Randolph AFB, TX
Full City Profile · Texas · Bexar County County
4.5
/5.0
A+
Excellent
1,400
Population
340/sq mi density
$124,167
Median Income
$37,314 per capita
$2,257
Median Rent
22.6% income on rent
69°F
Avg Temperature
A+
Overall
4.5 / 5.0
Strong
B+
Economy
3.8 / 5.0
$124,167 median income, 9.8% unemployment
A+
Affordability
4.8 / 5.0
A+
Education
5.0 / 5.0
69.2% bachelor's degree or higher
Randolph AFB enjoys a temperate climate with an average annual temperature of 69°F (21°C). Winters average 52°F in January while summers reach 85°F in July. Annual precipitation totals 32.4 inches. The area receives 0.2 inches of snow annually. Air quality is rated Moderate with a median AQI of 52.
Temperature
52°F Jan (11°C)
85°F Jul (29°C)
| Annual Average | 69.3°F |
| 28% above US avg | |
| January Average | 52°F (11°C) |
| July Average | 85°F (29°C) |
Geography
| Elevation | 734 ft (224 m) |
| Area | 4.1 sq mi (10.7 km²) |
| Population Density | 340/sq mi |
| Coordinates | 29.5303°N, 98.2789°W |
| Timezone | America/Chicago |
| County | Bexar County County |
| Nearest Airport | San Antonio International (SAT) 11 miles away |
Precipitation & Snow
Air Quality
| AQI Median | 52.0 |
| Rating | Moderate |
| Good Days % | 47.5% |
| Unhealthy Days | 22 |
Air Pollutants (EPA 2023)
| Ozone (O₃) | 0.0450 ppm |
| NO₂ (Nitrogen Dioxide) | 8.5 ppb |
| SO₂ (Sulfur Dioxide) | 0.47 ppb |
| CO (Carbon Monoxide) | 0.25 ppm |
| PM2.5 (Fine Particles) | 7.9 μg/m³ |
Natural Hazard Risk
| Overall Risk | Relatively High |
| Risk Score | 99.4 / 100 |
| Social Vulnerability | 57.2 / 100 |
| Community Resilience | 21.7 / 100 |
Hazard Breakdown
| Tornado | Very High |
| Hurricane | Relatively Moderate |
| Earthquake | Relatively Low |
| Wildfire | Relatively Moderate |
| Flood | Very High |
| Hail | Very High |
| Strong Wind | Relatively High |
| Heat Wave | Relatively High |
| Winter Weather | Relatively High |
| Lightning | Relatively High |
| Ice Storm | Relatively Moderate |
| Drought | Relatively Moderate |
| Cold Wave | Relatively High |
| Landslide | Relatively Low |
Source: FEMA National Risk Index v1.20 (Dec 2025)
Monthly Weather
| Month | Avg Temperature | Precipitation | Summary |
|---|---|---|---|
| January | 52°F (11°C) | 2.0 in | Coldest |
| February | 57°F (14°C) | 1.7 in | Driest |
| March | 62°F (17°C) | 2.3 in | |
| April | 69°F (21°C) | 2.4 in | |
| May | 76°F (25°C) | 4.4 in | Wettest |
| June | 82°F (28°C) | 3.3 in | |
| July | 85°F (29°C) | 2.4 in | |
| August | 85°F (29°C) | 2.2 in | Warmest |
| September | 79°F (26°C) | 3.9 in | |
| October | 72°F (22°C) | 3.8 in | |
| November | 61°F (16°C) | 2.1 in | |
| December | 53°F (12°C) | 2.0 in |
Randolph AFB has a seasonal temperature swing of 33°F / from 52°F in January to 85°F in August. Total annual precipitation is 32.4 inches, with May being the wettest month (4.4") and February the driest (1.7").