Dallas weather in August 2026

Expect daytime maximum temperatures of 35°C in Dallas, 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 54 mm of rainfall in the month.

• 35
  35°C max day temperature
• 10
  10 hours of sunshine per day
• 5
  5 days with some rainfall
• 24
  24°C min night temperature
• 13
  13 hours of daylight per day
• VH
  Very High heat & humidity
• 54
  54 mm of monthly rainfall
• 10
  10 (Very High) UV index

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The August weather guide for Texas (Dallas) 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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Dallas August sunrise & sunset times

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

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