Rockwall County Climate
Rockwall County, Texas
NOAA NCEI 1991-2020 Climate NormalsAvg Annual Temp
66.4°F
Annual Precip
37.5"
Annual Snowfall
0.2"
Extreme Heat Days
—
Monthly Temperature
Precipitation Calendar
Growing Season & Gardening
8b
Minimum winter temperature range for plant survival
Seasonal Overview
National Comparison
7-Day Outlook
Forecast
Current Conditions
Air Quality
Safety
Weather Alerts
Climate Advisory: Rockwall County
Climate Verdict
Climate data for Rockwall County is currently being compiled from NOAA sources. Check back soon for detailed weather normals.
Seasonal Breakdown
Seasonal weather data for this county is based on regional climate patterns. Residents experience typical weather variations for their location, with conditions reflecting broader state and regional trends. Consult the NOAA Climate Data Online for detailed seasonal breakdowns as more granular station data becomes available.
Outdoor & Gardening Guidance
Growing season and gardening guidance for Rockwall County will be added as data becomes available.
Regional Context
Comparative climate data for Rockwall County is being processed.
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
What is the average temperature in Rockwall County?
How much rain does Rockwall County get?
Does it snow in Rockwall County?
How hot does Rockwall County get in summer?
How cold are winters in Rockwall County?
Track your own weather in Rockwall County
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Data sources: ERA5 Reanalysis (modeled) via Open-Meteo (gap-filled where station data unavailable).. Forecast and alert data from National Weather Service API. Air quality data from Open-Meteo.
Climate normals are 30-year averages of weather variables. Station data is aggregated to county level. Forecasts and alerts are fetched live and may change frequently. Data is informational only — not a substitute for official National Weather Service forecasts or emergency weather warnings.