Marathon, TX
Full City Profile · Texas · Brewster County County
3.9
/5.0
B+
Good
271
Population
52/sq mi density
$45,100
Median Income
$33,491 per capita
$143,500
Home Value
$182,523 Zillow
62°F
Avg Temperature
B+
Overall
3.9 / 5.0
Good overall score based on economy, affordability, safety and education
B+
Economy
3.9 / 5.0
$45,100 median income, 0.0% unemployment
A+
Affordability
4.9 / 5.0
$143,500 home value, /mo rent
C+
Education
2.8 / 5.0
22.8% bachelor's degree or higher
Marathon enjoys a temperate climate with an average annual temperature of 62°F (17°C). Winters average 44°F in January while summers reach 77°F in July. Annual precipitation totals 12.6 inches. The area receives 0.3 inches of snow annually. Air quality is rated Good with a median AQI of 43.
Temperature
44°F Jan (7°C)
77°F Jul (25°C)
| Annual Average | 61.5°F |
| 14% above US avg | |
| January Average | 44°F (7°C) |
| July Average | 77°F (25°C) |
Geography
| Elevation | 4,140 ft (1,262 m) |
| Area | 5.3 sq mi (13.6 km²) |
| Population Density | 52/sq mi |
| Coordinates | 30.2209°N, 103.2366°W |
| Timezone | America/Chicago |
| County | Brewster County County |
| Nearest Airport | Midland International Air And Space Port (MAF) 134 miles away |
Precipitation & Snow
Air Quality
| AQI Median | 43.0 |
| Rating | Good |
| Good Days % | 70.6% |
| Unhealthy Days | 2 |
Air Pollutants (EPA 2023)
| Ozone (O₃) | 0.0453 ppm |
| PM2.5 (Fine Particles) | 7.3 μg/m³ |
Natural Hazard Risk
| Overall Risk | Very Low |
| Risk Score | 21.1 / 100 |
| Social Vulnerability | 52.1 / 100 |
| Community Resilience | 23.9 / 100 |
Hazard Breakdown
| Tornado | Very Low |
| Hurricane | Very Low |
| Earthquake | Very Low |
| Wildfire | Relatively Low |
| Flood | Very Low |
| Hail | Relatively Low |
| Strong Wind | Very Low |
| Heat Wave | Relatively Low |
| Winter Weather | Relatively Low |
| Lightning | Relatively Moderate |
| Ice Storm | Relatively Low |
| Drought | Relatively Moderate |
| Cold Wave | Very Low |
| Landslide | Very Low |
| Avalanche | Very Low |
Source: FEMA National Risk Index v1.20 (Dec 2025)
Monthly Weather
| Month | Avg Temperature | Precipitation | Summary |
|---|---|---|---|
| January | 44°F (7°C) | 0.5 in | Coldest |
| February | 48°F (9°C) | 0.3 in | Driest |
| March | 55°F (13°C) | 0.4 in | |
| April | 62°F (17°C) | 0.7 in | |
| May | 70°F (21°C) | 1.6 in | |
| June | 76°F (24°C) | 1.6 in | |
| July | 77°F (25°C) | 2.3 in | Warmest, Wettest |
| August | 76°F (25°C) | 1.7 in | |
| September | 71°F (22°C) | 1.6 in | |
| October | 63°F (17°C) | 1.3 in | |
| November | 52°F (11°C) | 0.5 in | |
| December | 45°F (7°C) | 0.3 in |
Marathon has a seasonal temperature swing of 33°F / from 44°F in January to 77°F in July. Total annual precipitation is 12.6 inches, with July being the wettest month (2.3") and February the driest (0.3").