Port O'Connor, TX
Full City Profile · Texas · Calhoun County County
4.0
/5.0
A
Great
698
Population
175/sq mi density
$81,917
Median Income
$38,240 per capita
$248,800
Home Value
$115,315 Zillow
72°F
Avg Temperature
A
Overall
4.0 / 5.0
Strong
A+
Economy
4.6 / 5.0
$81,917 median income, 0.4% unemployment
A+
Affordability
5.0 / 5.0
$248,800 home value, /mo rent
C
Education
2.4 / 5.0
18.1% bachelor's degree or higher
Port O'Connor has a warm climate with an average annual temperature of 72°F (22°C). Winters average 56°F in January while summers reach 84°F in July. Annual precipitation totals 43.1 inches. The area receives 0.0 inches of snow annually.
Temperature
56°F Jan (13°C)
84°F Jul (29°C)
| Annual Average | 71.5°F |
| 32% above US avg | |
| January Average | 56°F (13°C) |
| July Average | 84°F (29°C) |
Geography
| Elevation | 7 ft (2 m) |
| Area | 6.3 sq mi (16.4 km²) |
| Population Density | 175/sq mi |
| Coordinates | 28.4460°N, 96.4201°W |
| Timezone | America/Chicago |
| County | Calhoun County County |
| Nearest Airport | Victoria Regional (VCT) 41 miles away |
Precipitation & Snow
Air Quality
Natural Hazard Risk
| Overall Risk | Relatively Low |
| Risk Score | 66.3 / 100 |
| Social Vulnerability | 63.2 / 100 |
| Community Resilience | 73.9 / 100 |
Hazard Breakdown
| Tornado | Relatively Low |
| Hurricane | Relatively Moderate |
| Earthquake | Very Low |
| Wildfire | Very Low |
| Flood | Relatively Low |
| Hail | Very Low |
| Strong Wind | Very Low |
| Heat Wave | Relatively Low |
| Winter Weather | Very Low |
| Lightning | Relatively Moderate |
| Ice Storm | Relatively Low |
| Drought | Relatively High |
| Cold Wave | Relatively Moderate |
| Landslide | Very Low |
| Coastal Flood | Relatively Low |
Source: FEMA National Risk Index v1.20 (Dec 2025)
Monthly Weather
| Month | Avg Temperature | Precipitation | Summary |
|---|---|---|---|
| January | 56°F (13°C) | 3.3 in | Coldest |
| February | 59°F (15°C) | 1.9 in | Driest |
| March | 65°F (18°C) | 2.7 in | |
| April | 71°F (21°C) | 2.7 in | |
| May | 77°F (25°C) | 3.9 in | |
| June | 82°F (28°C) | 4.6 in | |
| July | 84°F (29°C) | 3.7 in | |
| August | 85°F (29°C) | 3.9 in | Warmest |
| September | 82°F (28°C) | 5.9 in | Wettest |
| October | 76°F (24°C) | 4.3 in | |
| November | 65°F (18°C) | 3.4 in | |
| December | 59°F (15°C) | 3.0 in |
Port O'Connor has a seasonal temperature swing of 29°F / from 56°F in January to 85°F in August. Total annual precipitation is 43.1 inches, with September being the wettest month (5.9") and February the driest (1.9").