Brenham weather in March

In March, Brenham sees average daytime highs of 72°F and overnight lows near 53°F, with 3.2 in of rain across 8.5 wet days and about 11.8 hours of daylight. It is the 8th-warmest and 7th-wettest month of the year here.

Highs climb over the month, from about 68°F in the first days to 75°F by the end. The sky is clear or mostly clear about 33% of the time in March, and the air most often feels dry.

Daylight stretches from about 11 h 18 min at the start of March to 12 h 12 min by month's end. Set against the rest of the year, March is Brenham's 11th-clearest and 2nd-windiest month. For the whole year in context, see Brenham's year-round climate.

Daytime high
72°
8th warmest
Overnight low
53°
5th coldest
Rainfall
3.2 in
8.5 wet days
Daylight
11 h 48 min
6:42 AM – 6:28 PM
Cloud cover
58%
11th clearest
Wind
9 mph
2nd windiest
Solar energy
4.38 kWh/m²
Travel score
6.9
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 March

Average highAverage lowShaded bands: 10–90% of days

Highs climb over the month, from about 68°F in the first days to 75°F by the end.

A typical March day in Brenham reaches about 72°F in the afternoon and slips back to 53°F overnight — a 19°F spread between the day's warmth and the night's chill. On most days the high lands between 60°F and 81°F. Set against its neighbours, March runs about 6°F warmer than February and about 7°F cooler than April.

40°60°80°151015202531
Avg high (°F)Avg low (°F)
16849
26849
36849
46949
56950
66950
76950
87051
97051
107051
117052
127152
137152
147153
157253
167253
177254
187254
197354
207354
217355
227355
237455
247455
257455
267456
277456
287456
297556
307556
317556

How March really feels in Brenham

Once humidity and wind are folded in, March averages 0 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
0
heat index over the day's high
Days feeling ≤ 32°F
0
wind chill below the day's low

March sits comfortably in between — no days that feel dangerously hot or drop to a hard freeze once humidity and wind are folded in.

Brenham weather by month

How March compares with the rest of the year at a glance. March is the 8th-warmest and 7th-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 March

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 33% of the time in March.

Beyond those clear spells, partly cloudy skies cover about 13% of March, with mostly cloudy or overcast conditions the remaining 54%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
14654
24654
34654
44654
54654
64654
74654
84654
94555
104555
114654
124654
134654
144654
154753
164753
174753
184753
194753
204852
214753
224753
234753
244753
254753
264753
274753
284654
294555
304555
314555

Chance of precipitation in March

Any precipitation

Brenham gets around 3.2 in of rain over 8.5 wet days in March. The line is the day-by-day chance of measurable precipitation.

Day to day, the chance of measurable rain averages around 28% and peaks near 30% on the wettest days.

0%10%20%30%40%151015202531
Rain chance (%)
130
230
330
430
529
629
729
829
929
1029
1129
1229
1329
1429
1529
1628
1728
1827
1927
2026
2126
2226
2325
2425
2525
2625
2726
2826
2926
3027
3127

Humidity in March

DryComfortableHumidMuggyOppressiveMiserable

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

By dew point, March lands in the dry band about 54% of days. Sticky, muggy-or-worse air turns up on roughly 10% of them.

0%25%50%75%100%151015202531
Dry (%)Comfortable (%)Humid (%)Muggy (%)Oppressive (%)
168131450
268131450
368131450
466131560
566131560
666131560
764141660
863151660
961151770
1060161770
1159171770
1258171870
1356181880
1456181880
1554191980
1653191990
1752201990
18512019100
19502020100
20492120110
21482120110
22472120120
23462121130
24462021130
25452021140
26452021150
27452020150
28441920160
29441920161
30441920171
31431920171

Wind in March

Winds average 9 mph in March.

Across March, daily wind ranges from about 9 mph on the calmest days to 9 mph at its breeziest. It stays fairly steady from day to day.

051015151015202531
Wind speed (mph)Feels
19light breeze
29light breeze
39light breeze
49light breeze
59light breeze
69light breeze
79light breeze
89light breeze
99light breeze
109light breeze
119light breeze
129light breeze
139light breeze
149light breeze
159light breeze
169light breeze
179light breeze
189light breeze
199light breeze
209light breeze
219light breeze
229light breeze
239light breeze
249light breeze
259light breeze
269light breeze
279light breeze
289light breeze
299light breeze
309light breeze
319light breeze

Sunrise & sunset in March

DaylightNight

Daylight runs from about 11 h 18 min at the start of March to 12 h 12 min by month's end. The lit band spans sunrise to sunset each day.

Days grow by about 54 minutes over March. Sunrise moves from 6:59 AM to 6:23 AM, and sunset from 6:18 PM to 6:38 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
111.36:596:18
211.36:586:19
311.46:576:20
411.46:566:20
511.46:556:21
611.56:546:22
711.56:536:22
811.56:526:23
911.66:506:24
1011.66:496:25
1111.66:486:25
1211.66:476:26
1311.76:466:27
1411.76:446:27
1511.76:436:28
1611.86:426:28
1711.86:416:29
1811.86:406:30
1911.96:386:30
2011.96:376:31
2111.96:366:32
2212.06:356:32
2312.06:336:33
2412.06:326:34
2512.16:316:34
2612.16:306:35
2712.16:286:35
2812.16:276:36
2912.26:266:37
3012.26:256:37
3112.26:236:38

Solar energy in March

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in March, about 4.38 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 — March's 4.38 kWh/m² falls in the middle.

024151015202531
Solar energy (kWh/m²)Level
13.9Moderate
23.9Moderate
33.9Moderate
44.0Moderate
54.0Moderate
64.0Bright
74.1Bright
84.1Bright
94.1Bright
104.2Bright
114.2Bright
124.2Bright
134.3Bright
144.3Bright
154.3Bright
164.4Bright
174.4Bright
184.5Bright
194.5Bright
204.5Bright
214.6Bright
224.6Bright
234.6Bright
244.7Bright
254.7Bright
264.7Bright
274.7Bright
284.8Bright
294.8Bright
304.8Bright
314.9Bright
Planning a trip in March

Is March a good time to visit Brenham?

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

6.9
Sightseeing
3rd-best month of the year
4.8
Beach & pool
8th-best month of the year

March is a reasonable time to visit Brenham for sightseeing.

What to pack for Brenham in March

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

In March, Brenham sees daytime highs around 72°F and nights near 53°F. Worth packing: light clothes and rain gear. About 9 days see rain.

light clothesrain gear

UV index in Brenham in March

LowModerateHighVery highExtreme

Clear-sky midday UV in March peaks around 7 — enough to warrant sun protection. 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 March

GoodModeratePoorUnhealthyVery unhealthy

Average fine-particle pollution (PM2.5) through the year — so you can see where March 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
March 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).