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Round Rock, TX
Full City Profile · Texas · Williamson County County
3.7
/5.0
B+
Good
124,288
Population
3,259/sq mi density
$97,187
Median Income
$47,829 per capita
$383,700
Home Value
$408,924 Zillow
$1,713
Median Rent
30.2% income on rent
71°F
Avg Temperature
296 sunny days/yr
124
Violent Crime/100K
1,684 property/100K
B+
Overall
3.7 / 5.0
Good overall score based on economy, affordability, safety and education
A+
Economy
4.8 / 5.0
$97,187 median income, 2.6% unemployment
A
Affordability
4.5 / 5.0
$383,700 home value, $1,713/mo rent
F
Safety
1.0 / 5.0
124 violent crimes/100K
A
Education
4.5 / 5.0
43.6% bachelor's degree or higher
Round Rock has a warm climate with an average annual temperature of 71°F (22°C). Winters average 55°F in January while summers reach 89°F in July. The area gets 296 sunny days per year. Annual precipitation totals 37.8 inches. The area receives 0.0 inches of snow annually. Air quality is rated Good with a median AQI of 42.
Temperature
55°F Jan (13°C)
89°F Jul (32°C)
| Annual Average | 70.5°F |
| 31% above US avg | |
| January Average | 55°F (13°C) |
| July Average | 89°F (32°C) |
| Sunny Days | 296 days/yr |
Geography
| Elevation | 738 ft (225 m) |
| Area | 34.4 sq mi (89.1 km²) |
| Population Density | 3,259/sq mi |
| Coordinates | 30.5268°N, 97.6601°W |
| Timezone | America/Chicago |
| County | Williamson County County |
| Nearest Airport | Austin-Bergstrom International (AUS) 23 miles away |
Precipitation & Snow
Air Quality
| AQI Median | 42.0 |
| Rating | Good |
Natural Hazard Risk
| Overall Risk | Relatively Moderate |
| Risk Score | 90.1 / 100 |
| Social Vulnerability | 10.6 / 100 |
| Community Resilience | 87.9 / 100 |
Hazard Breakdown
| Tornado | Relatively High |
| Hurricane | Relatively Low |
| Earthquake | Very Low |
| Wildfire | Relatively Low |
| Flood | Relatively Moderate |
| Hail | Relatively High |
| Strong Wind | Relatively Moderate |
| Heat Wave | Relatively Moderate |
| Winter Weather | Very High |
| Lightning | Relatively High |
| Ice Storm | Relatively Moderate |
| Drought | Relatively Moderate |
| Cold Wave | Relatively High |
| Landslide | Very Low |
Source: FEMA National Risk Index v1.20 (Dec 2025)
Monthly Weather
| Month | Avg Temperature | Precipitation | Summary |
|---|---|---|---|
| January | 55°F (13°C) | 2.0 in | |
| February | 53°F (11°C) | 2.4 in | |
| March | 60°F (15°C) | 2.1 in | |
| April | 67°F (19°C) | 2.9 in | |
| May | 74°F (23°C) | 4.5 in | Wettest |
| June | 80°F (27°C) | 3.6 in | |
| July | 89°F (32°C) | 1.8 in | Warmest, Driest |
| August | 84°F (29°C) | 2.0 in | |
| September | 78°F (26°C) | 3.9 in | |
| October | 69°F (21°C) | 3.5 in | |
| November | 58°F (15°C) | 2.7 in | |
| December | 50°F (10°C) | 2.1 in | Coldest |
Round Rock has a seasonal temperature swing of 38°F / from 50°F in December to 89°F in July. Total annual precipitation is 33.6 inches, with May being the wettest month (4.5") and July the driest (1.8").