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Randolph AFB, TX
Full City Profile · Texas · Bexar County County
3.9
/5.0
B+
Good
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
319 sunny days/yr
422
Violent Crime/100K
2,016 property/100K
B+
Overall
3.9 / 5.0
Good overall score based on economy, affordability, safety and education
A+
Economy
4.9 / 5.0
$124,167 median income, 2.9% unemployment
A+
Affordability
4.8 / 5.0
F
Safety
1.0 / 5.0
422 violent crimes/100K (11% above avg)
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. The area gets 319 sunny days per year. Air quality is rated Good with a median AQI of 42.
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) |
| Sunny Days | 319 days/yr |
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 | 42.0 |
| Rating | Good |
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) | 1.9 in | Coldest, Driest |
| February | 54°F (12°C) | 2.0 in | |
| March | 61°F (16°C) | 1.9 in | |
| April | 68°F (20°C) | 2.7 in | |
| May | 75°F (24°C) | 4.7 in | Wettest |
| June | 80°F (27°C) | 4.1 in | |
| July | 85°F (29°C) | 2.0 in | Warmest |
| August | 83°F (28°C) | 2.4 in | |
| September | 78°F (26°C) | 3.5 in | |
| October | 70°F (21°C) | 3.6 in | |
| November | 60°F (15°C) | 2.5 in | |
| December | 52°F (11°C) | 2.0 in |
Randolph AFB has a seasonal temperature swing of 32°F / from 52°F in January to 85°F in July. Total annual precipitation is 33.1 inches, with May being the wettest month (4.7") and January the driest (1.9").