All Countries
Karnes City, TX
Full City Profile · Texas · Karnes County County
2.9
/5.0
C+
Fair
3,101
Population
1,337/sq mi density
$58,601
Median Income
$24,241 per capita
$90,400
Home Value
$198,126 Zillow
$669
Median Rent
24.2% income on rent
70°F
Avg Temperature
319 sunny days/yr
262
Violent Crime/100K
1,367 property/100K
C+
Overall
2.9 / 5.0
Fair overall score based on economy, affordability, safety and education
B+
Economy
3.7 / 5.0
$58,601 median income, 0.5% unemployment
A+
Affordability
5.0 / 5.0
$90,400 home value, $669/mo rent
F
Safety
1.0 / 5.0
262 violent crimes/100K
C
Education
2.0 / 5.0
12.9% bachelor's degree or higher
Karnes City enjoys a temperate climate with an average annual temperature of 70°F (21°C). Winters average 54°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 7.
Temperature
54°F Jan (12°C)
85°F Jul (29°C)
| Annual Average | 70.2°F |
| 30% above US avg | |
| January Average | 54°F (12°C) |
| July Average | 85°F (29°C) |
| Sunny Days | 319 days/yr |
Geography
| Elevation | 426 ft (130 m) |
| Area | 2.3 sq mi (6.0 km²) |
| Population Density | 1,337/sq mi |
| Coordinates | 28.8854°N, 97.9005°W |
| Timezone | America/Chicago |
| County | Karnes County County |
| Nearest Airport | San Antonio International (SAT) 56 miles away |
Precipitation & Snow
Air Quality
| AQI Median | 7.0 |
| Rating | Good |
| Good Days % | 100.0% |
| Unhealthy Days | 0 |
Air Pollutants (EPA 2023)
| NO₂ (Nitrogen Dioxide) | 6.0 ppb |
Natural Hazard Risk
| Overall Risk | Relatively Low |
| Risk Score | 58.4 / 100 |
| Social Vulnerability | 98.5 / 100 |
| Community Resilience | 30.6 / 100 |
Hazard Breakdown
| Tornado | Relatively Low |
| Hurricane | Relatively Moderate |
| Earthquake | Very Low |
| Wildfire | Very Low |
| Flood | Relatively Low |
| Hail | Relatively Moderate |
| Strong Wind | Relatively Low |
| Heat Wave | Relatively Low |
| Winter Weather | Relatively Low |
| Lightning | Relatively Low |
| Ice Storm | Relatively Low |
| Drought | Relatively Moderate |
| Cold Wave | Relatively Low |
| Landslide | Very Low |
Source: FEMA National Risk Index v1.20 (Dec 2025)
Monthly Weather
| Month | Avg Temperature | Precipitation | Summary |
|---|---|---|---|
| January | 54°F (12°C) | 1.9 in | Coldest |
| February | 57°F (14°C) | 1.8 in | |
| March | 64°F (18°C) | 1.2 in | Driest |
| April | 70°F (21°C) | 2.4 in | |
| May | 77°F (25°C) | 3.7 in | |
| June | 82°F (28°C) | 3.3 in | |
| July | 85°F (29°C) | 1.9 in | Warmest |
| August | 85°F (29°C) | 2.5 in | |
| September | 80°F (27°C) | 4.2 in | Wettest |
| October | 72°F (22°C) | 2.9 in | |
| November | 63°F (17°C) | 2.1 in | |
| December | 55°F (13°C) | 1.6 in |
Karnes City has a seasonal temperature swing of 31°F / from 54°F in January to 85°F in July. Total annual precipitation is 29.4 inches, with September being the wettest month (4.2") and March the driest (1.2").