Lake Ketchum, WA
Full City Profile · Washington · Island County County
4.0
/5.0
A
Great
1,088
Population
350/sq mi density
$132,716
Median Income
$41,277 per capita
$586,700
Home Value
$706,984 Zillow
52°F
Avg Temperature
A
Overall
4.0 / 5.0
Strong
A+
Economy
5.0 / 5.0
$132,716 median income, 0.0% unemployment
A
Affordability
4.2 / 5.0
$586,700 home value, /mo rent
C+
Education
2.9 / 5.0
23.7% bachelor's degree or higher
Lake Ketchum experiences four distinct seasons with an average annual temperature of 52°F (11°C). Winters average 44°F in January while summers reach 62°F in July. Annual precipitation totals 19.9 inches. The area receives 5.4 inches of snow annually.
Temperature
44°F Jan (7°C)
62°F Jul (16°C)
| Annual Average | 52.1°F |
| 4% below US avg | |
| January Average | 44°F (7°C) |
| July Average | 62°F (16°C) |
Geography
| Elevation | 228 ft (69 m) |
| Area | 1.2 sq mi (3.1 km²) |
| Population Density | 350/sq mi |
| Coordinates | 48.2858°N, 122.3465°W |
| Timezone | America/Los_Angeles |
| County | Island County County |
| Nearest Airport | Skagit Regional (MVW) 13 miles away |
Precipitation & Snow
Air Quality
Natural Hazard Risk
| Overall Risk | Relatively Low |
| Risk Score | 78.0 / 100 |
| Social Vulnerability | 36.8 / 100 |
| Community Resilience | 80.4 / 100 |
Hazard Breakdown
| Tornado | Very Low |
| Earthquake | Relatively Moderate |
| Wildfire | Very Low |
| Flood | Relatively Low |
| Hail | Very Low |
| Strong Wind | Very Low |
| Heat Wave | Very Low |
| Winter Weather | Relatively Low |
| Lightning | Relatively Low |
| Ice Storm | Relatively Moderate |
| Drought | No Rating |
| Cold Wave | Relatively Low |
| Landslide | Relatively High |
| Coastal Flood | Relatively Moderate |
| Tsunami | Very Low |
| Volcano | Relatively Low |
| Avalanche | Very Low |
Source: FEMA National Risk Index v1.20 (Dec 2025)
Tsunami History
6 tsunamis recorded within 500 km. Highest wave on record: 38.0 m (125 ft).
| Year | Location | Cause | Max Wave | Deaths | Distance |
| 2007 | CHEHALIS LAKE, CHILLIWACK | Meteorological | 38.0 m | - | 134 km |
| 1894 | PUYALLUP RIVER DELTA, TACOMA, WA | Meteorological | 3.0 m | 2 | 111 km |
| 1891 | WASHINGTON | Eruption + Earthquake | 2.4 m | - | 91 km |
| 1949 | PUGET SOUND, WA | Meteorological | 2.4 m | - | 111 km |
| 1949 | PUGET SOUND, WA | Eruption + Earthquake | - | 8 | 126 km |
| 1820 | CAMANO ISLAND, WA | Meteorological | - | - | 25 km |
Source: NOAA/NCEI Historical Tsunami Database. Sorted by wave height.
Nearby Volcanoes
5 volcanoes within 200 km. Closest: Baker (67 km).
| Name | Type | Elevation | Last Eruption | Distance |
| Baker | Stratovolcano(es) | 3,285 m (10,778 ft) | 1880 | 67 km |
| Glacier Peak | Stratovolcano | 3,213 m (10,541 ft) | 1700 | 93 km |
| Rainier | Stratovolcano | 4,392 m (14,409 ft) | 1450 | 165 km |
| Garibaldi | Stratovolcano | 2,678 m (8,786 ft) | -8060 | 180 km |
| Garibaldi Lake | Volcanic field | 2,316 m (7,598 ft) | Unknown | 189 km |
Source: Smithsonian Institution Global Volcanism Program (GVP). Sorted by distance.
Monthly Weather
| Month | Avg Temperature | Precipitation | Summary |
|---|---|---|---|
| January | 44°F (7°C) | 2.4 in | |
| February | 44°F (7°C) | 1.6 in | |
| March | 47°F (8°C) | 1.7 in | |
| April | 51°F (11°C) | 1.7 in | |
| May | 55°F (13°C) | 1.7 in | |
| June | 59°F (15°C) | 1.1 in | |
| July | 62°F (16°C) | 0.6 in | Driest |
| August | 62°F (17°C) | 0.9 in | Warmest |
| September | 59°F (15°C) | 1.1 in | |
| October | 53°F (12°C) | 2.0 in | |
| November | 47°F (8°C) | 3.1 in | Wettest |
| December | 43°F (6°C) | 2.0 in | Coldest |
Lake Ketchum has a seasonal temperature swing of 19°F / from 43°F in December to 62°F in August. Total annual precipitation is 19.9 inches, with November being the wettest month (3.1") and July the driest (0.6").