The weather in Katy in August is very hot. The average temperatures are between 25°C and 35°C, drinking water regularly is advisable.
You can expect rain for roughly half of the month of August in Katy. 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 Katy in August 2025.
If you’re planning to visit Katy in the near future, we highly recommend that you review the 14 day weather forecast for Katy before you arrive.
Temperatures
35° / 25°
Rainy Days
9
Snowy Days
0
Dry Days
22
Rainfall
184
mm
Sun Hours
11.3
Hrs
