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San Diego, TX
Full City Profile · Texas · Jim Wells County County
2.8
/5.0
C+
Fair
3,795
Population
1,997/sq mi density
$46,969
Median Income
$21,265 per capita
$59,600
Home Value
$79,421 Zillow
74°F
Avg Temperature
312 sunny days/yr
166
Violent Crime/100K
0 property/100K
C+
Overall
2.8 / 5.0
Fair overall score based on economy, affordability, safety and education
C+
Economy
2.7 / 5.0
$46,969 median income, 5.2% unemployment
A+
Affordability
5.0 / 5.0
$59,600 home value, /mo rent
C
Safety
2.0 / 5.0
166 violent crimes/100K
D
Education
1.5 / 5.0
6.8% bachelor's degree or higher
San Diego has a warm climate with an average annual temperature of 74°F (23°C). Winters average 58°F in January while summers reach 87°F in July. The area gets 312 sunny days per year. Annual precipitation totals 27.1 inches. The area receives 0.5 inches of snow annually. Air quality is rated Good with a median AQI of 42.
Temperature
58°F Jan (14°C)
87°F Jul (30°C)
| Annual Average | 74.0°F |
| 37% above US avg | |
| January Average | 58°F (14°C) |
| July Average | 87°F (30°C) |
| Sunny Days | 312 days/yr |
Geography
| Elevation | 318 ft (97 m) |
| Area | 1.9 sq mi (4.9 km²) |
| Population Density | 1,997/sq mi |
| Coordinates | 27.7609°N, 98.2389°W |
| Timezone | America/Chicago |
| County | Jim Wells County County |
| Nearest Airport | Alice International (ALI) 13 miles away |
Precipitation & Snow
Air Quality
| AQI Median | 42.0 |
| Rating | Good |
Natural Hazard Risk
| Overall Risk | Relatively Moderate |
| Risk Score | 86.5 / 100 |
| Social Vulnerability | 93.3 / 100 |
| Community Resilience | 18.4 / 100 |
Hazard Breakdown
| Tornado | Relatively Moderate |
| Hurricane | Relatively High |
| Earthquake | Very Low |
| Wildfire | Relatively Low |
| Flood | Relatively Low |
| Hail | Relatively Moderate |
| Strong Wind | Relatively Low |
| Heat Wave | Relatively Moderate |
| Winter Weather | Relatively Low |
| Lightning | Relatively Low |
| 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 | 58°F (14°C) | 1.3 in | Coldest |
| February | 58°F (14°C) | 1.5 in | |
| March | 66°F (19°C) | 1.1 in | Driest |
| April | 71°F (22°C) | 1.7 in | |
| May | 78°F (25°C) | 3.2 in | |
| June | 83°F (28°C) | 3.3 in | |
| July | 87°F (30°C) | 1.9 in | Warmest |
| August | 85°F (29°C) | 2.5 in | |
| September | 81°F (27°C) | 4.4 in | Wettest |
| October | 74°F (23°C) | 2.7 in | |
| November | 65°F (18°C) | 1.3 in | |
| December | 58°F (14°C) | 1.1 in |
San Diego has a seasonal temperature swing of 29°F / from 58°F in January to 87°F in July. Total annual precipitation is 25.8 inches, with September being the wettest month (4.4") and March the driest (1.1").