Rockwall, TX has a humid subtropical climate with hot summers and mild winters. Temperatures in the summer can reach as high as 95 degrees Fahrenheit, while winter temperatures rarely drop below freezing. The average annual precipitation is around 37 inches, which is spread throughout the year in both rainfall and snowfall. During the summer months, thunderstorms are common due to moisture from the Gulf of Mexico. The area experiences all four seasons, although winters are usually brief.
Rockwall, Texas gets 40 inches of rain, on average, per year. The US average is 38 inches of rain per year.
Rockwall averages 1 inches of snow per year. The US average is 28 inches of snow per year.
On average, there are 236 sunny days per year in Rockwall. The US average is 205 sunny days.
Rockwall gets some kind of precipitation, on average, 81 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.
Summer High: the July high is around 94 degrees
Winter Low: the January low is 34
Rain: averages 40 inches of rain a year
Snow: averages 1 inches of snow a year
BESTPLACES COMFORT INDEX
The annual BestPlaces Comfort Index for Rockwall is 7.1 (10=best), which means it is about average compared to other places in Texas.
4.2 / 7.4
Summer / Winter
October, April and May are the most pleasant months in Rockwall, while July and August are the least comfortable months.