Austin weather in August

In August, Austin sees average daytime highs of 95°F and overnight lows near 75°F, with 2.3 in of rain across 5.6 wet days and about 13.1 hours of daylight. It is the 1st-warmest and 11th-wettest month of the year here.

Highs ease over the month, from about 96°F in the first days to 94°F by the end. The sky is clear or mostly clear about 52% of the time in August, and the air most often feels muggy.

Daylight stretches from about 13 h 30 min at the start of August to 12 h 42 min by month's end. Set against the rest of the year, August is Austin's 2nd-clearest and 11th-windiest month. For the whole year in context, see Austin's year-round climate.

Daytime high
95°
1st warmest
Overnight low
75°
12th coldest
Rainfall
2.3 in
5.6 wet days
Daylight
13 h 06 min
6:02 AM – 7:08 PM
Cloud cover
45%
2nd clearest
Wind
7 mph
11th windiest
Solar energy
6.28 kWh/m²
Travel score
2.7
out of 10

Austin is capital city of the U.S. state of Texas and seat of Travis County.

Density
1,233/km²
people per km²
Founded
1835

Air quality: WHO Ambient Air Quality Database. Density & description: Wikidata (CC0), GeoNames.

Temperature in August

Average highAverage lowShaded bands: 10–90% of days

Highs ease over the month, from about 96°F in the first days to 94°F by the end.

A typical August day in Austin reaches about 95°F in the afternoon and slips back to 75°F overnight — a 21°F spread between the day's warmth and the night's chill. On most days the high lands between 89°F and 101°F. Set against its neighbours, August runs on par with July and about 6°F warmer than September.

70°80°90°100°151015202531
Avg high (°F)Avg low (°F)
19675
29675
39675
49675
59675
69675
79675
89675
99675
109675
119675
129675
139675
149675
159675
169675
179675
189575
199575
209575
219575
229575
239575
249474
259474
269474
279474
289474
299474
309374
319374

How August really feels in Austin

Once humidity and wind are folded in, August averages 31 days that feel above 90°F and 0 that feel at or below 32°F — the comfort signal a plain temperature reading hides.

Days feeling ≥ 90°F
31
heat index over the day's high
Days feeling ≤ 32°F
0
wind chill below the day's low

The story in August is heat — humidity pushes the afternoon "feels like" well above the raw temperature.

Austin weather by month

How August compares with the rest of the year at a glance. August is the 1st-warmest and 11th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°F)Rainfall (inches)Wet daysDaylight (hours)Travel score
Jan61° / 42°2.47.110.35.5
Feb65° / 45°2.47.410.96.2
Mar72° / 52°2.9911.86.9
Apr79° / 59°3.38.712.77.0
May85° / 67°4.610.813.55.2
Jun91° / 73°3.09.213.93.7
Jul95° / 75°1.65.713.82.9
Aug95° / 75°2.35.613.12.7
Sep89° / 70°3.0812.24.4
Oct81° / 60°3.37.211.37.0
Nov70° / 50°2.96.710.57.1
Dec62° / 43°2.87.410.15.8

Cloud cover in August

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 52% of the time in August.

Beyond those clear spells, partly cloudy skies cover about 20% of August, with mostly cloudy or overcast conditions the remaining 29%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
17129
27129
37228
47228
57228
67327
77327
87327
97327
107426
117327
127327
137228
147228
157129
167228
177228
187129
197129
207129
217129
227030
237030
247030
257030
267030
277030
286931
296931
306931
316931

Chance of precipitation in August

Any precipitation

Austin gets around 2.3 in of rain over 5.6 wet days in August. The line is the day-by-day chance of measurable precipitation.

Day to day, the chance of measurable rain averages around 19% and peaks near 24% on the wettest days. The odds climb toward the end of the month.

0%10%20%30%151015202531
Rain chance (%)
114
213
314
414
514
614
714
815
915
1016
1116
1217
1317
1418
1519
1619
1720
1820
1920
2021
2121
2221
2322
2422
2522
2622
2723
2823
2923
3024
3124

Humidity in August

DryComfortableHumidMuggyOppressiveMiserable

Most of August feels muggy — the stacked bands show each day's mix of comfort levels, read off the dew point.

By dew point, August lands in the muggy band about 50% of days. Sticky, muggy-or-worse air turns up on roughly 86% of them.

0%25%50%75%100%151015202531
Dry (%)Comfortable (%)Humid (%)Muggy (%)Oppressive (%)Miserable (%)
1021155320
2021156310
3021057310
4021057310
5021058300
6021058300
7021058300
802958310
902958310
1002958310
1102858320
1202857330
1302856340
1402955340
1503953341
1603952351
1703951361
18031050361
19031049371
20031048381
21031147381
22031145391
23041244391
24141243391
25141343391
26141342391
27141441391
28151440391
29251440391
30251439381
31261538381

Wind in August

Winds average 7 mph in August.

Across August, daily wind ranges from about 6 mph on the calmest days to 7 mph at its breeziest. It stays fairly steady from day to day.

0246810151015202531
Wind speed (mph)Feels
17calm
27calm
37calm
47calm
57calm
67calm
77calm
87calm
97calm
107calm
117calm
127calm
137calm
147calm
157calm
167calm
177calm
187calm
197calm
207calm
217calm
227calm
236calm
246calm
256calm
266calm
276calm
286calm
296calm
306calm
316calm

Sunrise & sunset in August

DaylightNight

Daylight runs from about 13 h 30 min at the start of August to 12 h 42 min by month's end. The lit band spans sunrise to sunset each day.

Days shrink by about 48 minutes over August. Sunrise moves from 5:53 AM to 6:11 AM, and sunset from 7:21 PM to 6:51 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
113.55:537:21
213.55:537:21
313.45:547:20
413.45:557:19
513.45:557:18
613.45:567:17
713.35:567:17
813.35:577:16
913.35:587:15
1013.35:587:14
1113.25:597:13
1213.26:007:12
1313.26:007:11
1413.26:017:10
1513.16:017:09
1613.16:027:08
1713.16:037:07
1813.06:037:06
1913.06:047:05
2013.06:047:04
2113.06:057:03
2212.96:067:02
2312.96:067:01
2412.96:077:00
2512.96:076:58
2612.86:086:57
2712.86:096:56
2812.86:096:55
2912.76:106:54
3012.76:106:52
3112.76:116:51

Solar energy in August

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in August, about 6.28 kWh/m².

For context, solar energy here swings from a low near 2.68 kWh/m² to a high of 6.72 kWh/m² in July across the year — August's 6.28 kWh/m² sits near the top of that range.

0246151015202531
Solar energy (kWh/m²)Level
16.7Intense
26.7Intense
36.7Intense
46.7Intense
56.7Intense
66.6Intense
76.6Intense
86.6Intense
96.5Intense
106.5Intense
116.5Intense
126.4Intense
136.4Intense
146.3Intense
156.3Intense
166.3Intense
176.2Intense
186.2Intense
196.2Intense
206.1Intense
216.1Intense
226.0Intense
236.0Intense
246.0Bright
255.9Bright
265.9Bright
275.8Bright
285.8Bright
295.8Bright
305.7Bright
315.7Bright
Planning a trip in August

Is August a good time to visit Austin?

Our two travel scores rate August for general sightseeing and for beach or pool weather — 0 (poor) to 10 (ideal).

2.7
Sightseeing
12th-best month of the year
6.0
Beach & pool
7th-best month of the year

August is a weaker month for outdoor sightseeing in Austin.

What to pack for Austin in August

From August's temperature range, rain chance, sun and wind — what's worth putting in the bag.

In August, Austin sees daytime highs around 95°F and nights near 75°F. Pack light clothes and sun protection. About 6 days see rain.

light clothessun protection

UV index in Austin in August

LowModerateHighVery highExtreme

Clear-sky midday UV in August peaks around 11 (very high — sun protection essential). The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in Austin peaks around July 24 at about 11 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near December 20 at about 4 (moderate).

The index reaches 3 or more — the level where the WHO recommends sun protection — every month of the year.

025710JanFebMarAprMayJunJulAugSepOctNovDecModerateHighVery highExtremeVery highHighModerateJul 24UV 11Dec 20UV 4
UV index (midday)Level
Jan4Moderate
Feb6High
Mar7High
Apr10Very high
May10Extreme
Jun10Extreme
Jul11Extreme
Aug11Extreme
Sep8Very high
Oct6High
Nov5Moderate
Dec4Moderate

Air quality in Austin in August

GoodModeratePoorUnhealthyVery unhealthy

Average fine-particle pollution (PM2.5) through the year — so you can see where August falls, not just the annual average.

Air quality in Austin is worst in July — around 18 µg/m³ PM2.5 (moderate), about 2.7× the cleanest month (November, 7 µg/m³).

Modeled monthly averages (CAMS reanalysis, 2015–2024).

01020JanFebMarAprMayJunJulAugSepOctNovDecGoodModerateGoodJul 1418 µg/m³Nov 237 µg/m³
PM2.5 (µg/m³)Level
Jan7Good
Feb8Good
Mar9Good
Apr10Good
May14Moderate
Jun16Moderate
Jul18Moderate
Aug13Moderate
Sep11Good
Oct7Good
Nov7Good
Dec7Good
Location & terrain

Where is Austin?

Austin sits at 30.3°N, 97.7°W, 489 ft above sea level, in United States. The nearest listed city is University of Texas, 1.2 mi away.

Topography around Austin

How much the land rises and falls, and what covers it, within 2, 10 and 50 miles of Austin.

Within 2 miles, the terrain around Austin has only modest variations in elevation — a maximum elevation change of 240 ft around an average of 525 ft above sea level; within 10 miles, only modest variations in elevation — a maximum elevation change of 719 ft; within 50 miles, significant variations in elevation — a maximum elevation change of 1,647 ft.

The land around Austin is covered by artificial surfaces (57%) and trees (33%) within 2 miles, trees (50%) and artificial surfaces (27%) within 10 miles, and trees (44%) and grassland (44%) within 50 miles.

2 miles
240 ft
10 miles
719 ft
50 miles
1,647 ft
treesgrasslandcroplandartificial surfacesbare terrainwater
August weather nearby: University of Texas 1.2 mi · Jollyville 12 mi · Pflugerville 14 mi · Brushy Creek 17 mi · Cedar Park 17 mi · Round Rock 17 mi · Kyle 21 mi · Hutto 22 mi

United States travel facts

Power plugs
Type A / B
120 V · 60 Hz
Prices
≈ 100% of US
price level, 2025
GDP per capita
$90,027
2025
Happiness
6.8 / 10
World Happiness, 2025
Safe drinking water
98%
of population, 2024
Homicide rate
5.8
per 100k, 2023
Road deaths
12.7
per 100k/yr, 2019
Income group
High
World Bank
Religion
Protestant 47%unaffiliated 23%Roman Catholic 21%Jewish 2%

Sources: World Bank, US State Department, World Happiness Report, WHO/UNICEF, EF EPI, CIA World Factbook.

Data sources

Temperature, precipitation, cloud, humidity, wind and solar figures are a 1991–2020 climatology for Austin (30.2672°, -97.7431°, elevation 489 ft), computed from hourly ERA5 reanalysis — contains modified Copernicus Climate Change Service information. Sun figures are astronomical calculations, not observations. City data © GeoNames, CC BY 4.0. Map outlines from Natural Earth (public domain); interactive map © Google. UV index is derived from CAMS (Copernicus Atmosphere Monitoring Service) clear-sky UV data — contains modified Copernicus Atmosphere Monitoring Service information. Monthly air-quality (PM2.5) seasonality is from the CAMS EAC4 reanalysis (Copernicus Atmosphere Monitoring Service), scaled to the WHO annual mean where available. Topography is sampled from the Copernicus DEM GLO-90 elevation model (© ESA/Airbus) and ESA WorldCover 2021 land cover (CC BY 4.0).