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Houston weather in August 2025
Expect 33°C daytime maximum temperatures in the shade with on average 9 hours of sunshine per day in Houston in August. Check more long-term weather averages for Houston in August before you book your next holiday to Texas in 2025/2026.
- 33°C max day temperature
33 - 9 hours of sunshine per day
- 9 days with some rainfall
9 - 24°C min night temperature
24 - 13 hours of daylight per day
13 - Very High heat & humidity
VH - 100 mm of monthly rainfall
100 - 10 (Very High) UV index
10
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The August weather guide for Texas (Houston) 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)
More about the USA
How hot is it in Houston in August?
Daytime temperatures usually reach 33°C in Houston in August with very high heat and humidity, falling to 24°C at night.
How sunny is it in Houston in August?
There are normally 9 hours of bright sunshine each day in Houston in August - that's 67% of daylight hours.
Does it rain in Houston in August?
There are usually 9 days with some rain in Houston in August and the average monthly rainfall is 100mm.
What is the chance of a hurricane in Houston in August?
On average less than 1 day in August in Houston is likely to be affected by the passage of one or more tropical storms.
Houston August sunrise & sunset times
Browse the sunrise and sunset times for Houston in August 2025. Select a month to view Houston sunrise and sunset times for the next 12 months.
JanFebMarAprMayJunJulAugSepOctNovDec
| Date | Sunrise times | Sunset times |
|---|---|---|
| Friday, 1st August 2025 | 05:41 | 19:14 |
| Saturday, 16th August 2025 | 05:50 | 19:01 |
| Sunday, 31st August 2025 | 05:58 | 18:45 |
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