip.

Austin in other months

MonthAvg highAvg lowRainfallRain daysSnow days
January 16°C / 61°F 6°C / 42°F 65 mm 12
February 18°C / 64°F 7°C / 45°F 76 mm 14
March 23°C / 73°F 12°C / 54°F 78 mm 17
April 26°C / 79°F 15°C / 60°F 127 mm 17
May 29°C / 85°F 20°C / 67°F 187 mm 22
June 33°C / 91°F 23°C / 74°F 97 mm 19
July 35°C / 95°F 25°C / 77°F 55 mm 13
August 35°C / 96°F 25°C / 77°F 117 mm 15
September 32°C / 89°F 22°C / 72°F 103 mm 16
October 27°C / 81°F 17°C / 62°F 114 mm 13
November 21°C / 69°F 11°C / 52°F 84 mm 15
December 18°C / 64°F 8°C / 46°F 84 mm 12

Other cities with similar August weather

🌍 See the full ranked list of climate twins for Austin in August →

Frequently asked questions

How hot is Austin in August?

In August, Austin averages a high of 35°C (96°F) and a low of 25°C (77°F) — generally hot.

Does it rain a lot in Austin in August?

August is quite rainy in Austin, with about 15 rainy days on average.

Is August a good time to visit Austin?

August is hot but on the rainy side. It suits travelers who are comfortable with hot weather; check the month-by-month ranking to compare it against the rest of the year.

What should I pack for Austin in August?

Pack lightweight, breathable clothing, sunglasses and sunscreen, plus a compact umbrella or rain jacket. See the full August packing list for Austin for a complete, climate-based checklist.

Open Austin on the interactive map

Check the live 10-day forecast and sunrise/sunset.