Brownsville climate

Brownsville Weather in August

NOAA 1991-2020 normals for Brownsville, 0.6 km from Brownsville

Average highs run from 91°F on August 1 to 89°F on August 31, and lows from 71°F to 67°F. Normal precipitation for the month is 3.32 in over about 7 wet days.

August day by day

The normal high and low for each date, and the record, in °F.

Normal daily high and low temperature at Brownsville, in °F, with the record for each date.406080100120151015202530
  • Normal low
  • Normal high
  • Record high
  • Record low

August at a glance

Average high
90°F
Average low
70°F
Precipitation
3.32 in
Record high
108°FAug 9, 1930
Record low
46°FAug 31, 1946
Chance of a freeze
0%
Days of 90°F or more
16.6
Daylight
13 h 56 min to 12 h 56 min
Cloud cover
46%
Humidity
67%
Dew point
67°F
Wind
6.3 mph

Every day of the month

A wet day has at least 0.01 inch of precipitation; snow means at least 0.1 inch of snowfall.

DateNormal highNormal lowRecord highRecord lowChance wetChance of snow
Aug 191°F71°F105°F 189654°F 192524%0%
Aug 291°F71°F102°F 189658°F 197124%0%
Aug 391°F71°F104°F 193455°F 192024%0%
Aug 491°F71°F103°F 201156°F 191224%0%
Aug 591°F71°F104°F 193453°F 191224%0%
Aug 691°F71°F105°F 193456°F 195723%0%
Aug 791°F71°F106°F 193455°F 200423%0%
Aug 891°F71°F106°F 193054°F 198923%0%
Aug 991°F70°F108°F 193055°F 198923%0%
Aug 1091°F70°F101°F 189656°F 197623%0%
Aug 1191°F70°F102°F 193556°F 198923%0%
Aug 1291°F70°F104°F 193453°F 196723%0%
Aug 1391°F70°F101°F 189652°F 196423%0%
Aug 1491°F70°F102°F 200750°F 200423%0%
Aug 1590°F70°F102°F 194350°F 200422%0%
Aug 1690°F70°F103°F 200750°F 200422%0%
Aug 1790°F70°F103°F 195453°F 200422%0%
Aug 1890°F70°F104°F 193655°F 200422%0%
Aug 1990°F70°F102°F 193651°F 194322%0%
Aug 2090°F69°F100°F 192556°F 194022%0%
Aug 2190°F69°F100°F 193654°F 192721%0%
Aug 2290°F69°F100°F 198353°F 193921%0%
Aug 2390°F69°F101°F 198355°F 194021%0%
Aug 2490°F69°F101°F 194350°F 189121%0%
Aug 2590°F69°F103°F 194353°F 189121%0%
Aug 2689°F69°F104°F 194352°F 195821%0%
Aug 2789°F68°F103°F 193653°F 194521%0%
Aug 2889°F68°F102°F 193651°F 196821%0%
Aug 2989°F68°F103°F 200048°F 198621%0%
Aug 3089°F68°F103°F 200049°F 198621%0%
Aug 3189°F67°F102°F 195146°F 194621%0%

Chance of rain

The chance of at least 0.01 inch of precipitation on each date at Brownsville, in percent, and of at least 0.1 inch of snowfall.05101520251102030
  • Chance of a wet day
  • Chance of snowfall

Sunrise and sunset

Times for 2026, local time (CDT).

August 1
sunrise 6:05 AM, sunset 8:01 PM
August 31
sunrise 6:29 AM, sunset 7:25 PM

Every day of August: sun and moon

Other months

Sources

Normals: NOAA NCEI U.S. Climate Normals, 1991-2020, station USC00401145 (Brownsville), public domain. Records: NOAA GHCN-Daily, station USC00402108, every year on file, quality-flagged values removed. Cloud, humidity, wind and sunshine: NASA POWER (MERRA-2, CERES and GEWEX SRB), 1991-2020. The data was obtained from the National Aeronautics and Space Administration (NASA) Langley Research Center's Prediction Of Worldwide Energy Resources (POWER) project funded through the NASA Earth Science Division: POWER Daily API v2, accessed 2026-09-24. Sun and moon: computed with the NOAA solar equations and Meeus.