Rockwall County Climate
Rockwall County, Texas
Climate data coming soon
Avg Annual Temp
—
Annual Precip
37.5"
Annual Snowfall
0.2"
Extreme Heat Days
—
Monthly Temperature
Temperature data coming soon
Precipitation Calendar
Seasonal Overview
Seasonal data coming soon
National Comparison
Data pending
Data pending
Climate Profile
About Rockwall County Weather
Humid Subtropical Conditions
While specific annual temperature data for Rockwall is limited, the region follows the warm, humid patterns of the Southern United States. It experiences significantly more precipitation than the national median.
Typical North Texas Rainfall
Rockwall County receives 37.5 inches of rain per year, which is over 5 inches more than the Texas average of 31.9 inches. This helps support the lush landscapes found just east of Dallas.
Mirroring the Dallas Metroplex
Rockwall matches the climate of neighboring Collin and Dallas counties with low annual snowfall of just 0.2 inches. It maintains the same humid subtropical moisture levels found across the North Texas region.
Wet Summers and Negligible Snow
The county sees almost no snow, averaging just 0.2 inches per year. While summer temperature data is unavailable, the 37.5 inches of rain suggests frequent thunderstorms during the warmer months.
Manage Moisture and Humidity
Given the 37.5 inches of annual rain, residents should focus on foundation protection and moisture control in homes. Lightweight clothing is essential for the humid, snow-free climate of the region.
Frequently Asked Questions
How much rain does Rockwall County get?
Does it snow in Rockwall County?
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Data source: NOAA National Centers for Environmental Information (NCEI), U.S. Climate Normals 1991-2020.
Climate normals are 30-year averages of weather variables computed from 1991 to 2020. Station data is aggregated to county level using spatial averaging. Data is informational only — not a substitute for official National Weather Service forecasts or emergency weather warnings.