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Dayville, OR
Full City Profile · Oregon · Grant County County
2.8
/5.0
C+
Fair
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
47°F
Avg Temperature
258 sunny days/yr
59
Violent Crime/100K
2,239 property/100K
C+
Overall
2.8 / 5.0
Fair overall score based on economy, affordability, safety and education
B
Economy
3.4 / 5.0
$51,667 median income, 5.7% unemployment
A
Affordability
4.3 / 5.0
$218,500 home value, $1,047/mo rent
F
Safety
1.0 / 5.0
59 violent crimes/100K
C
Education
2.4 / 5.0
17.6% bachelor's degree or higher
Dayville experiences four distinct seasons with an average annual temperature of 47°F (8°C). Winters average 31°F in January while summers reach 67°F in July. The area gets 258 sunny days per year. Air quality is rated Good with a median AQI of 32.
Temperature
31°F Jan (-0°C)
67°F Jul (19°C)
| Annual Average | 46.6°F |
| 14% below US avg | |
| January Average | 31°F (-0°C) |
| July Average | 67°F (19°C) |
| Sunny Days | 258 days/yr |
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 | 32.0 |
| Rating | Good |
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 | 31°F (-0°C) | 1.5 in | |
| February | 33°F (1°C) | 1.0 in | |
| March | 38°F (3°C) | 1.2 in | |
| April | 43°F (6°C) | 1.1 in | |
| May | 50°F (10°C) | 1.5 in | |
| June | 57°F (14°C) | 1.2 in | |
| July | 67°F (19°C) | 0.6 in | Warmest, Driest |
| August | 65°F (18°C) | 0.8 in | |
| September | 57°F (14°C) | 0.7 in | |
| October | 48°F (9°C) | 1.0 in | |
| November | 37°F (3°C) | 1.7 in | Wettest |
| December | 31°F (-1°C) | 1.6 in | Coldest |
Dayville has a seasonal temperature swing of 36°F / from 31°F in December to 67°F in July. Total annual precipitation is 13.7 inches, with November being the wettest month (1.7") and July the driest (0.6").