Rowlett, TX has a humid subtropical climate characterized by mild winters and hot, humid summers. Average temperatures in the winter months range from the mid-50s to low 60s Fahrenheit during the day, while nighttime lows typically drop down into the 30s and 40s. The summer months are generally hot and humid, with average high temperatures reaching into the upper 80s to mid-90s Fahrenheit. Rainfall is evenly distributed throughout the year, with the warmest months of June through September receiving slightly more than other months. Thunderstorms are common in spring and summer, particularly in July and August which can bring severe weather at times.
Rowlett (zip 75089), Texas gets 40 inches of rain, on average, per year. The US average is 38 inches of rain per year.
Rowlett (zip 75089) averages 1 inches of snow per year. The US average is 28 inches of snow per year.
On average, there are 232 sunny days per year in Rowlett (zip 75089). The US average is 205 sunny days.
Rowlett (zip 75089) 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 95 degrees
Winter Low: the January low is 35
Rain: averages 40 inches of rain a year
Snow: averages 1 inches of snow a year