Westminster, TX
Full City Profile · Texas · Collin County County
2.5
/5.0
C+
Fair
1,105
Population
278/sq mi density
$383,100
Home Value
$430,386 Zillow
$1,286
Median Rent
51.0% income on rent
65°F
Avg Temperature
C+
Overall
2.5 / 5.0
Fair overall score based on economy, affordability, safety and education
C+
Education
2.5 / 5.0
19.0% bachelor's degree or higher
Westminster enjoys a temperate climate with an average annual temperature of 65°F (18°C). Winters average 45°F in January while summers reach 84°F in July. Annual precipitation totals 43.7 inches. The area receives 0.4 inches of snow annually. Air quality is rated Good with a median AQI of 40.
Temperature
45°F Jan (7°C)
84°F Jul (29°C)
| Annual Average | 65.0°F |
| 20% above US avg | |
| January Average | 45°F (7°C) |
| July Average | 84°F (29°C) |
Geography
| Elevation | 701 ft (214 m) |
| Area | 4.0 sq mi (10.3 km²) |
| Population Density | 278/sq mi |
| Coordinates | 33.3648°N, 96.4593°W |
| Timezone | America/Chicago |
| County | Collin County County |
| Nearest Airport | North Texas Regional/Perrin Field (PNX) 27 miles away |
Precipitation & Snow
Air Quality
| AQI Median | 40.0 |
| Rating | Good |
| Good Days % | 77.5% |
| Unhealthy Days | 11 |
Air Pollutants (EPA 2023)
| Ozone (O₃) | 0.0507 ppm |
Natural Hazard Risk
| Overall Risk | Relatively High |
| Risk Score | 98.9 / 100 |
| Social Vulnerability | 10.6 / 100 |
| Community Resilience | 58.4 / 100 |
Hazard Breakdown
| Tornado | Very High |
| Hurricane | Relatively Low |
| Earthquake | Relatively Low |
| Wildfire | Relatively Low |
| Flood | Relatively High |
| Hail | Very High |
| Strong Wind | Relatively High |
| Heat Wave | Relatively High |
| Winter Weather | Relatively High |
| Lightning | Relatively Moderate |
| Ice Storm | Relatively High |
| Drought | Relatively Low |
| Cold Wave | Relatively High |
| Landslide | Very Low |
Source: FEMA National Risk Index v1.20 (Dec 2025)
Monthly Weather
| Month | Avg Temperature | Precipitation | Summary |
|---|---|---|---|
| January | 45°F (7°C) | 3.2 in | Coldest |
| February | 49°F (9°C) | 3.1 in | |
| March | 57°F (14°C) | 4.1 in | |
| April | 64°F (18°C) | 4.0 in | |
| May | 73°F (23°C) | 5.0 in | Wettest |
| June | 81°F (27°C) | 3.7 in | |
| July | 84°F (29°C) | 2.5 in | Warmest, Driest |
| August | 84°F (29°C) | 3.0 in | |
| September | 77°F (25°C) | 3.1 in | |
| October | 66°F (19°C) | 4.6 in | |
| November | 55°F (13°C) | 3.6 in | |
| December | 47°F (8°C) | 4.0 in |
Westminster has a seasonal temperature swing of 40°F / from 45°F in January to 84°F in July. Total annual precipitation is 43.7 inches, with May being the wettest month (5.0") and July the driest (2.5").