The weather in Houston in August is very hot. The average temperatures are between 26°C and 34°C, drinking water regularly is advisable.
You can expect rain for roughly half of the month of August in Houston. We’re expecting roughly 8 to 15 days of rain, so your rubber boots and umbrella are going to see plenty of use this month if you’re keen on staying dry.
Our weather forecast can give you a great sense of what weather to expect in Houston in August 2025.
If you’re planning to visit Houston in the near future, we highly recommend that you review the 14 day weather forecast for Houston before you arrive.
Temperatures
34° / 26°
Rainy Days
12
Snowy Days
0
Dry Days
19
Rainfall
303
mm
Sun Hours
11.5
Hrs
