weather in katy texas fahrenheit
Texas Weather > Katy Weather Katy, TX Weather Katy, TX climate is hot during summer when temperatures tend to be in the 80's and cool during winter when temperatures tend to be in the 50's. The warmest month of the year is July with an average maximum temperature of 93.70 degrees Fahrenheit, while the coldest month of the year is January with an average minimum temperature of 41.60 degrees Fahrenheit.