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Mount Vernon, WA
Full City Profile · Washington · Island County County
2.9
/5.0
C+
Fair
35,312
Population
2,871/sq mi density
$73,277
Median Income
$35,646 per capita
$429,300
Home Value
$579,528 Zillow
$1,255
Median Rent
33.4% income on rent
52°F
Avg Temperature
200 sunny days/yr
152
Violent Crime/100K
3,143 property/100K
C+
Overall
2.9 / 5.0
Fair overall score based on economy, affordability, safety and education
A
Economy
4.0 / 5.0
$73,277 median income, 3.1% unemployment
B
Affordability
3.4 / 5.0
$429,300 home value, $1,255/mo rent
F
Safety
1.0 / 5.0
152 violent crimes/100K
B
Education
3.0 / 5.0
25.6% bachelor's degree or higher
Mount Vernon experiences four distinct seasons with an average annual temperature of 52°F (11°C). Winters average 41°F in January while summers reach 63°F in July. The area gets 200 sunny days per year. Air quality is rated Good with a median AQI of 28.
Temperature
41°F Jan (5°C)
63°F Jul (17°C)
| Annual Average | 51.5°F |
| 5% below US avg | |
| January Average | 41°F (5°C) |
| July Average | 63°F (17°C) |
| Sunny Days | 200 days/yr |
Geography
| Elevation | 207 ft (63 m) |
| Area | 12.5 sq mi (32.4 km²) |
| Population Density | 2,871/sq mi |
| Coordinates | 48.4171°N, 122.3118°W |
| Timezone | America/Los_Angeles |
| County | Island County County |
| Nearest Airport | Skagit Regional (MVW) 6 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
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 | — | 119 km |
| 1894 | PUYALLUP RIVER DELTA, TACOMA, WA | Meteorological | 3.0 m | 2 | 126 km |
| 1891 | WASHINGTON | Eruption + Earthquake | 2.4 m | — | 100 km |
| 1949 | PUGET SOUND, WA | Meteorological | 2.4 m | — | 125 km |
| 1949 | PUGET SOUND, WA | Eruption + Earthquake | — | 8 | 141 km |
| 1820 | CAMANO ISLAND, WA | Meteorological | — | — | 40 km |
Source: NOAA/NCEI Historical Tsunami Database. Sorted by wave height.
Nearby Volcanoes
5 volcanoes within 200 km. Closest: Baker (54 km).
| Name | Type | Elevation | Last Eruption | Distance |
| Baker | Stratovolcano(es) | 3,285 m (10,778 ft) | 1880 | 54 km |
| Glacier Peak | Stratovolcano | 3,213 m (10,541 ft) | 1700 | 95 km |
| Garibaldi | Stratovolcano | 2,678 m (8,786 ft) | -8060 | 167 km |
| Garibaldi Lake | Volcanic field | 2,316 m (7,598 ft) | Unknown | 176 km |
| Rainier | Stratovolcano | 4,392 m (14,409 ft) | 1450 | 179 km |
Source: Smithsonian Institution Global Volcanism Program (GVP). Sorted by distance.
Monthly Weather
| Month | Avg Temperature | Precipitation | Summary |
|---|---|---|---|
| January | 41°F (5°C) | 5.7 in | |
| February | 42°F (5°C) | 4.1 in | |
| March | 44°F (7°C) | 4.2 in | |
| April | 48°F (9°C) | 3.6 in | |
| May | 54°F (12°C) | 3.0 in | |
| June | 58°F (15°C) | 2.6 in | |
| July | 63°F (17°C) | 1.6 in | Warmest |
| August | 63°F (17°C) | 1.6 in | Driest |
| September | 59°F (15°C) | 2.6 in | |
| October | 51°F (10°C) | 4.0 in | |
| November | 43°F (6°C) | 6.5 in | Wettest |
| December | 39°F (4°C) | 5.9 in | Coldest |
Mount Vernon has a seasonal temperature swing of 25°F / from 39°F in December to 63°F in July. Total annual precipitation is 45.4 inches, with November being the wettest month (6.5") and August the driest (1.6").