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Carlsborg, WA
Full City Profile · Washington · San Juan County County
2.4
/5.0
C
Fair
1,135
Population
1,071/sq mi density
$39,239
Median Income
$26,547 per capita
$262,500
Home Value
$555,387 Zillow
$1,315
Median Rent
51.0% income on rent
49°F
Avg Temperature
274 sunny days/yr
120
Violent Crime/100K
5,507 property/100K
C
Overall
2.4 / 5.0
Fair overall score based on economy, affordability, safety and education
B+
Economy
3.5 / 5.0
$39,239 median income, 0.0% unemployment
C+
Affordability
2.9 / 5.0
$262,500 home value, $1,315/mo rent
F
Safety
1.0 / 5.0
120 violent crimes/100K
C
Education
2.2 / 5.0
14.4% bachelor's degree or higher
Carlsborg experiences four distinct seasons with an average annual temperature of 49°F (9°C). Winters average 39°F in January while summers reach 61°F in July. The area gets 274 sunny days per year. Annual precipitation totals 16.9 inches. The area receives 1.4 inches of snow annually. Air quality is rated Good with a median AQI of 28.
Temperature
39°F Jan (4°C)
61°F Jul (16°C)
| Annual Average | 48.9°F |
| 9% below US avg | |
| January Average | 39°F (4°C) |
| July Average | 61°F (16°C) |
| Sunny Days | 274 days/yr |
Geography
| Elevation | 206 ft (63 m) |
| Area | 0.4 sq mi (1.0 km²) |
| Population Density | 1,071/sq mi |
| Coordinates | 48.0842°N, 123.1697°W |
| Timezone | America/Los_Angeles |
| County | San Juan County County |
| Nearest Airport | William R Fairchild International (CLM) 15 miles away |
Precipitation & Snow
Air Quality
| AQI Median | 28.0 |
| Rating | Good |
Natural Hazard Risk
| Overall Risk | Very Low |
| Risk Score | 35.4 / 100 |
| Social Vulnerability | 61.0 / 100 |
| Community Resilience | 95.8 / 100 |
Hazard Breakdown
| Tornado | Very Low |
| Earthquake | Relatively Low |
| Wildfire | Very Low |
| Flood | Relatively Low |
| Hail | Very Low |
| Strong Wind | Very Low |
| Heat Wave | Very Low |
| Winter Weather | Relatively Low |
| Lightning | Very Low |
| Ice Storm | Very Low |
| Drought | No Rating |
| Cold Wave | Relatively Low |
| Landslide | Very Low |
| Coastal Flood | Relatively Low |
| Tsunami | Very Low |
| Volcano | 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 | 104 km |
| 1891 | WASHINGTON | Eruption + Earthquake | 2.4 m | — | 26 km |
| 1949 | PUGET SOUND, WA | Meteorological | 2.4 m | — | 99 km |
| 1949 | PUGET SOUND, WA | Eruption + Earthquake | — | 8 | 110 km |
| 1820 | CAMANO ISLAND, WA | Meteorological | — | — | 60 km |
Source: NOAA/NCEI Historical Tsunami Database. Sorted by wave height.
Nearby Volcanoes
4 volcanoes within 200 km. Closest: Baker (126 km).
| Name | Type | Elevation | Last Eruption | Distance |
| Baker | Stratovolcano(es) | 3,285 m (10,778 ft) | 1880 | 126 km |
| Glacier Peak | Stratovolcano | 3,213 m (10,541 ft) | 1700 | 153 km |
| Rainier | Stratovolcano | 4,392 m (14,409 ft) | 1450 | 173 km |
| Garibaldi | Stratovolcano | 2,678 m (8,786 ft) | -8060 | 197 km |
Source: Smithsonian Institution Global Volcanism Program (GVP). Sorted by distance.
Monthly Weather
| Month | Avg Temperature | Precipitation | Summary |
|---|---|---|---|
| January | 39°F (4°C) | 6.1 in | |
| February | 40°F (4°C) | 4.6 in | |
| March | 42°F (6°C) | 4.0 in | |
| April | 46°F (8°C) | 2.6 in | |
| May | 51°F (11°C) | 1.9 in | |
| June | 55°F (13°C) | 1.5 in | |
| July | 61°F (16°C) | 1.0 in | Warmest, Driest |
| August | 60°F (16°C) | 1.2 in | |
| September | 57°F (14°C) | 1.7 in | |
| October | 49°F (10°C) | 3.6 in | |
| November | 42°F (6°C) | 6.5 in | |
| December | 38°F (3°C) | 6.9 in | Coldest, Wettest |
Carlsborg has a seasonal temperature swing of 23°F / from 38°F in December to 61°F in July. Total annual precipitation is 41.6 inches, with December being the wettest month (6.9") and July the driest (1.0").