Silverdale, WA
Full City Profile · Washington · Kitsap County County
4.0
/5.0
A
Great
21,046
Population
1,666/sq mi density
$101,445
Median Income
$48,273 per capita
$507,600
Home Value
$602,343 Zillow
$2,056
Median Rent
32.8% income on rent
52°F
Avg Temperature
A
Overall
4.0 / 5.0
Strong
A
Economy
4.4 / 5.0
$101,445 median income, 5.8% unemployment
B+
Affordability
3.9 / 5.0
$507,600 home value, $2,056/mo rent
B+
Education
3.9 / 5.0
35.7% bachelor's degree or higher
Silverdale experiences four distinct seasons with an average annual temperature of 52°F (11°C). Winters average 41°F in January while summers reach 66°F in July. Annual precipitation totals 56.9 inches. The area receives 3.0 inches of snow annually. Air quality is rated Good with a median AQI of 19.
Temperature
41°F Jan (5°C)
66°F Jul (19°C)
| Annual Average | 52.3°F |
| 3% below US avg | |
| January Average | 41°F (5°C) |
| July Average | 66°F (19°C) |
Geography
| Elevation | 62 ft (19 m) |
| Area | 5.3 sq mi (13.6 km²) |
| Population Density | 1,666/sq mi |
| Coordinates | 47.6677°N, 122.6819°W |
| Timezone | America/Los_Angeles |
| County | Kitsap County County |
| Nearest Airport | Boeing Field/King County International (BFI) 20 miles away |
Precipitation & Snow
Air Quality
| AQI Median | 19.0 |
| Rating | Good |
| Good Days % | 97.2% |
| Unhealthy Days | 0 |
Air Pollutants (EPA 2023)
| PM2.5 (Fine Particles) | 4.9 μg/m³ |
Natural Hazard Risk
| Overall Risk | Relatively Moderate |
| Risk Score | 92.3 / 100 |
| Social Vulnerability | 12.2 / 100 |
| Community Resilience | 72.9 / 100 |
Hazard Breakdown
| Tornado | Very Low |
| Earthquake | Relatively High |
| Wildfire | Very Low |
| Flood | Relatively Moderate |
| Hail | Very Low |
| Strong Wind | Very Low |
| Heat Wave | Relatively Moderate |
| Winter Weather | Relatively Low |
| Lightning | Relatively Low |
| Ice Storm | Relatively Low |
| Drought | No Rating |
| Cold Wave | No Rating |
| Landslide | Relatively High |
| Coastal Flood | Relatively Moderate |
| Tsunami | Relatively Low |
| Volcano | Very 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: 3.0 m (10 ft).
| Year | Location | Cause | Max Wave | Deaths | Distance |
| 1894 | PUYALLUP RIVER DELTA, TACOMA, WA | Meteorological | 3.0 m | 2 | 46 km |
| 1891 | WASHINGTON | Eruption + Earthquake | 2.4 m | - | 71 km |
| 1949 | PUGET SOUND, WA | Meteorological | 2.4 m | - | 42 km |
| 1949 | PUGET SOUND, WA | Eruption + Earthquake | - | 8 | 56 km |
| 1820 | CAMANO ISLAND, WA | Meteorological | - | - | 50 km |
Source: NOAA/NCEI Historical Tsunami Database. Sorted by wave height.
Nearby Volcanoes
5 volcanoes within 200 km. Closest: Rainier (114 km).
| Name | Type | Elevation | Last Eruption | Distance |
| Rainier | Stratovolcano | 4,392 m (14,409 ft) | 1450 | 114 km |
| Glacier Peak | Stratovolcano | 3,213 m (10,541 ft) | 1700 | 127 km |
| Baker | Stratovolcano(es) | 3,285 m (10,778 ft) | 1880 | 139 km |
| St. Helens | Stratovolcano | 2,549 m (8,363 ft) | 2008 | 168 km |
| Adams | Stratovolcano | 3,742 m (12,277 ft) | 950 | 186 km |
Source: Smithsonian Institution Global Volcanism Program (GVP). Sorted by distance.
Monthly Weather
| Month | Avg Temperature | Precipitation | Summary |
|---|---|---|---|
| January | 41°F (5°C) | 9.3 in | |
| February | 42°F (6°C) | 5.8 in | |
| March | 46°F (8°C) | 6.4 in | |
| April | 50°F (10°C) | 3.9 in | |
| May | 56°F (13°C) | 2.4 in | |
| June | 61°F (16°C) | 1.6 in | |
| July | 66°F (19°C) | 0.8 in | Driest |
| August | 66°F (19°C) | 1.1 in | Warmest |
| September | 62°F (16°C) | 1.8 in | |
| October | 53°F (11°C) | 5.1 in | |
| November | 45°F (7°C) | 8.8 in | |
| December | 40°F (5°C) | 9.9 in | Coldest, Wettest |
Silverdale has a seasonal temperature swing of 26°F / from 40°F in December to 66°F in August. Total annual precipitation is 56.9 inches, with December being the wettest month (9.9") and July the driest (0.8").