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Mertens, TX
Full City Profile · Texas · Ellis County County
2.8
/5.0
C+
Fair
130
Population
295/sq mi density
$43,365
Median Income
$18,677 per capita
$91,400
Home Value
$188,961 Zillow
$631
Median Rent
17.1% income on rent
66°F
Avg Temperature
308 sunny days/yr
160
Violent Crime/100K
2,028 property/100K
C+
Overall
2.8 / 5.0
Fair overall score based on economy, affordability, safety and education
B+
Economy
3.7 / 5.0
$43,365 median income, 2.1% unemployment
A+
Affordability
5.0 / 5.0
$91,400 home value, $631/mo rent
F
Safety
1.0 / 5.0
160 violent crimes/100K
D
Education
1.7 / 5.0
8.6% bachelor's degree or higher
Mertens enjoys a temperate climate with an average annual temperature of 66°F (19°C). Winters average 46°F in January while summers reach 84°F in July. The area gets 308 sunny days per year. Annual precipitation totals 40.2 inches. The area receives 0.3 inches of snow annually. Air quality is rated Good with a median AQI of 42.
Temperature
46°F Jan (8°C)
84°F Jul (29°C)
| Annual Average | 65.8°F |
| 22% above US avg | |
| January Average | 46°F (8°C) |
| July Average | 84°F (29°C) |
| Sunny Days | 308 days/yr |
Geography
| Elevation | 527 ft (161 m) |
| Area | 0.4 sq mi (1.1 km²) |
| Population Density | 295/sq mi |
| Coordinates | 32.0590°N, 96.8942°W |
| Timezone | America/Chicago |
| County | Ellis County County |
| Nearest Airport | Waco Regional (ACT) 37 miles away |
Precipitation & Snow
Air Quality
| AQI Median | 42.0 |
| Rating | Good |
Air Pollutants (EPA 2023)
| Ozone (O₃) | 0.0466 ppm |
| NO₂ (Nitrogen Dioxide) | 5.1 ppb |
Natural Hazard Risk
| Overall Risk | Relatively Moderate |
| Risk Score | 81.6 / 100 |
| Social Vulnerability | 35.3 / 100 |
| Community Resilience | 75.3 / 100 |
Hazard Breakdown
| Tornado | Relatively Moderate |
| Hurricane | Very Low |
| Earthquake | Very Low |
| Wildfire | Relatively Low |
| Flood | Relatively Moderate |
| Hail | Relatively High |
| Strong Wind | Relatively Low |
| Heat Wave | Relatively Moderate |
| Winter Weather | Relatively Moderate |
| Lightning | Relatively High |
| Ice Storm | Relatively Low |
| Drought | Relatively Low |
| Cold Wave | Relatively Moderate |
| Landslide | Very Low |
Source: FEMA National Risk Index v1.20 (Dec 2025)
Monthly Weather
| Month | Avg Temperature | Precipitation | Summary |
|---|---|---|---|
| January | 46°F (8°C) | 1.9 in | Coldest |
| February | 50°F (10°C) | 2.5 in | |
| March | 58°F (14°C) | 2.9 in | |
| April | 65°F (19°C) | 3.4 in | |
| May | 73°F (23°C) | 5.0 in | Wettest |
| June | 80°F (27°C) | 3.4 in | |
| July | 84°F (29°C) | 1.9 in | Warmest, Driest |
| August | 84°F (29°C) | 1.9 in | |
| September | 78°F (25°C) | 3.6 in | |
| October | 67°F (20°C) | 3.9 in | |
| November | 56°F (13°C) | 2.7 in | |
| December | 48°F (9°C) | 2.3 in |
Mertens has a seasonal temperature swing of 38°F / from 46°F in January to 84°F in July. Total annual precipitation is 35.3 inches, with May being the wettest month (5.0") and July the driest (1.9").