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Copalis Beach, WA
Full City Profile · Washington · Grays Harbor County County
3.2
/5.0
B
Good
442
Population
121/sq mi density
$62,813
Median Income
$26,533 per capita
$272,200
Home Value
$235,642 Zillow
49°F
Avg Temperature
226 sunny days/yr
125
Violent Crime/100K
2,312 property/100K
B
Overall
3.2 / 5.0
Good overall score based on economy, affordability, safety and education
A
Economy
4.0 / 5.0
$62,813 median income, 3.3% unemployment
A
Affordability
4.2 / 5.0
$272,200 home value, /mo rent
F
Safety
1.0 / 5.0
125 violent crimes/100K
B+
Education
3.7 / 5.0
34.3% bachelor's degree or higher
Copalis Beach experiences four distinct seasons with an average annual temperature of 49°F (9°C). Winters average 40°F in January while summers reach 60°F in July. The area gets 226 sunny days per year. Annual precipitation totals 115.6 inches. The area receives 1.0 inches of snow annually. Air quality is rated Good with a median AQI of 28.
Temperature
40°F Jan (4°C)
60°F Jul (15°C)
| Annual Average | 48.8°F |
| 10% below US avg | |
| January Average | 40°F (4°C) |
| July Average | 60°F (15°C) |
| Sunny Days | 226 days/yr |
Geography
| Elevation | 12 ft (4 m) |
| Area | 1.5 sq mi (3.8 km²) |
| Population Density | 121/sq mi |
| Coordinates | 47.1246°N, 124.1665°W |
| Timezone | America/Los_Angeles |
| County | Grays Harbor County County |
| Nearest Airport | Olympia Regional (OLM) 60 miles away |
Precipitation & Snow
Air Quality
| AQI Median | 28.0 |
| Rating | Good |
Natural Hazard Risk
| Overall Risk | Relatively High |
| Risk Score | 97.0 / 100 |
| Social Vulnerability | 67.2 / 100 |
| Community Resilience | 62.0 / 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 Low |
| Winter Weather | Relatively Low |
| Lightning | Very Low |
| Ice Storm | Relatively High |
| Drought | Very Low |
| Cold Wave | Very Low |
| Landslide | Relatively Moderate |
| Coastal Flood | Very High |
| Tsunami | Very High |
| Volcano | No Rating |
| Avalanche | Very Low |
Source: FEMA National Risk Index v1.20 (Dec 2025)
Tsunami History
4 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 | 131 km |
| 1891 | WASHINGTON | Eruption + Earthquake | 2.4 m | — | 109 km |
| 1949 | PUGET SOUND, WA | Meteorological | 2.4 m | — | 125 km |
| 1949 | PUGET SOUND, WA | Eruption + Earthquake | — | 8 | 117 km |
Source: NOAA/NCEI Historical Tsunami Database. Sorted by wave height.
Nearby Volcanoes
2 volcanoes within 200 km. Closest: St. Helens (183 km).
| Name | Type | Elevation | Last Eruption | Distance |
| St. Helens | Stratovolcano | 2,549 m (8,363 ft) | 2008 | 183 km |
| Rainier | Stratovolcano | 4,392 m (14,409 ft) | 1450 | 185 km |
Source: Smithsonian Institution Global Volcanism Program (GVP). Sorted by distance.
Monthly Weather
| Month | Avg Temperature | Precipitation | Summary |
|---|---|---|---|
| January | 40°F (4°C) | 15.4 in | Coldest |
| February | 43°F (6°C) | 12.9 in | |
| March | 45°F (7°C) | 11.6 in | |
| April | 48°F (9°C) | 7.8 in | |
| May | 52°F (11°C) | 4.9 in | |
| June | 56°F (13°C) | 3.2 in | |
| July | 60°F (15°C) | 2.1 in | Driest |
| August | 60°F (16°C) | 2.4 in | Warmest |
| September | 58°F (15°C) | 4.7 in | |
| October | 52°F (11°C) | 9.5 in | |
| November | 46°F (8°C) | 15.1 in | |
| December | 41°F (5°C) | 16.7 in | Wettest |
Copalis Beach has a seasonal temperature swing of 20°F / from 40°F in January to 60°F in August. Total annual precipitation is 106.1 inches, with December being the wettest month (16.7") and July the driest (2.1").