Onalaska, TX
Full City Profile · Texas · San Jacinto County County
2.3
/5.0
C
Fair
3,133
Population
576/sq mi density
$44,216
Median Income
$27,433 per capita
$121,900
Home Value
$172,693 Zillow
$1,021
Median Rent
51.0% income on rent
69°F
Avg Temperature
458
Violent Crime/100K
1,284 property/100K
C
Overall
2.3 / 5.0
Fair overall score based on economy, affordability, safety and education
D
Economy
1.9 / 5.0
$44,216 median income, 13.1% unemployment
A+
Affordability
5.0 / 5.0
$121,900 home value, $1,021/mo rent
F
Safety
1.0 / 5.0
458 violent crimes/100K (21% above avg)
F
Education
1.4 / 5.0
4.5% bachelor's degree or higher
Onalaska enjoys a temperate climate with an average annual temperature of 69°F (21°C). Winters average 51°F in January while summers reach 85°F in July. Annual precipitation totals 51.9 inches. The area receives 0.0 inches of snow annually.
Temperature
51°F Jan (11°C)
85°F Jul (29°C)
| Annual Average | 68.6°F |
| 27% above US avg | |
| January Average | 51°F (11°C) |
| July Average | 85°F (29°C) |
Geography
| Elevation | 253 ft (77 m) |
| Area | 4.3 sq mi (11.2 km²) |
| Population Density | 576/sq mi |
| Coordinates | 30.8238°N, 95.1107°W |
| Timezone | America/Chicago |
| County | San Jacinto County County |
| Nearest Airport | Conroe/North Houston Regional (CXO) 37 miles away |
Precipitation & Snow
Air Quality
Natural Hazard Risk
| Overall Risk | Relatively Low |
| Risk Score | 58.9 / 100 |
| Social Vulnerability | 80.9 / 100 |
| Community Resilience | 9.5 / 100 |
Hazard Breakdown
| Tornado | Relatively Moderate |
| Hurricane | Relatively Low |
| Earthquake | Very Low |
| Wildfire | Relatively Low |
| Flood | Relatively Low |
| Hail | Very Low |
| Strong Wind | Relatively Low |
| Heat Wave | Relatively Low |
| Winter Weather | Very Low |
| Lightning | Relatively Moderate |
| Ice Storm | Relatively Low |
| Drought | No Rating |
| Cold Wave | Relatively Low |
| Landslide | Very Low |
Source: FEMA National Risk Index v1.20 (Dec 2025)
Monthly Weather
| Month | Avg Temperature | Precipitation | Summary |
|---|---|---|---|
| January | 51°F (11°C) | 4.5 in | Coldest |
| February | 55°F (13°C) | 3.7 in | |
| March | 62°F (17°C) | 4.0 in | |
| April | 68°F (20°C) | 4.0 in | |
| May | 76°F (24°C) | 4.6 in | |
| June | 82°F (28°C) | 5.1 in | |
| July | 85°F (29°C) | 3.7 in | Warmest, Driest |
| August | 85°F (29°C) | 4.4 in | |
| September | 79°F (26°C) | 3.8 in | |
| October | 70°F (21°C) | 5.5 in | Wettest |
| November | 60°F (15°C) | 4.5 in | |
| December | 53°F (12°C) | 4.3 in |
Onalaska has a seasonal temperature swing of 34°F / from 51°F in January to 85°F in July. Total annual precipitation is 51.9 inches, with October being the wettest month (5.5") and July the driest (3.7").