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Moses Lake, WA
Full City Profile · Washington · Grant County County
3.0
/5.0
B
Good
25,594
Population
1,411/sq mi density
$71,854
Median Income
$34,591 per capita
$278,100
Home Value
$362,086 Zillow
$1,203
Median Rent
31.1% income on rent
51°F
Avg Temperature
279 sunny days/yr
459
Violent Crime/100K
6,747 property/100K
B
Overall
3.0 / 5.0
Good overall score based on economy, affordability, safety and education
B+
Economy
3.8 / 5.0
$71,854 median income, 4.0% unemployment
A+
Affordability
4.5 / 5.0
$278,100 home value, $1,203/mo rent
F
Safety
1.0 / 5.0
459 violent crimes/100K (21% above avg)
C+
Education
2.7 / 5.0
21.7% bachelor's degree or higher
Moses Lake experiences four distinct seasons with an average annual temperature of 51°F (11°C). Winters average 30°F in January while summers reach 73°F in July. The area gets 279 sunny days per year. Annual precipitation totals 7.8 inches. Air quality is rated Good with a median AQI of 28.
Temperature
30°F Jan (-1°C)
73°F Jul (23°C)
| Annual Average | 50.9°F |
| 6% below US avg | |
| January Average | 30°F (-1°C) |
| July Average | 73°F (23°C) |
| Sunny Days | 279 days/yr |
Geography
| Elevation | 1,060 ft (323 m) |
| Area | 8.1 sq mi (20.8 km²) |
| Population Density | 1,411/sq mi |
| Coordinates | 47.1279°N, 119.2764°W |
| Timezone | America/Los_Angeles |
| County | Grant County County |
| Nearest Airport | Grant County International (MWH) 6 miles away |
Precipitation & Snow
Air Quality
| AQI Median | 28.0 |
| Rating | Good |
Natural Hazard Risk
| Overall Risk | Relatively Low |
| Risk Score | 76.9 / 100 |
| Social Vulnerability | 64.9 / 100 |
| Community Resilience | 7.8 / 100 |
Hazard Breakdown
| Tornado | Very Low |
| Earthquake | Relatively Low |
| Wildfire | Relatively Moderate |
| Flood | Relatively Moderate |
| Hail | Relatively Low |
| Strong Wind | Relatively Low |
| Heat Wave | Relatively Moderate |
| Winter Weather | Relatively Moderate |
| Lightning | Relatively Low |
| Ice Storm | Very Low |
| Drought | Relatively Low |
| Cold Wave | Relatively High |
| Landslide | Relatively Low |
| Volcano | Very Low |
| Avalanche | Very Low |
Source: FEMA National Risk Index v1.20 (Dec 2025)
Tsunami History
3 tsunamis recorded within 500 km. Highest wave on record: 19.8 m (65 ft).
| Year | Location | Cause | Max Wave | Deaths | Distance |
| 1949 | COLUMBIA RIVER VALLEY, WA | Meteorological | 19.8 m | — | 103 km |
| 2009 | COLUMBIA RIVER VALLEY, WA | Meteorological | 9.0 m | — | 120 km |
| 2009 | COLUMBIA RIVER VALLEY, WA | Meteorological | 3.6 m | — | 120 km |
Source: NOAA/NCEI Historical Tsunami Database. Sorted by wave height.
Nearby Volcanoes
3 volcanoes within 200 km. Closest: Glacier Peak (176 km).
| Name | Type | Elevation | Last Eruption | Distance |
| Glacier Peak | Stratovolcano | 3,213 m (10,541 ft) | 1700 | 176 km |
| Rainier | Stratovolcano | 4,392 m (14,409 ft) | 1450 | 191 km |
| Adams | Stratovolcano | 3,742 m (12,277 ft) | 950 | 198 km |
Source: Smithsonian Institution Global Volcanism Program (GVP). Sorted by distance.
Monthly Weather
| Month | Avg Temperature | Precipitation | Summary |
|---|---|---|---|
| January | 30°F (-1°C) | 0.9 in | |
| February | 36°F (2°C) | 0.7 in | |
| March | 44°F (7°C) | 0.7 in | |
| April | 51°F (10°C) | 0.6 in | |
| May | 59°F (15°C) | 0.6 in | |
| June | 65°F (19°C) | 0.5 in | |
| July | 73°F (23°C) | 0.2 in | Warmest, Driest |
| August | 71°F (22°C) | 0.3 in | |
| September | 62°F (17°C) | 0.3 in | |
| October | 51°F (10°C) | 0.5 in | |
| November | 39°F (4°C) | 1.1 in | |
| December | 30°F (-1°C) | 1.3 in | Coldest, Wettest |
Moses Lake has a seasonal temperature swing of 44°F / from 30°F in December to 73°F in July. Total annual precipitation is 7.5 inches, with December being the wettest month (1.3") and July the driest (0.2").