Brownsville weather in April

In April, Brownsville sees average daytime highs of 83°F and overnight lows near 68°F, with 1.9 in of rain across 5.9 wet days and about 12.6 hours of daylight. It is the 7th-warmest and 6th-wettest month of the year here.

Highs climb over the month, from about 81°F in the first days to 85°F by the end. The sky is clear or mostly clear about 35% of the time in April, and the air most often feels oppressive.

Daylight stretches from about 12 h 12 min at the start of April to 12 h 54 min by month's end. Set against the rest of the year, April is Brownsville's 8th-clearest and 1st-windiest month. For the whole year in context, see Brownsville's year-round climate.

Daytime high
83°
7th warmest
Overnight low
68°
6th coldest
Rainfall
1.9 in
5.9 wet days
Daylight
12 h 36 min
6:12 AM – 6:48 PM
Cloud cover
54%
8th clearest
Wind
13 mph
1st windiest
Solar energy
5.73 kWh/m²
Travel score
6.5
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 April

Average highAverage lowShaded bands: 10–90% of days

Highs climb over the month, from about 81°F in the first days to 85°F by the end.

A typical April day in Brownsville reaches about 83°F in the afternoon and slips back to 68°F overnight — a 15°F spread between the day's warmth and the night's chill. On most days the high lands between 76°F and 89°F. Set against its neighbours, April runs about 5°F warmer than March and about 5°F cooler than May.

50°60°70°80°90°151015202530
Avg high (°F)Avg low (°F)
18166
28166
38166
48166
58166
68167
78267
88267
98267
108267
118267
128267
138268
148368
158368
168368
178368
188369
198369
208369
218469
228469
238470
248470
258470
268570
278570
288571
298571
308571

How April really feels in Brownsville

Once humidity and wind are folded in, April 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

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

Brownsville weather by month

How April compares with the rest of the year at a glance. April is the 7th-warmest and 6th-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 April

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 35% of the time in April.

Beyond those clear spells, partly cloudy skies cover about 19% of April, with mostly cloudy or overcast conditions the remaining 47%.

0%25%50%75%100%151015202530
Clearer (%)Cloudier (%)
15050
24951
35050
45050
55149
65149
75149
85149
95248
105248
115248
125347
135248
145347
155347
165347
175347
185347
195446
205446
215347
225446
235446
245545
255545
265644
275644
285644
295743
305743

Chance of precipitation in April

Any precipitation

Brownsville gets around 1.9 in of rain over 5.9 wet days in April. 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 21% on the wettest days.

0%10%20%30%151015202530
Rain chance (%)
118
218
319
419
520
620
720
820
921
1021
1121
1221
1320
1420
1520
1620
1720
1820
1919
2019
2119
2219
2318
2418
2518
2617
2717
2817
2917
3017

Humidity in April

DryComfortableHumidMuggyOppressiveMiserable

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

By dew point, April lands in the oppressive band about 35% of days. Sticky, muggy-or-worse air turns up on roughly 66% of them.

0%25%50%75%100%151015202530
Dry (%)Comfortable (%)Humid (%)Muggy (%)Oppressive (%)Miserable (%)
115111735230
215111734240
314111734250
414111633250
514111633260
614111633270
714111633270
814111632270
914111533280
1013101533280
1113101633290
1212101632290
1312101632300
1412101632310
151191632320
161191632330
171091532341
181081531351
19981531361
20881530371
21881529382
22771529402
23771528412
24771427432
25771426443
26671325463
27661324473
28661323493
29661322504
30661221514

Wind in April

Winds average 13 mph in April, the windiest month of the year.

Across April, daily wind ranges from about 12 mph on the calmest days to 13 mph at its breeziest. It stays fairly steady from day to day.

051015151015202530
Wind speed (mph)Feels
112light breeze
212light breeze
312light breeze
412light breeze
512light breeze
612light breeze
712breezy
812breezy
912breezy
1012breezy
1112breezy
1212breezy
1313breezy
1413breezy
1513breezy
1613breezy
1713breezy
1813breezy
1913breezy
2013breezy
2113breezy
2213breezy
2313breezy
2413breezy
2513breezy
2613breezy
2713breezy
2813breezy
2913breezy
3013breezy

Sunrise & sunset in April

DaylightNight

Daylight runs from about 12 h 12 min at the start of April to 12 h 54 min by month's end. The lit band spans sunrise to sunset each day.

Days grow by about 42 minutes over April. Sunrise moves from 6:28 AM to 5:59 AM, and sunset from 6:41 PM to 6:56 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202530
Daylight (h)Sunrise (AM)Sunset (PM)
112.26:286:41
212.36:276:42
312.36:266:42
412.36:256:43
512.36:236:43
612.46:226:44
712.46:216:44
812.46:206:45
912.46:196:45
1012.56:186:46
1112.56:176:46
1212.56:166:47
1312.56:156:47
1412.66:146:48
1512.66:136:48
1612.66:126:48
1712.66:116:49
1812.76:106:49
1912.76:096:50
2012.76:086:50
2112.76:076:51
2212.86:066:51
2312.86:056:52
2412.86:046:52
2512.86:036:53
2612.86:036:53
2712.96:026:54
2812.96:016:54
2912.96:006:55
3012.95:596:56

Solar energy in April

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in April, about 5.73 kWh/m².

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 — April's 5.73 kWh/m² falls in the middle.

0246151015202530
Solar energy (kWh/m²)Level
15.3Bright
25.3Bright
35.3Bright
45.4Bright
55.4Bright
65.5Bright
75.5Bright
85.5Bright
95.6Bright
105.6Bright
115.6Bright
125.7Bright
135.7Bright
145.7Bright
155.7Bright
165.8Bright
175.8Bright
185.8Bright
195.8Bright
205.9Bright
215.9Bright
225.9Bright
235.9Bright
246.0Bright
256.0Bright
266.0Intense
276.0Intense
286.0Intense
296.1Intense
306.1Intense
Planning a trip in April

Hazard calendar for Brownsville

In seasonPeak

None of Brownsville's seasonal hazards are active in April. The full-year calendar below shows when the rainy season, cyclone risk and dust haze do peak.

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 April a good time to visit Brownsville?

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

6.5
Sightseeing
6th-best month of the year
7.5
Beach & pool
1st-best month of the year

April is a reasonable time to visit Brownsville for sightseeing. The water and warmth also suit a beach or pool day.

What to pack for Brownsville in April

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

In April, Brownsville sees daytime highs around 83°F and nights near 68°F. Pack light clothes. Worth having: sun protection and a windbreaker. About 6 days see rain.

light clothessun protectiona windbreaker

Sea temperature near Brownsville in April

The nearest coast averages about 72°F in April — 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 April

LowModerateHighVery highExtreme

Clear-sky midday UV in April 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 April

GoodModeratePoorUnhealthyVery unhealthy

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