Brownsville climate

Brownsville Weather in August

NOAA 1991-2020 normals for Nolin Rvr Lake, 10 km from Brownsville

Average highs run from 91°F on August 1 to 89°F on August 31, and lows from 64°F to 60°F. Normal precipitation for the month is 3.50 in over about 8 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
91°F
Average low
63°F
Precipitation
3.50 in
Record high
110°FAug 9, 1930
Record low
42°FAug 31, 1946
Chance of a freeze
0%
Days of 90°F or more
17.6
Daylight
14 h 02 min to 13 h 00 min
Cloud cover
50%
Humidity
71%
Dew point
66°F
Wind
5.1 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°F64°F102°F 193153°F 192528%0%
Aug 291°F64°F102°F 194252°F 192028%0%
Aug 391°F64°F103°F 189752°F 192028%0%
Aug 491°F64°F104°F 193049°F 191228%0%
Aug 591°F64°F104°F 193049°F 191228%0%
Aug 691°F64°F105°F 191851°F 194828%0%
Aug 791°F64°F105°F 193052°F 200428%0%
Aug 891°F63°F109°F 193052°F 198928%0%
Aug 991°F63°F110°F 193052°F 198928%0%
Aug 1091°F63°F103°F 191854°F 197627%0%
Aug 1191°F63°F106°F 191854°F 196227%0%
Aug 1291°F63°F105°F 191853°F 190227%0%
Aug 1391°F63°F102°F 191850°F 196427%0%
Aug 1491°F63°F101°F 195449°F 200427%0%
Aug 1591°F63°F104°F 200750°F 200427%0%
Aug 1691°F63°F106°F 200750°F 196327%0%
Aug 1791°F63°F101°F 193653°F 197927%0%
Aug 1891°F63°F105°F 193654°F 197627%0%
Aug 1991°F62°F105°F 193650°F 194327%0%
Aug 2091°F62°F103°F 193653°F 195327%0%
Aug 2191°F62°F105°F 193650°F 194327%0%
Aug 2291°F62°F102°F 200749°F 195626%0%
Aug 2391°F62°F102°F 200749°F 195026%0%
Aug 2490°F62°F103°F 194350°F 192326%0%
Aug 2590°F62°F102°F 194352°F 194226%0%
Aug 2690°F61°F104°F 194349°F 191726%0%
Aug 2790°F61°F102°F 192447°F 194526%0%
Aug 2890°F61°F106°F 193649°F 198626%0%
Aug 2990°F61°F101°F 190943°F 198626%0%
Aug 3089°F61°F99°F 192446°F 194626%0%
Aug 3189°F60°F102°F 193242°F 194626%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.01020301102030
  • Chance of a wet day
  • Chance of snowfall

Sunrise and sunset

Times for 2026, local time (CDT).

August 1
sunrise 5:50 AM, sunset 7:52 PM
August 31
sunrise 6:15 AM, sunset 7:15 PM

Every day of August: sun and moon

Other months

Sources

Normals: NOAA NCEI U.S. Climate Normals, 1991-2020, station USC00155834 (Nolin Rvr Lake), public domain. Records: NOAA GHCN-Daily, station USW00093808, 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.