Brownsville, TX weather in March
In March, Brownsville sees highs around 81°F and lows around 62°F: warm, often humid and mostly dry. There are about 5 days with rain. Good for outdoor plans.
- Normal high
- 81°F
- Normal low
- 62°F
- Wet days
- 5
- 1.4 in total
- Muggy days
- 13
- dew point 65°F+
How March changes from start to finish
| March 1 | March 31 | |
|---|---|---|
| Normal high | 78°F | 83°F |
| Normal low | 59°F | 65°F |
| Chance of a wet day | 17% | 17% |
| Sunrise / sunset | 6:53 am / 6:31 pm | 7:22 am / 7:46 pm |
| Daylight | 11.6 h | 12.4 h |
Chance of a wet day: average for the first and last 7 days of the month. Times are local clock time (Central Time).
A typical March day
- 6 am64°Fdew point 60°F
- 9 am70°Fdew point 62°F
- Noon76°Fdew point 60°F
- 3 pm77°Fdew point 60°F
- 6 pm72°Fdew point 60°F
- 9 pm67°Fdew point 61°F
NOAA hourly normals (local standard time) from Brownsville (5 mi away); average wind 12 mph; clear or few clouds in 53% of daytime hours, mostly cloudy or overcast in 39%.
What kind of days to expect
- Comfortable dayshigh 65-80°F and dew point under 60°F8 of 31
- Hot dayshigh 90°F or more1 of 31
- Muggy daysdaily mean dew point 65°F or more13 of 31
- Wet daysat least 0.01 in of rain or melted snow5 of 31
- Notable rainat least 0.10 in2 of 31
- Freezing nightslow 32°F or below0 of 31
Average days per March, counted from daily records for each year 1991-2020.
Rain in March
Normal precipitation is 1.4 in; a dry March brings about 0.3 in and a wet one about 2.1 in (25th and 75th percentiles). About 1 day brings half an inch or more.
How March varies from year to year
- Warmest March, 1991-20202020: average high 85°F
- Coolest March2015: average high 75°F
- Wettest March1997: 5.9 in
- Driest March1996: no measurable precipitation
- Highest reading101°F (March 27, 2009)
- Lowest reading36°F (March 5, 2007)
From the station's daily records with NOAA quality flags removed; most recent date shown when a reading repeats.
March compared with February and April
| February | March | April | |
|---|---|---|---|
| Normal high | 76°F | 81°F | 86°F |
| Normal low | 57°F | 62°F | 68°F |
| Wet days | 5 | 5 | 5 |
| Comfortable days | 11 | 8 | 3 |
| Daylight | 11.3 h | 12.0 h | 12.8 h |
Highs change by +5°F from February and +5°F into April.
Nearby alternatives in March
- Cooler: South Padre Island, TX25 mi · high 75°F · 5 wet days
How Brownsville ranks in March
- Normal high13th warmest of 378 cities; 4th of 38 in Texas
- Wet days43rd driest of 378
- Comfortable days184th most of 339
Heating and cooling
March has 29 heating degree days and 225 cooling degree days (base 65°F), 5% of the year's total heating and cooling demand.
Questions
How hot is Brownsville in March?
The normal high is 81°F and the normal low is 62°F. From 1991 to 2020 the hottest March reading was 101°F (March 27, 2009).
Does it rain a lot in Brownsville in March?
About 5 days in March have at least 0.01 in of precipitation, and the normal total is 1.5 in. The wettest March in 1991-2020 was in 1997 (5.9 in); the driest was in 1996, with no measurable precipitation.
Is March a good time to visit Brownsville?
March ranks 4th of 12 months on our comfort score for Brownsville (60 out of 100). It has about 8 comfortable days and about 1 day at 90°F or hotter. The best months are January, February and December.
Where the numbers come from
- Temperature, rain, frost dates and humidity and wind by hour: Brownsville (USW00012919), 5.0 mi E of the city center, 23 ft . NOAA normals and daily records, 1991-2020.
- Snowfall and snow depth: Port Isabel (USC00417179), 18 mi NE of the city center, 17 ft . NOAA normals and daily records, 1991-2020.
- Cloud cover: Mcallen Miller Intl Airport (USW00012959), 51 mi WNW of the city center, 100 ft (65 ft higher than the city). NOAA normals and daily records, 1991-2020.
- Daily humidity and wind: Brownsville/S Padre Island Intl Airport (722500-12919), 4.7 mi E of the city center, 19 ft . Hourly observations, 1991-2020.