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Del Mar Heights, TX
Full City Profile · Texas · Cameron County County
3.0
/5.0
B
Good
102
Population
232/sq mi density
74°F
Avg Temperature
312 sunny days/yr
302
Violent Crime/100K
2,020 property/100K
B
Overall
3.0 / 5.0
Good overall score based on economy, affordability, safety and education
F
Safety
1.0 / 5.0
302 violent crimes/100K
A+
Education
5.0 / 5.0
52.9% bachelor's degree or higher
Del Mar Heights has a warm climate with an average annual temperature of 74°F (23°C). Winters average 60°F in January while summers reach 84°F in July. The area gets 312 sunny days per year. Annual precipitation totals 28.8 inches. The area receives 0.2 inches of snow annually. Air quality is rated Good with a median AQI of 42.
Temperature
60°F Jan (16°C)
84°F Jul (29°C)
| Annual Average | 73.9°F |
| 37% above US avg | |
| January Average | 60°F (16°C) |
| July Average | 84°F (29°C) |
| Sunny Days | 312 days/yr |
Geography
| Elevation | 10 ft (3 m) |
| Area | 0.5 sq mi (1.2 km²) |
| Population Density | 232/sq mi |
| Coordinates | 26.0566°N, 97.4236°W |
| Timezone | America/Chicago |
| County | Cameron County County |
| Nearest Airport | Brownsville/South Padre Island International (BRO) 10 miles away |
Precipitation & Snow
Air Quality
| AQI Median | 42.0 |
| Rating | Good |
Air Pollutants (EPA 2023)
| Ozone (O₃) | 0.0363 ppm |
| PM2.5 (Fine Particles) | 9.4 μg/m³ |
Natural Hazard Risk
| Overall Risk | Relatively High |
| Risk Score | 97.3 / 100 |
| Social Vulnerability | 91.7 / 100 |
| Community Resilience | 6.3 / 100 |
Hazard Breakdown
| Tornado | Relatively Moderate |
| Hurricane | Very High |
| Earthquake | Very Low |
| Wildfire | Relatively Low |
| Flood | Relatively Moderate |
| Hail | Relatively High |
| Strong Wind | Relatively High |
| Heat Wave | Relatively High |
| Winter Weather | Relatively High |
| Lightning | Relatively High |
| Ice Storm | Relatively High |
| Drought | Relatively Moderate |
| Cold Wave | Very High |
| Landslide | Very Low |
| Coastal Flood | Relatively Moderate |
Source: FEMA National Risk Index v1.20 (Dec 2025)
Monthly Weather
| Month | Avg Temperature | Precipitation | Summary |
|---|---|---|---|
| January | 60°F (16°C) | 1.7 in | Coldest |
| February | 62°F (17°C) | 1.5 in | |
| March | 68°F (20°C) | 0.8 in | Driest |
| April | 74°F (23°C) | 1.7 in | |
| May | 79°F (26°C) | 2.7 in | |
| June | 83°F (28°C) | 2.7 in | |
| July | 84°F (29°C) | 1.9 in | Warmest |
| August | 84°F (29°C) | 2.6 in | |
| September | 81°F (27°C) | 6.0 in | Wettest |
| October | 75°F (24°C) | 3.0 in | |
| November | 67°F (20°C) | 1.7 in | |
| December | 61°F (16°C) | 1.3 in |
Del Mar Heights has a seasonal temperature swing of 24°F / from 60°F in January to 84°F in July. Total annual precipitation is 27.6 inches, with September being the wettest month (6.0") and March the driest (0.8").