Brownsville in Spring
In spring (March, April and May), Brownsville sees average daytime highs around 83°F and overnight lows near 68°F, with 5.1 in of rain over about 19 wet days across the season. It is the 3rd-warmest season and the 3rd-wettest season.
Over the season highs climb from about 76°F in early March to 89°F by late May. The sky is clear or mostly clear about 37% of the time across spring, and the air most often feels oppressive.
Spring is Brownsville's 2nd-best season to visit on our travel score. For the whole year in context, see Brownsville's year-round climate.
- Avg daytime high
- 83°F
- 3rd-warmest season
- Avg overnight low
- 68°F
- Rainfall
- 5.1 in
- 19 wet days
- Avg wind
- 12 mph
- Travel score
- 6.3
- 2nd-best season
- Months
- Mar · Apr · May
Temperature in Brownsville in Spring
Over the season highs climb from about 76°F in early March to 89°F by late May.
A typical spring day in Brownsville reaches about 83°F and drops to 68°F overnight. The warmest of the three months is May, the coolest March.
How spring really feels in Brownsville
Once humidity and wind are folded in, spring brings about 28 days that feel above 90°F and 0 that feel at or below 32°F.
The story in spring is heat — humidity pushes the afternoon "feels like" well above the raw temperature.
Brownsville weather by month
How the three spring months (March, April and May) compare with the rest of the year — the season's months are highlighted.
| Month | High / Low (°F) | Rainfall (inches) | Wet days | Daylight (hours) | Travel score |
|---|---|---|---|---|---|
| Jan | 71° / 55° | 1.3 | 5.7 | 10.6 | 7.1 |
| Feb | 74° / 58° | 1.1 | 5.3 | 11.1 | 7.5 |
| Mar | 78° / 63° | 1.5 | 5.7 | 11.8 | 7.4 |
| Apr | 83° / 68° | 1.9 | 5.9 | 12.6 | 6.5 |
| May | 87° / 74° | 1.8 | 7 | 13.2 | 5.0 |
| Jun | 91° / 77° | 2.3 | 10.3 | 13.6 | 3.8 |
| Jul | 92° / 78° | 2.5 | 8.8 | 13.5 | 3.5 |
| Aug | 93° / 78° | 2.1 | 10.4 | 12.9 | 3.2 |
| Sep | 89° / 75° | 4.2 | 15.6 | 12.2 | 3.7 |
| Oct | 84° / 69° | 2.8 | 9.4 | 11.4 | 5.8 |
| Nov | 78° / 62° | 1.7 | 7.6 | 10.7 | 7.2 |
| Dec | 72° / 56° | 1.3 | 5.9 | 10.4 | 7.3 |
Cloud cover in Spring
The sky is clear or mostly clear about 37% of the time across spring.
Chance of precipitation in Spring
Brownsville gets around 5.1 in of rain over 19 wet days across spring. The line is the day-by-day chance of measurable precipitation.
Humidity in Spring
Most of spring feels oppressive — the stacked bands show each day's mix of comfort levels, read off the dew point.
Wind in Spring
Winds average 12 mph across spring.
Sunrise & sunset in Spring
Daylight runs from about 11 h 24 min in early March to 13 h 30 min by late May. The lit band spans sunrise to sunset each day.
Solar energy in Spring
Average shortwave solar energy reaching the ground each day across spring, about 5.6 kWh/m².
Hazard calendar for Brownsville
None of Brownsville's seasonal hazards peak in spring. The full-year calendar below shows when the rainy season, cyclone risk and dust haze do.
Brownsville sits in the Atlantic hurricane belt; the season peaks August–October.
Is spring a good time to visit Brownsville?
Our two travel scores rate spring for general sightseeing and for beach or pool weather — 0 (poor) to 10 (ideal), averaged across the three months.
spring 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 Spring
From spring's temperature range, rain chance, sun and wind — what's worth putting in the bag.
In spring, Brownsville sees daytime highs around 83°F and nights near 68°F. Pack light clothes and sun protection. Worth having: a windbreaker. About 19 days see rain.
Sea temperature near Brownsville in Spring
The nearest coast averages about 73°F across spring — 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.
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Sea temperature (°F) | 66 | 66 | 68 | 72 | 78 | 82 | 82 | 83 | 84 | 81 | 75 | 70 |
| Comfort | Cool | Cool | Cool | Refreshing | Warm | Warm | Tropical | Tropical | Tropical | Warm | Warm | Refreshing |
| Sea temperature (°F) | Comfort | |
|---|---|---|
| Jan | 66 | Cool |
| Feb | 66 | Cool |
| Mar | 68 | Cool |
| Apr | 72 | Refreshing |
| May | 78 | Warm |
| Jun | 82 | Warm |
| Jul | 82 | Tropical |
| Aug | 83 | Tropical |
| Sep | 84 | Tropical |
| Oct | 81 | Warm |
| Nov | 75 | Warm |
| Dec | 70 | Refreshing |
UV index in Brownsville in Spring
Clear-sky midday UV across spring averages around 9 (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.
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| UV index (midday) | 5 | 7 | 8 | 11 | 9 | 12 | 11 | 11 | 10 | 8 | 6 | 5 |
| Level | Moderate | High | Very high | Extreme | Very high | Extreme | Extreme | Extreme | Very high | Very high | High | Moderate |
| UV index (midday) | Level | |
|---|---|---|
| Jan | 5 | Moderate |
| Feb | 7 | High |
| Mar | 8 | Very high |
| Apr | 11 | Extreme |
| May | 9 | Very high |
| Jun | 12 | Extreme |
| Jul | 11 | Extreme |
| Aug | 11 | Extreme |
| Sep | 10 | Very high |
| Oct | 8 | Very high |
| Nov | 6 | High |
| Dec | 5 | Moderate |
Air quality in Brownsville in Spring
Average fine-particle pollution (PM2.5) through the year — so you can see where spring 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).
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| PM2.5 (µg/m³) | 8 | 9 | 11 | 13 | 19 | 20 | 25 | 18 | 13 | 7 | 7 | 9 |
| Level | Good | Good | Good | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Good | Good | Good |
| PM2.5 (µg/m³) | Level | |
|---|---|---|
| Jan | 8 | Good |
| Feb | 9 | Good |
| Mar | 11 | Good |
| Apr | 13 | Moderate |
| May | 19 | Moderate |
| Jun | 20 | Moderate |
| Jul | 25 | Moderate |
| Aug | 18 | Moderate |
| Sep | 13 | Moderate |
| Oct | 7 | Good |
| Nov | 7 | Good |
| Dec | 9 | Good |
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.
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
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.