The climate in 77449 Katy, TX is classified as a humid subtropical climate. Summers are hot and humid with average temperatures reaching into the mid-90s Fahrenheit (mid-30s Celsius) during the hottest months of July and August. Winters are mild with average temperatures ranging between the upper 40s to low 50s Fahrenheit (upper 10s to low 10s Celsius). Rainfall is abundant throughout the year, averaging about 47 inches (1200 millimeters), with most of it occurring in the summer months.
Katy (zip 77449), Texas gets 48 inches of rain, on average, per year. The US average is 38 inches of rain per year.
Katy (zip 77449) averages 0 inches of snow per year. The US average is 28 inches of snow per year.
On average, there are 204 sunny days per year in Katy (zip 77449). The US average is 205 sunny days.
Katy (zip 77449) gets some kind of precipitation, on average, 87 days per year. Precipitation is rain, snow, sleet, or hail that falls to the ground. In order for precipitation to be counted you have to get at least .01 inches on the ground to measure.
Weather Highlights
Summer High: the July high is around 94 degrees
Winter Low: the January low is 43
Rain: averages 48 inches of rain a year
Snow: averages 0 inches of snow a year