All Countries
Ephrata, WA
Full City Profile · Washington · Grant County County
3.0
/5.0
B
Good
8,493
Population
810/sq mi density
$70,321
Median Income
$27,192 per capita
$240,000
Home Value
$318,194 Zillow
$993
Median Rent
26.4% income on rent
52°F
Avg Temperature
279 sunny days/yr
206
Violent Crime/100K
4,774 property/100K
B
Overall
3.0 / 5.0
Good overall score based on economy, affordability, safety and education
B+
Economy
3.8 / 5.0
$70,321 median income, 3.1% unemployment
A+
Affordability
4.8 / 5.0
$240,000 home value, $993/mo rent
F
Safety
1.0 / 5.0
206 violent crimes/100K
C
Education
2.2 / 5.0
15.5% bachelor's degree or higher
Ephrata experiences four distinct seasons with an average annual temperature of 52°F (11°C). Winters average 30°F in January while summers reach 75°F in July. The area gets 279 sunny days per year. Annual precipitation totals 7.6 inches. Air quality is rated Good with a median AQI of 28.
Temperature
30°F Jan (-1°C)
75°F Jul (24°C)
| Annual Average | 51.5°F |
| 5% below US avg | |
| January Average | 30°F (-1°C) |
| July Average | 75°F (24°C) |
| Sunny Days | 279 days/yr |
Geography
| Elevation | 1,315 ft (401 m) |
| Area | 4.0 sq mi (10.4 km²) |
| Population Density | 810/sq mi |
| Coordinates | 47.3123°N, 119.5343°W |
| Timezone | America/Los_Angeles |
| County | Grant County County |
| Nearest Airport | Grant County International (MWH) 12 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 | — | 105 km |
| 2009 | COLUMBIA RIVER VALLEY, WA | Meteorological | 9.0 m | — | 125 km |
| 2009 | COLUMBIA RIVER VALLEY, WA | Meteorological | 3.6 m | — | 122 km |
Source: NOAA/NCEI Historical Tsunami Database. Sorted by wave height.
Nearby Volcanoes
3 volcanoes within 200 km. Closest: Glacier Peak (148 km).
| Name | Type | Elevation | Last Eruption | Distance |
| Glacier Peak | Stratovolcano | 3,213 m (10,541 ft) | 1700 | 148 km |
| Rainier | Stratovolcano | 4,392 m (14,409 ft) | 1450 | 176 km |
| Adams | Stratovolcano | 3,742 m (12,277 ft) | 950 | 193 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 | 35°F (2°C) | 0.6 in | |
| March | 43°F (6°C) | 0.6 in | |
| April | 51°F (10°C) | 0.6 in | |
| May | 59°F (15°C) | 0.6 in | |
| June | 66°F (19°C) | 0.5 in | |
| July | 75°F (24°C) | 0.2 in | Warmest, Driest |
| August | 72°F (22°C) | 0.3 in | |
| September | 62°F (17°C) | 0.3 in | |
| October | 50°F (10°C) | 0.4 in | |
| November | 38°F (3°C) | 1.1 in | |
| December | 29°F (-2°C) | 1.4 in | Coldest, Wettest |
Ephrata has a seasonal temperature swing of 47°F / from 29°F in December to 75°F in July. Total annual precipitation is 7.4 inches, with December being the wettest month (1.4") and July the driest (0.2").