Brenham weather in August

In August, Brenham sees average daytime highs of 95°F and overnight lows near 76°F, with 2.7 in of rain across 7.5 wet days and about 13.1 hours of daylight. It is the 1st-warmest and 10th-wettest month of the year here.

Day-to-day highs hold fairly steady near 95°F through the month. The sky is clear or mostly clear about 48% of the time in August, and the air most often feels oppressive.

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 Brenham's 3rd-clearest and 11th-windiest month. For the whole year in context, see Brenham's year-round climate.

Daytime high
95°
1st warmest
Overnight low
76°
12th coldest
Rainfall
2.7 in
7.5 wet days
Daylight
13 h 06 min
5:57 AM – 7:03 PM
Cloud cover
48%
3rd clearest
Wind
7 mph
11th windiest
Solar energy
6.1 kWh/m²
Travel score
2.7
out of 10

Brenham is city and county seat of Washington County, Texas, United States.

Density
497/km²
people per km²
Founded
1844

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

Temperature in August

Average highAverage lowShaded bands: 10–90% of days

Day-to-day highs hold fairly steady near 95°F through the month.

A typical August day in Brenham reaches about 95°F in the afternoon and slips back to 76°F overnight — a 19°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 5°F warmer than September.

70°80°90°100°151015202531
Avg high (°F)Avg low (°F)
19676
29676
39676
49676
59676
69676
79676
89676
99676
109676
119676
129676
139576
149576
159576
169576
179576
189576
199576
209576
219476
229475
239475
249475
259475
269475
279475
289375
299375
309374
319374

How August really feels in Brenham

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
17 feel dangerously hot (≥ 102°F)
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.

Brenham weather by month

How August compares with the rest of the year at a glance. August is the 1st-warmest and 10th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°F)Rainfall (inches)Wet daysDaylight (hours)Travel score
Jan62° / 43°3.28.610.35.4
Feb65° / 46°2.78.410.96.1
Mar72° / 53°3.28.511.86.9
Apr78° / 59°3.4812.77.0
May86° / 67°4.19.713.55.2
Jun91° / 74°3.31013.93.7
Jul94° / 76°1.97.313.73.0
Aug95° / 76°2.77.513.12.7
Sep90° / 71°3.18.412.24.3
Oct81° / 61°3.67.211.36.9
Nov71° / 51°3.37.910.57.1
Dec63° / 45°3.68.710.15.8

Cloud cover in August

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 48% of the time in August.

Beyond those clear spells, partly cloudy skies cover about 18% of August, with mostly cloudy or overcast conditions the remaining 34%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
16832
26832
36733
46832
56733
66733
76733
86733
96733
106733
116733
126832
136832
146832
156832
166733
176832
186733
196634
206634
216535
226535
236535
246436
256436
266436
276337
286337
296337
306337
316337

Chance of precipitation in August

Any precipitation

Brenham gets around 2.7 in of rain over 7.5 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 25% and peaks near 29% on the wettest days. The odds climb toward the end of the month.

0%10%20%30%40%151015202531
Rain chance (%)
119
219
319
420
520
620
721
821
922
1022
1123
1224
1324
1425
1526
1626
1726
1827
1927
2027
2127
2227
2327
2427
2528
2628
2728
2828
2928
3029
3129

Humidity in August

DryComfortableHumidMuggyOppressiveMiserable

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

By dew point, August lands in the oppressive band about 62% of days. Sticky, muggy-or-worse air turns up on roughly 93% of them.

0%25%50%75%100%151015202531
Dry (%)Comfortable (%)Humid (%)Muggy (%)Oppressive (%)Miserable (%)
101428652
201428652
301427662
401427662
501427662
601327672
701327663
801327663
901326673
1002327653
1102327653
1202327644
1302327644
1402327644
1502328634
1602428624
1702429605
1802429605
1902429605
2002429605
2102529595
2202529595
2302629585
2402629585
2502728585
2602728594
2702828584
2812828574
2913927564
30131027554
31231027544

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
237calm
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 5:48 AM to 6:06 AM, and sunset from 7:16 PM to 6:46 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
113.55:487:16
213.45:487:15
313.45:497:14
413.45:497:14
513.45:507:13
613.45:517:12
713.35:517:11
813.35:527:10
913.35:527:09
1013.35:537:08
1113.25:547:08
1213.25:547:07
1313.25:557:06
1413.25:557:05
1513.15:567:04
1613.15:577:03
1713.15:577:02
1813.05:587:01
1913.05:597:00
2013.05:596:58
2113.06:006:57
2212.96:006:56
2312.96:016:55
2412.96:016:54
2512.86:026:53
2612.86:036:52
2712.86:036:51
2812.86:046:49
2912.76:046:48
3012.76:056:47
3112.76:066:46

Solar energy in August

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in August, about 6.1 kWh/m².

For context, solar energy here swings from a low near 2.61 kWh/m² to a high of 6.52 kWh/m² in July across the year — August's 6.1 kWh/m² sits near the top of that range.

0246151015202531
Solar energy (kWh/m²)Level
16.5Intense
26.5Intense
36.5Intense
46.5Intense
56.5Intense
66.4Intense
76.4Intense
86.4Intense
96.3Intense
106.3Intense
116.3Intense
126.3Intense
136.2Intense
146.2Intense
156.2Intense
166.1Intense
176.1Intense
186.0Intense
196.0Bright
206.0Bright
215.9Bright
225.9Bright
235.8Bright
245.8Bright
255.8Bright
265.7Bright
275.7Bright
285.7Bright
295.6Bright
305.6Bright
315.5Bright
Planning a trip in August

Is August a good time to visit Brenham?

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
5.9
Beach & pool
7th-best month of the year

August is a weaker month for outdoor sightseeing in Brenham.

What to pack for Brenham in August

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

In August, Brenham sees daytime highs around 95°F and nights near 76°F. Pack light clothes and sun protection. About 8 days see rain.

light clothessun protection

UV index in Brenham 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 Brenham peaks around July 24 at about 11 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near December 21 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 21UV 4
UV index (midday)Level
Jan4Moderate
Feb6High
Mar7High
Apr10Very high
May10Extreme
Jun10Extreme
Jul11Extreme
Aug11Extreme
Sep8Very high
Oct6High
Nov5Moderate
Dec4Moderate

Air quality in Brenham 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 Brenham is worst in July — around 19 µg/m³ PM2.5 (moderate), about 2.7× the cleanest month (November, 7 µg/m³).

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

0102030JanFebMarAprMayJunJulAugSepOctNovDecGoodModerateGoodJul 1419 µg/m³Nov 237 µg/m³
PM2.5 (µg/m³)Level
Jan7Good
Feb8Good
Mar10Good
Apr11Good
May15Moderate
Jun16Moderate
Jul19Moderate
Aug14Moderate
Sep11Good
Oct7Good
Nov7Good
Dec7Good
Location & terrain

Where is Brenham?

Brenham sits at 30.2°N, 96.4°W, 341 ft above sea level, in United States. The nearest listed city is College Station, 32 mi away.

Topography around Brenham

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

Within 2 miles, the terrain around Brenham has only modest variations in elevation — a maximum elevation change of 210 ft around an average of 325 ft above sea level; within 10 miles, only modest variations in elevation — a maximum elevation change of 361 ft; within 50 miles, only modest variations in elevation — a maximum elevation change of 682 ft.

The land around Brenham is covered by grassland (42%), trees (33%) and artificial surfaces (22%) within 2 miles, grassland (74%) and trees (23%) within 10 miles, and grassland (54%) and trees (37%) within 50 miles.

2 miles
210 ft
10 miles
361 ft
50 miles
682 ft
treesgrasslandcroplandartificial surfacesbare terrainwater
August weather nearby: College Station 32 mi · Bryan 35 mi · Katy 43 mi · Cypress 44 mi · Cinco Ranch 48 mi · The Woodlands 54 mi · Pecan Grove 55 mi · Mission Bend 55 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 Brenham (30.1669°, -96.3977°, elevation 341 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).