Brownsville weather in August 2026

Expect daytime maximum temperatures of 34°C in Brownsville, Texas in August and very high heat and humidity based on long-term weather averages. There are 10 hours of sunshine per day on average with typically 62 mm of rainfall in the month.

  • 34°C maximum daytime temperature in August in Brownsville34
    34°C max day temperature
  • 10 hours of sunshine per day
  • 7 days with some rainfall in August in Brownsville7
    7 days with some rainfall
  • 24°C minimum night-time temperature in August in Brownsville24
    24°C min night temperature
  • 13 hours of daylight per day in August in Brownsville13
    13 hours of daylight per day
  • Very high heat & humidity in August in BrownsvilleVH
    Very High heat & humidity
  • 62 mm monthly rainfall in August in Brownsville62
    62 mm of monthly rainfall
  • UV (maximum) index 11 (Extreme) in August in Brownsville11
    11 (Extreme) UV index

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The August weather guide for Texas (Brownsville) shows long term weather averages processed from data supplied by CRU (University of East Anglia), the Met Office & the Netherlands Meteorological Institute. Find out more about our data sources.

Metric (°C / mm)  |  Imperial (°F / inches)

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How hot is it in Brownsville in August?

Daytime temperatures usually reach 34°C in Brownsville in August with very high heat and humidity, falling to 24°C at night.

How sunny is it in Brownsville in August?

There are normally 10 hours of bright sunshine each day in Brownsville in August - that's 75% of daylight hours.

Does it rain in Brownsville in August?

There are usually 7 days with some rain in Brownsville in August and the average monthly rainfall is 62mm.

What is the chance of a hurricane in Brownsville in August?

On average less than 1 day in August in Brownsville is likely to be affected by the passage of one or more tropical storms.

Brownsville August sunrise & sunset times

Browse the sunrise and sunset times for Brownsville in August 2026. Select a month to view Brownsville sunrise and sunset times for the next 12 months.

JanFebMarAprMayJunJulAugSepOctNovDec

Date Sunrise times Sunset times
Saturday, 1st August 2026 05:56 19:16
Sunday, 16th August 2026 06:03 19:05
Monday, 31st August 2026 06:10 18:50

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