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Sedro-Woolley, WA
Full City Profile · Washington · Island County County
2.7
/5.0
C+
Fair
12,633
Population
2,904/sq mi density
$72,140
Median Income
$31,955 per capita
$390,200
Home Value
$491,503 Zillow
$1,460
Median Rent
34.8% income on rent
50°F
Avg Temperature
233 sunny days/yr
141
Violent Crime/100K
8,388 property/100K
C+
Overall
2.7 / 5.0
Fair overall score based on economy, affordability, safety and education
A
Economy
4.0 / 5.0
$72,140 median income, 3.5% unemployment
B+
Affordability
3.6 / 5.0
$390,200 home value, $1,460/mo rent
F
Safety
1.0 / 5.0
141 violent crimes/100K
C
Education
2.4 / 5.0
17.1% bachelor's degree or higher
Sedro-Woolley experiences four distinct seasons with an average annual temperature of 50°F (10°C). Winters average 38°F in January while summers reach 64°F in July. The area gets 233 sunny days per year. Annual precipitation totals 49.9 inches. The area receives 10.8 inches of snow annually. Air quality is rated Good with a median AQI of 28.
Temperature
38°F Jan (3°C)
64°F Jul (18°C)
| Annual Average | 50.3°F |
| 7% below US avg | |
| January Average | 38°F (3°C) |
| July Average | 64°F (18°C) |
| Sunny Days | 233 days/yr |
Geography
| Elevation | 59 ft (18 m) |
| Area | 1.7 sq mi (4.3 km²) |
| Population Density | 2,904/sq mi |
| Coordinates | 48.5114°N, 122.2321°W |
| Timezone | America/Los_Angeles |
| County | Island County County |
| Nearest Airport | Skagit Regional (MVW) 9 miles away |
Precipitation & Snow
Air Quality
| AQI Median | 28.0 |
| Rating | Good |
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
5 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 | — | 108 km |
| 1894 | PUYALLUP RIVER DELTA, TACOMA, WA | Meteorological | 3.0 m | 2 | 137 km |
| 1891 | WASHINGTON | Eruption + Earthquake | 2.4 m | — | 110 km |
| 1949 | PUGET SOUND, WA | Meteorological | 2.4 m | — | 137 km |
| 1820 | CAMANO ISLAND, WA | Meteorological | — | — | 51 km |
Source: NOAA/NCEI Historical Tsunami Database. Sorted by wave height.
Nearby Volcanoes
6 volcanoes within 200 km. Closest: Baker (43 km).
| Name | Type | Elevation | Last Eruption | Distance |
| Baker | Stratovolcano(es) | 3,285 m (10,778 ft) | 1880 | 43 km |
| Glacier Peak | Stratovolcano | 3,213 m (10,541 ft) | 1700 | 94 km |
| Garibaldi | Stratovolcano | 2,678 m (8,786 ft) | -8060 | 159 km |
| Garibaldi Lake | Volcanic field | 2,316 m (7,598 ft) | Unknown | 168 km |
| Rainier | Stratovolcano | 4,392 m (14,409 ft) | 1450 | 188 km |
| Cayley Volcanic Field | Volcanic field | 2,375 m (7,792 ft) | Unknown | 194 km |
Source: Smithsonian Institution Global Volcanism Program (GVP). Sorted by distance.
Monthly Weather
| Month | Avg Temperature | Precipitation | Summary |
|---|---|---|---|
| January | 38°F (3°C) | 6.6 in | |
| February | 40°F (5°C) | 4.8 in | |
| March | 43°F (6°C) | 4.8 in | |
| April | 47°F (8°C) | 4.1 in | |
| May | 53°F (12°C) | 3.3 in | |
| June | 57°F (14°C) | 2.8 in | |
| July | 64°F (18°C) | 1.8 in | Warmest |
| August | 62°F (17°C) | 1.8 in | Driest |
| September | 58°F (14°C) | 2.8 in | |
| October | 50°F (10°C) | 4.7 in | |
| November | 42°F (6°C) | 7.6 in | Wettest |
| December | 38°F (3°C) | 6.9 in | Coldest |
Sedro-Woolley has a seasonal temperature swing of 26°F / from 38°F in December to 64°F in July. Total annual precipitation is 51.9 inches, with November being the wettest month (7.6") and August the driest (1.8").