West Pasco, WA
Full City Profile · Washington · Benton County County
4.3
/5.0
A
Great
1,157
Population
792/sq mi density
$129,224
Median Income
$49,234 per capita
$443,500
Home Value
$424,813 Zillow
53°F
Avg Temperature
A
Overall
4.3 / 5.0
Strong
A
Economy
4.1 / 5.0
$129,224 median income, 5.2% unemployment
A+
Affordability
4.8 / 5.0
$443,500 home value, /mo rent
B+
Education
3.9 / 5.0
36.6% bachelor's degree or higher
West Pasco experiences four distinct seasons with an average annual temperature of 53°F (12°C). Winters average 35°F in January while summers reach 75°F in July. Annual precipitation totals 7.6 inches. The area receives 2.0 inches of snow annually. Air quality is rated Good with a median AQI of 34.
Temperature
35°F Jan (1°C)
75°F Jul (24°C)
| Annual Average | 53.3°F |
| 1% below US avg | |
| January Average | 35°F (1°C) |
| July Average | 75°F (24°C) |
Geography
| Elevation | 387 ft (118 m) |
| Area | 1.4 sq mi (3.7 km²) |
| Population Density | 792/sq mi |
| Coordinates | 46.2543°N, 119.1826°W |
| Timezone | America/Los_Angeles |
| County | Benton County County |
| Nearest Airport | Tri-Cities (PSC) 3 miles away |
Precipitation & Snow
Air Quality
| AQI Median | 34.0 |
| Rating | Good |
| Good Days % | 81.7% |
| Unhealthy Days | 3 |
Air Pollutants (EPA 2023)
| Ozone (O₃) | 0.0469 ppm |
Natural Hazard Risk
| Overall Risk | Relatively Moderate |
| Risk Score | 87.1 / 100 |
| Social Vulnerability | 30.3 / 100 |
| Community Resilience | 58.6 / 100 |
Hazard Breakdown
| Tornado | Very Low |
| Earthquake | Relatively Moderate |
| Wildfire | Relatively Moderate |
| Flood | Relatively Moderate |
| Hail | Relatively Low |
| Strong Wind | Relatively Low |
| Heat Wave | Relatively Moderate |
| Winter Weather | Relatively High |
| Lightning | Relatively Moderate |
| Ice Storm | Relatively High |
| Drought | Very Low |
| Cold Wave | Relatively Moderate |
| Landslide | Relatively Low |
| Volcano | Very Low |
| Avalanche | Very Low |
Source: FEMA National Risk Index v1.20 (Dec 2025)
Nearby Volcanoes
1 volcano within 200 km. Closest: Adams (178 km).
| Name | Type | Elevation | Last Eruption | Distance |
| Adams | Stratovolcano | 3,742 m (12,277 ft) | 950 | 178 km |
Source: Smithsonian Institution Global Volcanism Program (GVP). Sorted by distance.
Monthly Weather
| Month | Avg Temperature | Precipitation | Summary |
|---|---|---|---|
| January | 35°F (1°C) | 1.0 in | Wettest |
| February | 38°F (4°C) | 0.6 in | |
| March | 46°F (8°C) | 0.7 in | |
| April | 53°F (12°C) | 0.7 in | |
| May | 61°F (16°C) | 0.7 in | |
| June | 68°F (20°C) | 0.6 in | |
| July | 75°F (24°C) | 0.2 in | Warmest, Driest |
| August | 73°F (23°C) | 0.3 in | |
| September | 64°F (18°C) | 0.3 in | |
| October | 52°F (11°C) | 0.7 in | |
| November | 41°F (5°C) | 0.9 in | |
| December | 34°F (1°C) | 1.0 in | Coldest |
West Pasco has a seasonal temperature swing of 41°F / from 34°F in December to 75°F in July. Total annual precipitation is 7.6 inches, with January being the wettest month (1.0") and July the driest (0.2").