Dayville, OR
Full City Profile · Oregon · Grant County County
3.1
/5.0
B
Good
189
Population
357/sq mi density
$51,667
Median Income
$33,713 per capita
$218,500
Home Value
$329,948 Zillow
$1,047
Median Rent
37.5% income on rent
53°F
Avg Temperature
B
Overall
3.1 / 5.0
Good overall score based on economy, affordability, safety and education
C+
Economy
2.7 / 5.0
$51,667 median income, 9.9% unemployment
A
Affordability
4.3 / 5.0
$218,500 home value, $1,047/mo rent
C
Education
2.4 / 5.0
17.6% bachelor's degree or higher
Dayville experiences four distinct seasons with an average annual temperature of 53°F (12°C). Winters average 37°F in January while summers reach 73°F in July. Annual precipitation totals 9.8 inches. The area receives 33.1 inches of snow annually. Air quality is rated Good with a median AQI of 49.
Temperature
37°F Jan (3°C)
73°F Jul (23°C)
| Annual Average | 52.7°F |
| 2% below US avg | |
| January Average | 37°F (3°C) |
| July Average | 73°F (23°C) |
Geography
| Elevation | 2,347 ft (715 m) |
| Area | 0.5 sq mi (1.4 km²) |
| Population Density | 357/sq mi |
| Coordinates | 44.4668°N, 119.5322°W |
| Timezone | America/Los_Angeles |
| County | Grant County County |
| Nearest Airport | Grant County Regional/Ogilvie Field (JDA) 28 miles away |
Precipitation & Snow
Air Quality
| AQI Median | 49.0 |
| Rating | Good |
| Good Days % | 51.6% |
| Unhealthy Days | 19 |
Natural Hazard Risk
| Overall Risk | Very Low |
| Risk Score | 32.1 / 100 |
| Social Vulnerability | 80.0 / 100 |
| Community Resilience | 30.3 / 100 |
Hazard Breakdown
| Tornado | Very Low |
| Earthquake | Very Low |
| Wildfire | Relatively Moderate |
| Flood | Relatively Low |
| Hail | Very Low |
| Strong Wind | Very Low |
| Heat Wave | Very Low |
| Winter Weather | Relatively Low |
| Lightning | Relatively Moderate |
| Ice Storm | Very Low |
| Drought | Very Low |
| Cold Wave | Very Low |
| Landslide | Relatively Low |
| Volcano | Very Low |
| Avalanche | Relatively Low |
Source: FEMA National Risk Index v1.20 (Dec 2025)
Nearby Volcanoes
9 volcanoes within 200 km. Closest: Devils Garden (150 km).
| Name | Type | Elevation | Last Eruption | Distance |
| Devils Garden | Volcanic field | 1,698 m (5,571 ft) | Unknown | 150 km |
| Newberry | Shield | 2,434 m (7,986 ft) | 690 | 159 km |
| Diamond Craters | Volcanic field | 1,435 m (4,708 ft) | -5610 | 164 km |
| Bachelor | Stratovolcano | 2,763 m (9,065 ft) | -5800 | 180 km |
| Jefferson | Stratovolcano | 3,199 m (10,495 ft) | 950 | 181 km |
| Three Sisters | Complex | 3,159 m (10,364 ft) | 440 | 182 km |
| Belknap | Shield(s) | 2,095 m (6,873 ft) | 480 | 185 km |
| Sand Mountain Field | Pyroclastic cone(s) | 1,664 m (5,459 ft) | -950 | 191 km |
| Hood | Stratovolcano | 3,426 m (11,240 ft) | 1866 | 198 km |
Source: Smithsonian Institution Global Volcanism Program (GVP). Sorted by distance.
Monthly Weather
| Month | Avg Temperature | Precipitation | Summary |
|---|---|---|---|
| January | 37°F (3°C) | 1.0 in | |
| February | 39°F (4°C) | 0.6 in | |
| March | 45°F (7°C) | 0.9 in | |
| April | 50°F (10°C) | 1.1 in | |
| May | 58°F (14°C) | 1.4 in | Wettest |
| June | 65°F (18°C) | 0.9 in | |
| July | 73°F (23°C) | 0.5 in | Warmest |
| August | 72°F (22°C) | 0.4 in | |
| September | 64°F (18°C) | 0.3 in | Driest |
| October | 53°F (11°C) | 0.8 in | |
| November | 42°F (5°C) | 1.0 in | |
| December | 36°F (2°C) | 1.0 in | Coldest |
Dayville has a seasonal temperature swing of 38°F / from 36°F in December to 73°F in July. Total annual precipitation is 9.8 inches, with May being the wettest month (1.4") and September the driest (0.3").