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Tomball, TX
Full City Profile · Texas · Montgomery County County
3.3
/5.0
B
Good
13,032
Population
999/sq mi density
$71,426
Median Income
$37,949 per capita
$306,400
Home Value
$358,382 Zillow
$1,206
Median Rent
35.3% income on rent
70°F
Avg Temperature
306 sunny days/yr
383
Violent Crime/100K
4,691 property/100K
B
Overall
3.3 / 5.0
Good overall score based on economy, affordability, safety and education
A
Economy
4.3 / 5.0
$71,426 median income, 2.2% unemployment
A
Affordability
4.3 / 5.0
$306,400 home value, $1,206/mo rent
F
Safety
1.0 / 5.0
383 violent crimes/100K (1% above avg)
B+
Education
3.6 / 5.0
32.1% bachelor's degree or higher
Tomball enjoys a temperate climate with an average annual temperature of 70°F (21°C). Winters average 53°F in January while summers reach 85°F in July. The area gets 306 sunny days per year. Annual precipitation totals 50.8 inches. Air quality is rated Good with a median AQI of 42.
Temperature
53°F Jan (12°C)
85°F Jul (29°C)
| Annual Average | 69.8°F |
| 29% above US avg | |
| January Average | 53°F (12°C) |
| July Average | 85°F (29°C) |
| Sunny Days | 306 days/yr |
Geography
| Elevation | 186 ft (57 m) |
| Area | 12.0 sq mi (31.0 km²) |
| Population Density | 999/sq mi |
| Coordinates | 30.0951°N, 95.6197°W |
| Timezone | America/Chicago |
| County | Montgomery County County |
| Nearest Airport | George Bush Intcntl/Houston (IAH) 18 miles away |
Precipitation & Snow
Air Quality
| AQI Median | 42.0 |
| Rating | Good |
Air Pollutants (EPA 2023)
| Ozone (O₃) | 0.0451 ppm |
| NO₂ (Nitrogen Dioxide) | 5.5 ppb |
| PM2.5 (Fine Particles) | 10.3 μg/m³ |
Natural Hazard Risk
| Overall Risk | Relatively High |
| Risk Score | 95.7 / 100 |
| Social Vulnerability | 23.6 / 100 |
| Community Resilience | 33.0 / 100 |
Hazard Breakdown
| Tornado | Very High |
| Hurricane | Relatively High |
| Earthquake | Relatively Low |
| Wildfire | Relatively Low |
| Flood | Relatively High |
| Hail | Relatively Moderate |
| Strong Wind | Relatively High |
| Heat Wave | Relatively Moderate |
| Winter Weather | Relatively High |
| Lightning | Very High |
| Ice Storm | Very High |
| Drought | Relatively Moderate |
| Cold Wave | Relatively High |
| Landslide | Very Low |
Source: FEMA National Risk Index v1.20 (Dec 2025)
Monthly Weather
| Month | Avg Temperature | Precipitation | Summary |
|---|---|---|---|
| January | 53°F (12°C) | 3.4 in | Coldest |
| February | 54°F (12°C) | 3.2 in | |
| March | 61°F (16°C) | 2.8 in | Driest |
| April | 67°F (20°C) | 3.2 in | |
| May | 75°F (24°C) | 5.0 in | Wettest |
| June | 81°F (27°C) | 4.5 in | |
| July | 85°F (29°C) | 3.3 in | Warmest |
| August | 83°F (28°C) | 3.4 in | |
| September | 79°F (26°C) | 5.0 in | |
| October | 70°F (21°C) | 3.7 in | |
| November | 60°F (16°C) | 4.1 in | |
| December | 53°F (12°C) | 3.7 in |
Tomball has a seasonal temperature swing of 32°F / from 53°F in January to 85°F in July. Total annual precipitation is 45.1 inches, with May being the wettest month (5.0") and March the driest (2.8").