San Carlos II, TX
Full City Profile · Texas · Webb County County
2.2
/5.0
C
Fair
305
Population
4,357/sq mi density
$2,499
Median Income
$8,530 per capita
$38,800
Home Value
$217,648 Zillow
75°F
Avg Temperature
C
Overall
2.2 / 5.0
Fair overall score based on economy, affordability, safety and education
B
Economy
3.4 / 5.0
$2,499 median income, 0.0% unemployment
F
Affordability
1.0 / 5.0
$38,800 home value, /mo rent
C
Education
2.3 / 5.0
0.0% bachelor's degree or higher
San Carlos II has a warm climate with an average annual temperature of 75°F (24°C). Winters average 58°F in January while summers reach 88°F in July. Annual precipitation totals 21.3 inches. The area receives 0.1 inches of snow annually. Air quality is rated Good with a median AQI of 45.
Temperature
58°F Jan (14°C)
88°F Jul (31°C)
| Annual Average | 74.6°F |
| 38% above US avg | |
| January Average | 58°F (14°C) |
| July Average | 88°F (31°C) |
Geography
| Elevation | 553 ft (169 m) |
| Area | 0.1 sq mi (0.2 km²) |
| Population Density | 4,357/sq mi |
| Coordinates | 27.4896°N, 99.3686°W |
| Timezone | America/Chicago |
| County | Webb County County |
| Nearest Airport | Laredo International (LRD) 7 miles away |
Precipitation & Snow
Air Quality
| AQI Median | 45.0 |
| Rating | Good |
| Good Days % | 57.7% |
| Unhealthy Days | 15 |
Air Pollutants (EPA 2023)
| Ozone (O₃) | 0.0409 ppm |
| CO (Carbon Monoxide) | 0.10 ppm |
| PM2.5 (Fine Particles) | 8.9 μg/m³ |
Natural Hazard Risk
| Overall Risk | Relatively Moderate |
| Risk Score | 89.3 / 100 |
| Social Vulnerability | 94.3 / 100 |
| Community Resilience | 7.3 / 100 |
Hazard Breakdown
| Tornado | Relatively Moderate |
| Hurricane | Relatively Moderate |
| Earthquake | Very Low |
| Wildfire | Relatively Low |
| Flood | Relatively Moderate |
| Hail | Relatively Moderate |
| Strong Wind | Relatively Moderate |
| Heat Wave | Relatively High |
| Winter Weather | Relatively Moderate |
| Lightning | Relatively Low |
| Ice Storm | Relatively Moderate |
| Drought | Relatively Low |
| Cold Wave | Relatively High |
| Landslide | Very Low |
Source: FEMA National Risk Index v1.20 (Dec 2025)
Monthly Weather
| Month | Avg Temperature | Precipitation | Summary |
|---|---|---|---|
| January | 58°F (14°C) | 0.9 in | Coldest |
| February | 63°F (17°C) | 0.8 in | Driest |
| March | 69°F (21°C) | 1.6 in | |
| April | 76°F (25°C) | 1.5 in | |
| May | 82°F (28°C) | 2.8 in | |
| June | 87°F (31°C) | 2.5 in | |
| July | 88°F (31°C) | 2.1 in | |
| August | 89°F (32°C) | 1.7 in | Warmest |
| September | 83°F (28°C) | 3.6 in | Wettest |
| October | 76°F (25°C) | 1.8 in | |
| November | 66°F (19°C) | 1.0 in | |
| December | 59°F (15°C) | 1.1 in |
San Carlos II has a seasonal temperature swing of 31°F / from 58°F in January to 89°F in August. Total annual precipitation is 21.4 inches, with September being the wettest month (3.6") and February the driest (0.8").