Tonasket, WA
Full City Profile · Washington · Okanogan County County
2.9
/5.0
C+
Fair
976
Population
1,038/sq mi density
$38,273
Median Income
$27,298 per capita
$206,300
Home Value
$242,780 Zillow
$737
Median Rent
24.4% income on rent
50°F
Avg Temperature
C+
Overall
2.9 / 5.0
Fair overall score based on economy, affordability, safety and education
C
Economy
2.4 / 5.0
$38,273 median income, 8.7% unemployment
B+
Affordability
3.6 / 5.0
$206,300 home value, $737/mo rent
C+
Education
2.8 / 5.0
22.0% bachelor's degree or higher
Tonasket experiences four distinct seasons with an average annual temperature of 50°F (10°C). Winters average 29°F in January while summers reach 72°F in July. Annual precipitation totals 17.5 inches. The area receives 52.5 inches of snow annually. Air quality is rated Good with a median AQI of 38.
Temperature
29°F Jan (-2°C)
72°F Jul (22°C)
| Annual Average | 49.7°F |
| 8% below US avg | |
| January Average | 29°F (-2°C) |
| July Average | 72°F (22°C) |
Geography
| Elevation | 902 ft (275 m) |
| Area | 0.4 sq mi (1.0 km²) |
| Population Density | 1,038/sq mi |
| Coordinates | 48.7076°N, 119.4423°W |
| Timezone | America/Los_Angeles |
| County | Okanogan County County |
| Nearest Airport | Grant County International (MWH) 104 miles away |
Precipitation & Snow
Air Quality
| AQI Median | 38.0 |
| Rating | Good |
| Good Days % | 61.5% |
| Unhealthy Days | 1 |
Air Pollutants (EPA 2023)
| PM2.5 (Fine Particles) | 12.1 μg/m³ |
Natural Hazard Risk
| Overall Risk | Relatively Moderate |
| Risk Score | 89.2 / 100 |
| Social Vulnerability | 89.0 / 100 |
| Community Resilience | 16.4 / 100 |
Hazard Breakdown
| Tornado | Very Low |
| Earthquake | Relatively Low |
| Wildfire | Relatively High |
| Flood | Relatively Moderate |
| Hail | Relatively Moderate |
| Strong Wind | Relatively Low |
| Heat Wave | Relatively Low |
| Winter Weather | Relatively Moderate |
| Lightning | Relatively Moderate |
| Ice Storm | Very Low |
| Drought | Very Low |
| Cold Wave | Relatively Moderate |
| Landslide | Relatively Moderate |
| Volcano | Very Low |
| Avalanche | Relatively High |
Source: FEMA National Risk Index v1.20 (Dec 2025)
Tsunami History
9 tsunamis recorded within 500 km. Highest wave on record: 19.8 m (65 ft).
| Year | Location | Cause | Max Wave | Deaths | Distance |
| 1952 | COLUMBIA RIVER VALLEY, WA | Meteorological | 19.8 m | - | 96 km |
| 1949 | COLUMBIA RIVER VALLEY, WA | Meteorological | 19.8 m | - | 127 km |
| 2024 | COLUMBIA RIVER VALLEY, WA | Meteorological | 14.3 m | - | 97 km |
| 1944 | COLUMBIA RIVER VALLEY, WA | Meteorological | 9.1 m | - | 96 km |
| 2009 | COLUMBIA RIVER VALLEY, WA | Meteorological | 9.0 m | - | 145 km |
| 1953 | COLUMBIA RIVER VALLEY, WA | Meteorological | 4.8 m | - | 96 km |
| 2009 | COLUMBIA RIVER VALLEY, WA | Meteorological | 3.6 m | - | 131 km |
| 1953 | COLUMBIA RIVER VALLEY, WA | Meteorological | - | - | 96 km |
| 1952 | COLUMBIA RIVER VALLEY, WA | Meteorological | - | - | 96 km |
Source: NOAA/NCEI Historical Tsunami Database. Sorted by wave height.
Nearby Volcanoes
2 volcanoes within 200 km. Closest: Glacier Peak (140 km).
| Name | Type | Elevation | Last Eruption | Distance |
| Glacier Peak | Stratovolcano | 3,213 m (10,541 ft) | 1700 | 140 km |
| Baker | Stratovolcano(es) | 3,285 m (10,778 ft) | 1880 | 174 km |
Source: Smithsonian Institution Global Volcanism Program (GVP). Sorted by distance.
Monthly Weather
| Month | Avg Temperature | Precipitation | Summary |
|---|---|---|---|
| January | 29°F (-2°C) | 1.7 in | Coldest |
| February | 34°F (1°C) | 1.4 in | |
| March | 43°F (6°C) | 1.4 in | |
| April | 51°F (10°C) | 1.2 in | |
| May | 59°F (15°C) | 2.1 in | |
| June | 65°F (18°C) | 2.2 in | Wettest |
| July | 72°F (22°C) | 0.8 in | Warmest |
| August | 71°F (21°C) | 0.6 in | Driest |
| September | 61°F (16°C) | 0.7 in | |
| October | 49°F (9°C) | 1.2 in | |
| November | 36°F (2°C) | 1.9 in | |
| December | 29°F (-2°C) | 2.2 in |
Tonasket has a seasonal temperature swing of 43°F / from 29°F in January to 72°F in July. Total annual precipitation is 17.5 inches, with June being the wettest month (2.2") and August the driest (0.6").