All Countries
Chain Lake, WA
Full City Profile · Washington · King County County
3.5
/5.0
B+
Good
4,989
Population
457/sq mi density
$148,932
Median Income
$69,150 per capita
$830,200
Home Value
$723,475 Zillow
$1,728
Median Rent
18.0% income on rent
50°F
Avg Temperature
237 sunny days/yr
348
Violent Crime/100K
3,916 property/100K
B+
Overall
3.5 / 5.0
Good overall score based on economy, affordability, safety and education
A+
Economy
4.9 / 5.0
$148,932 median income, 2.7% unemployment
B+
Affordability
3.5 / 5.0
$830,200 home value, $1,728/mo rent
F
Safety
1.0 / 5.0
348 violent crimes/100K
A
Education
4.4 / 5.0
42.5% bachelor's degree or higher
Chain Lake experiences four distinct seasons with an average annual temperature of 50°F (10°C). Winters average 38°F in January while summers reach 63°F in July. The area gets 237 sunny days per year. Annual precipitation totals 50.8 inches. The area receives 3.0 inches of snow annually. Air quality is rated Good with a median AQI of 28.
Temperature
38°F Jan (3°C)
63°F Jul (17°C)
| Annual Average | 49.5°F |
| 8% below US avg | |
| January Average | 38°F (3°C) |
| July Average | 63°F (17°C) |
| Sunny Days | 237 days/yr |
Geography
| Elevation | 335 ft (102 m) |
| Area | 4.1 sq mi (10.6 km²) |
| Population Density | 457/sq mi |
| Coordinates | 47.9023°N, 121.9871°W |
| Timezone | America/Los_Angeles |
| County | King County County |
| Nearest Airport | Seattle Paine Field International (PAE) 14 miles away |
Precipitation & Snow
Air Quality
| AQI Median | 28.0 |
| Rating | Good |
Air Pollutants (EPA 2023)
| Ozone (O₃) | 0.0367 ppm |
| NO₂ (Nitrogen Dioxide) | 18.2 ppb |
| SO₂ (Sulfur Dioxide) | 0.59 ppb |
| CO (Carbon Monoxide) | 0.27 ppm |
| PM2.5 (Fine Particles) | 6.8 μg/m³ |
Natural Hazard Risk
| Overall Risk | Very High |
| Risk Score | 99.7 / 100 |
| Social Vulnerability | 14.8 / 100 |
| Community Resilience | 87.4 / 100 |
Hazard Breakdown
| Tornado | Relatively Moderate |
| Earthquake | Very High |
| Wildfire | Relatively Low |
| Flood | Very High |
| Hail | Very Low |
| Strong Wind | Very Low |
| Heat Wave | Relatively High |
| Winter Weather | Relatively High |
| Lightning | Relatively Moderate |
| Ice Storm | Relatively High |
| Drought | Very Low |
| Cold Wave | Relatively Low |
| Landslide | Relatively High |
| Coastal Flood | Relatively Moderate |
| Tsunami | Relatively Low |
| Volcano | Relatively High |
| Avalanche | Very High |
Source: FEMA National Risk Index v1.20 (Dec 2025)
Tsunami History
5 tsunamis recorded within 500 km. Highest wave on record: 3.0 m (10 ft).
| Year | Location | Cause | Max Wave | Deaths | Distance |
| 1894 | PUYALLUP RIVER DELTA, TACOMA, WA | Meteorological | 3.0 m | 2 | 77 km |
| 1891 | WASHINGTON | Eruption + Earthquake | 2.4 m | — | 113 km |
| 1949 | PUGET SOUND, WA | Meteorological | 2.4 m | — | 79 km |
| 1949 | PUGET SOUND, WA | Eruption + Earthquake | — | 8 | 94 km |
| 1820 | CAMANO ISLAND, WA | Meteorological | — | — | 33 km |
Source: NOAA/NCEI Historical Tsunami Database. Sorted by wave height.
Nearby Volcanoes
5 volcanoes within 200 km. Closest: Glacier Peak (69 km).
| Name | Type | Elevation | Last Eruption | Distance |
| Glacier Peak | Stratovolcano | 3,213 m (10,541 ft) | 1700 | 69 km |
| Baker | Stratovolcano(es) | 3,285 m (10,778 ft) | 1880 | 98 km |
| Rainier | Stratovolcano | 4,392 m (14,409 ft) | 1450 | 118 km |
| St. Helens | Stratovolcano | 2,549 m (8,363 ft) | 2008 | 190 km |
| Adams | Stratovolcano | 3,742 m (12,277 ft) | 950 | 192 km |
Source: Smithsonian Institution Global Volcanism Program (GVP). Sorted by distance.
Monthly Weather
| Month | Avg Temperature | Precipitation | Summary |
|---|---|---|---|
| January | 38°F (3°C) | 7.8 in | Coldest |
| February | 42°F (5°C) | 5.7 in | |
| March | 44°F (7°C) | 5.9 in | |
| April | 48°F (9°C) | 4.8 in | |
| May | 54°F (12°C) | 3.8 in | |
| June | 59°F (15°C) | 3.0 in | |
| July | 63°F (17°C) | 1.8 in | Driest |
| August | 64°F (18°C) | 1.9 in | Warmest |
| September | 59°F (15°C) | 3.3 in | |
| October | 51°F (10°C) | 5.0 in | |
| November | 43°F (6°C) | 8.3 in | Wettest |
| December | 39°F (4°C) | 8.3 in |
Chain Lake has a seasonal temperature swing of 26°F / from 38°F in January to 64°F in August. Total annual precipitation is 59.6 inches, with November being the wettest month (8.3") and July the driest (1.8").