Brownsville weather in July

In July, Brownsville sees average daytime highs of 92°F and overnight lows near 78°F, with 2.5 in of rain across 8.8 wet days and about 13.5 hours of daylight. It is the 2nd-warmest and 3rd-wettest month of the year here.

Day-to-day highs hold fairly steady near 92°F through the month. The sky is clear or mostly clear about 57% of the time in July, and the air most often feels miserable.

Daylight stretches from about 13 h 36 min at the start of July to 13 h 12 min by month's end. Set against the rest of the year, July is Brownsville's 2nd-clearest and 4th-windiest month. For the whole year in context, see Brownsville's year-round climate.

Daytime high
92°
2nd warmest
Overnight low
78°
12th coldest
Rainfall
2.5 in
8.8 wet days
Daylight
13 h 30 min
5:51 AM – 7:20 PM
Cloud cover
43%
2nd clearest
Wind
12 mph
4th windiest
Solar energy
6.72 kWh/m²
Travel score
3.5
out of 10

Brownsville is seat of Cameron County, Texas, United States.

Density
493/km²
people per km²
Founded
1849

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

Temperature in July

Average highAverage lowShaded bands: 10–90% of days

Day-to-day highs hold fairly steady near 92°F through the month.

A typical July day in Brownsville reaches about 92°F in the afternoon and slips back to 78°F overnight — a 14°F spread between the day's warmth and the night's chill. On most days the high lands between 89°F and 95°F. Set against its neighbours, July runs on par with June and on par with August.

70°80°90°100°151015202531
Avg high (°F)Avg low (°F)
19178
29178
39178
49178
59178
69178
79178
89278
99278
109278
119278
129278
139278
149278
159278
169278
179278
189278
199278
209278
219378
229378
239378
249378
259378
269378
279378
289378
299378
309378
319378

How July really feels in Brownsville

Once humidity and wind are folded in, July 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
31 feel dangerously hot (≥ 102°F)
Days feeling ≤ 32°F
0
wind chill below the day's low

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

Brownsville weather by month

How July compares with the rest of the year at a glance. July is the 2nd-warmest and 3rd-wettest month here — the current month is highlighted below.

MonthHigh / Low (°F)Rainfall (inches)Wet daysDaylight (hours)Travel score
Jan71° / 55°1.35.710.67.1
Feb74° / 58°1.15.311.17.5
Mar78° / 63°1.55.711.87.4
Apr83° / 68°1.95.912.66.5
May87° / 74°1.8713.25.0
Jun91° / 77°2.310.313.63.8
Jul92° / 78°2.58.813.53.5
Aug93° / 78°2.110.412.93.2
Sep89° / 75°4.215.612.23.7
Oct84° / 69°2.89.411.45.8
Nov78° / 62°1.77.610.77.2
Dec72° / 56°1.35.910.47.3

Cloud cover in July

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 57% of the time in July.

Beyond those clear spells, partly cloudy skies cover about 13% of July, with mostly cloudy or overcast conditions the remaining 30%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
16634
26634
36634
46733
56733
66733
76832
86832
97030
107030
117030
127129
137129
147228
157228
167228
177228
187228
197129
207129
217129
227030
237030
247129
257030
267030
277129
287129
297129
307228
317228

Chance of precipitation in July

Any precipitation

Brownsville gets around 2.5 in of rain over 8.8 wet days in July. The line is the day-by-day chance of measurable precipitation.

Day to day, the chance of measurable rain averages around 29% and peaks near 41% on the wettest days. The odds ease toward the end of the month.

0%10%20%30%40%50%151015202531
Rain chance (%)
141
240
339
438
536
635
733
832
930
1029
1129
1228
1327
1427
1526
1626
1726
1826
1926
2026
2126
2226
2326
2426
2526
2626
2726
2825
2925
3025
3125

Humidity in July

DryComfortableHumidMuggyOppressiveMiserable

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

By dew point, July lands in the miserable band about 50% of days. Sticky, muggy-or-worse air turns up on roughly 100% of them.

0%25%50%75%100%151015202531
Muggy (%)Oppressive (%)Miserable (%)
114752
214851
314851
414950
514950
604951
705050
805149
905149
1005149
1105248
1205248
1305248
1405248
1505248
1605248
1705149
1805149
1905149
2005050
2105050
2204951
2304951
2404852
2504852
2604852
2704852
2804852
2904753
3004753
3104753

Wind in July

Winds average 12 mph in July.

Across July, daily wind ranges from about 11 mph on the calmest days to 12 mph at its breeziest. It stays fairly steady from day to day.

051015151015202531
Wind speed (mph)Feels
112light breeze
212light breeze
312light breeze
412light breeze
512light breeze
612light breeze
712light breeze
812light breeze
912light breeze
1012light breeze
1112light breeze
1212light breeze
1312light breeze
1412light breeze
1512light breeze
1612light breeze
1712light breeze
1812light breeze
1912light breeze
2012light breeze
2112light breeze
2211light breeze
2311light breeze
2411light breeze
2511light breeze
2611light breeze
2711light breeze
2811light breeze
2911light breeze
3011light breeze
3111light breeze

Sunrise & sunset in July

DaylightNight

Daylight runs from about 13 h 36 min at the start of July to 13 h 12 min by month's end. The lit band spans sunrise to sunset each day.

Days shrink by about 24 minutes over July. Sunrise moves from 5:45 AM to 5:59 AM, and sunset from 7:21 PM to 7:13 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
113.65:457:21
213.65:467:21
313.65:467:21
413.65:467:21
513.65:477:21
613.65:477:21
713.65:477:21
813.65:487:21
913.55:487:21
1013.55:497:21
1113.55:497:21
1213.55:507:21
1313.55:507:21
1413.55:507:20
1513.55:517:20
1613.55:517:20
1713.55:527:20
1813.45:527:19
1913.45:537:19
2013.45:537:19
2113.45:547:18
2213.45:547:18
2313.45:557:17
2413.45:557:17
2513.35:567:17
2613.35:567:16
2713.35:577:16
2813.35:577:15
2913.35:587:15
3013.35:587:14
3113.25:597:13

Solar energy in July

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in July, about 6.72 kWh/m² — the sunniest month for solar.

For context, solar energy here swings from a low near 2.92 kWh/m² to a high of 6.72 kWh/m² in July across the year — July's 6.72 kWh/m² sits near the top of that range.

0246151015202531
Solar energy (kWh/m²)Level
16.5Intense
26.5Intense
36.5Intense
46.6Intense
56.6Intense
66.6Intense
76.6Intense
86.7Intense
96.7Intense
106.7Intense
116.7Intense
126.7Intense
136.8Intense
146.8Intense
156.8Intense
166.8Intense
176.8Intense
186.8Intense
196.8Intense
206.8Intense
216.8Intense
226.8Intense
236.8Intense
246.8Intense
256.8Intense
266.8Intense
276.7Intense
286.7Intense
296.7Intense
306.7Intense
316.7Intense
Planning a trip in July

Hazard calendar for Brownsville

In seasonPeak

In July, Brownsville sits inside its atlantic hurricane season. The full year is below, with each hazard's peak months called out.

Brownsville sits in the Atlantic hurricane belt; the season peaks August–October.

Atlantic hurricane
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec

Is July a good time to visit Brownsville?

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

3.5
Sightseeing
11th-best month of the year
6.5
Beach & pool
6th-best month of the year

July is a weaker month for outdoor sightseeing in Brownsville. The water and warmth also suit a beach or pool day.

What to pack for Brownsville in July

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

In July, Brownsville sees daytime highs around 92°F and nights near 78°F. Pack light clothes and sun protection. Worth having: rain gear. About 9 days see rain.

light clothessun protectionrain gear

Sea temperature near Brownsville in July

The nearest coast averages about 82°F in July — the other half of the beach question. The full-year curve and swim-comfort zones are below.

The sea at the nearest coast (about 23 mi away) is warmest in September at about 84°F and coldest in February near 66°F.

It's comfortable for a long swim from Mar 18 to Jan 2 — about 9.6 months when the water holds above 68°F.

70°80°JanFebMarAprMayJunJulAugSepOctNovDeccoolrefreshingwarmtropicalcomfortable to swim
Sea temperature (°F)Comfort
Jan66Cool
Feb66Cool
Mar68Cool
Apr72Refreshing
May78Warm
Jun82Warm
Jul82Tropical
Aug83Tropical
Sep84Tropical
Oct81Warm
Nov75Warm
Dec70Refreshing

UV index in Brownsville in July

LowModerateHighVery highExtreme

Clear-sky midday UV in July 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 Brownsville peaks around June 21 at about 12 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near December 22 at about 5 (moderate).

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

025710JanFebMarAprMayJunJulAugSepOctNovDecHighVery highExtremeVery highExtremeVery highHighJun 21UV 12Dec 22UV 5
UV index (midday)Level
Jan5Moderate
Feb7High
Mar8Very high
Apr11Extreme
May9Very high
Jun12Extreme
Jul11Extreme
Aug11Extreme
Sep10Very high
Oct8Very high
Nov6High
Dec5Moderate

Air quality in Brownsville in July

GoodModeratePoorUnhealthyVery unhealthy

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

Air quality in Brownsville is worst in July — around 25 µg/m³ PM2.5 (moderate), about 3.7× the cleanest month (October, 7 µg/m³).

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

0102030JanFebMarAprMayJunJulAugSepOctNovDecGoodModerateGoodJul 1525 µg/m³Oct 247 µg/m³
PM2.5 (µg/m³)Level
Jan8Good
Feb9Good
Mar11Good
Apr13Moderate
May19Moderate
Jun20Moderate
Jul25Moderate
Aug18Moderate
Sep13Moderate
Oct7Good
Nov7Good
Dec9Good
Location & terrain

Where is Brownsville?

Brownsville sits at 25.9°N, 97.5°W, 33 ft above sea level, in United States. The nearest listed city is Heroica Matamoros, 1.9 mi away.

Topography around Brownsville

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

Within 2 miles, the terrain around Brownsville has only modest variations in elevation — a maximum elevation change of 49 ft around an average of 36 ft above sea level; within 10 miles, only modest variations in elevation — a maximum elevation change of 92 ft; within 50 miles, only modest variations in elevation — a maximum elevation change of 259 ft.

The land around Brownsville is covered by artificial surfaces (50%) and trees (33%) within 2 miles, cropland (28%), grassland (22%) and artificial surfaces (20%) within 10 miles, and cropland (37%) and water (34%) within 50 miles.

2 miles
49 ft
10 miles
92 ft
50 miles
259 ft
treesshrubsgrasslandcroplandartificial surfacesbare terrainwaterwetland
July weather nearby: Heroica Matamoros 1.9 mi · San Benito 18 mi · Harlingen 24 mi · Valle Hermoso 25 mi · Mercedes 31 mi · Weslaco 35 mi · Ciudad Río Bravo 37 mi · Donna 39 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 Brownsville (25.9017°, -97.4975°, elevation 33 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. Tropical-cyclone seasons are the published climatological basin seasons (NOAA National Hurricane Center / regional warning centres). Sea temperatures are the NOAA OISST v2.1 1991–2020 monthly climatology (public domain), sampled at the nearest ocean point. 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).