All Countries
Hamilton, WA
Full City Profile · Washington · Skagit County County
2.2
/5.0
C
Fair
249
Population
208/sq mi density
$37,188
Median Income
$31,692 per capita
$220,700
Home Value
$453,594 Zillow
51°F
Avg Temperature
166 sunny days/yr
259
Violent Crime/100K
4,588 property/100K
C
Overall
2.2 / 5.0
Fair overall score based on economy, affordability, safety and education
C+
Economy
2.8 / 5.0
$37,188 median income, 3.2% unemployment
B
Affordability
3.3 / 5.0
$220,700 home value, /mo rent
F
Safety
1.0 / 5.0
259 violent crimes/100K
D
Education
1.6 / 5.0
7.1% bachelor's degree or higher
Hamilton experiences four distinct seasons with an average annual temperature of 51°F (11°C). Winters average 38°F in January while summers reach 64°F in July. The area gets 166 sunny days per year. Annual precipitation totals 71.2 inches. The area receives 16.3 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 | 50.7°F |
| 6% below US avg | |
| January Average | 38°F (3°C) |
| July Average | 64°F (18°C) |
| Sunny Days | 166 days/yr |
Geography
| Elevation | 95 ft (29 m) |
| Area | 1.2 sq mi (3.1 km²) |
| Population Density | 208/sq mi |
| Coordinates | 48.5225°N, 121.9953°W |
| Timezone | America/Los_Angeles |
| County | Skagit County County |
| Nearest Airport | Skagit Regional (MVW) 20 miles away |
Precipitation & Snow
Air Quality
| AQI Median | 28.0 |
| Rating | Good |
Air Pollutants (EPA 2023)
| Ozone (O₃) | 0.0285 ppm |
| SO₂ (Sulfur Dioxide) | 0.40 ppb |
| PM2.5 (Fine Particles) | 5.3 μg/m³ |
Natural Hazard Risk
| Overall Risk | Relatively Moderate |
| Risk Score | 88.8 / 100 |
| Social Vulnerability | 31.7 / 100 |
| Community Resilience | 73.4 / 100 |
Hazard Breakdown
| Tornado | Very Low |
| Earthquake | Relatively Moderate |
| Wildfire | Very Low |
| Flood | Relatively Moderate |
| Hail | Very Low |
| Strong Wind | Very Low |
| Heat Wave | Relatively Low |
| Winter Weather | Relatively Moderate |
| Lightning | Relatively Low |
| Ice Storm | Relatively High |
| Drought | Very Low |
| Cold Wave | Relatively Low |
| Landslide | Relatively Moderate |
| Coastal Flood | Relatively High |
| Tsunami | Very Low |
| Volcano | Relatively High |
| Avalanche | Relatively 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 | — | 105 km |
| 1894 | PUYALLUP RIVER DELTA, TACOMA, WA | Meteorological | 3.0 m | 2 | 142 km |
| 1891 | WASHINGTON | Eruption + Earthquake | 2.4 m | — | 126 km |
| 1949 | PUGET SOUND, WA | Meteorological | 2.4 m | — | 142 km |
| 1820 | CAMANO ISLAND, WA | Meteorological | — | — | 58 km |
Source: NOAA/NCEI Historical Tsunami Database. Sorted by wave height.
Nearby Volcanoes
5 volcanoes within 200 km. Closest: Baker (31 km).
| Name | Type | Elevation | Last Eruption | Distance |
| Baker | Stratovolcano(es) | 3,285 m (10,778 ft) | 1880 | 31 km |
| Glacier Peak | Stratovolcano | 3,213 m (10,541 ft) | 1700 | 80 km |
| Garibaldi | Stratovolcano | 2,678 m (8,786 ft) | -8060 | 165 km |
| Garibaldi Lake | Volcanic field | 2,316 m (7,598 ft) | Unknown | 173 km |
| Rainier | Stratovolcano | 4,392 m (14,409 ft) | 1450 | 187 km |
Source: Smithsonian Institution Global Volcanism Program (GVP). Sorted by distance.
Monthly Weather
| Month | Avg Temperature | Precipitation | Summary |
|---|---|---|---|
| January | 38°F (3°C) | 9.7 in | |
| February | 36°F (2°C) | 7.2 in | |
| March | 39°F (4°C) | 6.9 in | |
| April | 44°F (7°C) | 5.1 in | |
| May | 50°F (10°C) | 3.9 in | |
| June | 55°F (13°C) | 3.1 in | |
| July | 64°F (18°C) | 2.0 in | Warmest, Driest |
| August | 61°F (16°C) | 2.1 in | |
| September | 56°F (13°C) | 3.6 in | |
| October | 47°F (8°C) | 6.5 in | |
| November | 39°F (4°C) | 10.8 in | Wettest |
| December | 34°F (1°C) | 9.9 in | Coldest |
Hamilton has a seasonal temperature swing of 31°F / from 34°F in December to 64°F in July. Total annual precipitation is 70.8 inches, with November being the wettest month (10.8") and July the driest (2.0").