Amboy, WA
Full City Profile · Washington · Clark County County
4.0
/5.0
A
Great
1,545
Population
155/sq mi density
$127,639
Median Income
$41,414 per capita
$582,700
Home Value
$692,085 Zillow
51°F
Avg Temperature
A
Overall
4.0 / 5.0
Strong
A
Economy
4.3 / 5.0
$127,639 median income, 6.4% unemployment
A
Affordability
4.1 / 5.0
$582,700 home value, /mo rent
B+
Education
3.7 / 5.0
33.6% bachelor's degree or higher
Amboy experiences four distinct seasons with an average annual temperature of 51°F (11°C). Winters average 39°F in January while summers reach 65°F in July. Annual precipitation totals 68.2 inches. The area receives 3.0 inches of snow annually. Air quality is rated Good with a median AQI of 31.
Temperature
39°F Jan (4°C)
65°F Jul (18°C)
| Annual Average | 50.9°F |
| 6% below US avg | |
| January Average | 39°F (4°C) |
| July Average | 65°F (18°C) |
Geography
| Elevation | 656 ft (200 m) |
| Area | 3.9 sq mi (10.0 km²) |
| Population Density | 155/sq mi |
| Coordinates | 45.9159°N, 122.4889°W |
| Timezone | America/Los_Angeles |
| County | Clark County County |
| Nearest Airport | Portland International (PDX) 23 miles away |
Precipitation & Snow
Air Quality
| AQI Median | 31.0 |
| Rating | Good |
| Good Days % | 87.7% |
| Unhealthy Days | 1 |
Air Pollutants (EPA 2023)
| Ozone (O₃) | 0.0412 ppm |
| PM2.5 (Fine Particles) | 6.5 μg/m³ |
Natural Hazard Risk
| Overall Risk | Relatively Moderate |
| Risk Score | 92.2 / 100 |
| Social Vulnerability | 12.2 / 100 |
| Community Resilience | 70.3 / 100 |
Hazard Breakdown
| Tornado | Relatively Low |
| Earthquake | Relatively Moderate |
| Wildfire | Relatively Low |
| Flood | Relatively Moderate |
| Hail | Very Low |
| Strong Wind | Relatively Moderate |
| Heat Wave | Relatively Moderate |
| Winter Weather | Relatively Moderate |
| Lightning | Relatively Moderate |
| Ice Storm | Relatively High |
| Drought | No Rating |
| Cold Wave | Relatively High |
| Landslide | Relatively Low |
| Coastal Flood | Very Low |
| Volcano | Relatively Low |
| Avalanche | Very Low |
Source: FEMA National Risk Index v1.20 (Dec 2025)
Tsunami History
2 tsunamis recorded within 500 km. Highest wave on record: 250.0 m (820 ft).
| Year | Location | Cause | Max Wave | Deaths | Distance |
| 1980 | WASHINGTON | Explosion | 250.0 m | 61 | 40 km |
| 1949 | PUGET SOUND, WA | Eruption + Earthquake | - | 8 | 140 km |
Source: NOAA/NCEI Historical Tsunami Database. Sorted by wave height.
Nearby Volcanoes
9 volcanoes within 200 km. Closest: West Crater (32 km).
| Name | Type | Elevation | Last Eruption | Distance |
| West Crater | Volcanic field | 1,329 m (4,360 ft) | -5750 | 32 km |
| St. Helens | Stratovolcano | 2,549 m (8,363 ft) | 2008 | 40 km |
| Indian Heaven | Shield(s) | 1,806 m (5,925 ft) | -6250 | 52 km |
| Adams | Stratovolcano | 3,742 m (12,277 ft) | 950 | 84 km |
| Hood | Stratovolcano | 3,426 m (11,240 ft) | 1866 | 86 km |
| Rainier | Stratovolcano | 4,392 m (14,409 ft) | 1450 | 118 km |
| Jefferson | Stratovolcano | 3,199 m (10,495 ft) | 950 | 148 km |
| Sand Mountain Field | Pyroclastic cone(s) | 1,664 m (5,459 ft) | -950 | 176 km |
| Belknap | Shield(s) | 2,095 m (6,873 ft) | 480 | 188 km |
Source: Smithsonian Institution Global Volcanism Program (GVP). Sorted by distance.
Monthly Weather
| Month | Avg Temperature | Precipitation | Summary |
|---|---|---|---|
| January | 39°F (4°C) | 9.7 in | |
| February | 41°F (5°C) | 7.2 in | |
| March | 45°F (7°C) | 7.4 in | |
| April | 49°F (9°C) | 5.9 in | |
| May | 55°F (13°C) | 3.6 in | |
| June | 59°F (15°C) | 2.7 in | |
| July | 65°F (18°C) | 0.7 in | Driest |
| August | 65°F (18°C) | 1.1 in | Warmest |
| September | 60°F (16°C) | 2.8 in | |
| October | 51°F (11°C) | 6.1 in | |
| November | 44°F (6°C) | 10.2 in | |
| December | 39°F (4°C) | 10.8 in | Coldest, Wettest |
Amboy has a seasonal temperature swing of 26°F / from 39°F in December to 65°F in August. Total annual precipitation is 68.2 inches, with December being the wettest month (10.8") and July the driest (0.7").