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Harper, OR
Full City Profile · Oregon · Malheur County County
2.8
/5.0
C+
Fair
159
Population
23/sq mi density
$50,000
Median Income
$28,200 per capita
$173,400
Home Value
$329,399 Zillow
50°F
Avg Temperature
310 sunny days/yr
590
Violent Crime/100K
5,788 property/100K
C+
Overall
2.8 / 5.0
Fair overall score based on economy, affordability, safety and education
A
Economy
4.0 / 5.0
$50,000 median income, 0.0% unemployment
A+
Affordability
4.7 / 5.0
$173,400 home value, /mo rent
F
Safety
1.0 / 5.0
590 violent crimes/100K (55% above avg)
F
Education
1.5 / 5.0
5.9% bachelor's degree or higher
Harper experiences four distinct seasons with an average annual temperature of 50°F (10°C). Winters average 30°F in January while summers reach 75°F in July. The area gets 310 sunny days per year. Annual precipitation totals 10.0 inches. Air quality is rated Good with a median AQI of 32.
Temperature
30°F Jan (-1°C)
75°F Jul (24°C)
| Annual Average | 50.4°F |
| 7% below US avg | |
| January Average | 30°F (-1°C) |
| July Average | 75°F (24°C) |
| Sunny Days | 310 days/yr |
Geography
| Elevation | 2,564 ft (782 m) |
| Area | 2.7 sq mi (7.0 km²) |
| Population Density | 23/sq mi |
| Coordinates | 43.8570°N, 117.6265°W |
| Timezone | America/Los_Angeles |
| County | Malheur County County |
| Nearest Airport | Boise Air Trml/Gowen Field (BOI) 73 miles away |
Precipitation & Snow
Air Quality
| AQI Median | 32.0 |
| Rating | Good |
Natural Hazard Risk
| Overall Risk | Very Low |
| Risk Score | 34.8 / 100 |
| Social Vulnerability | 42.2 / 100 |
| Community Resilience | 2.9 / 100 |
Hazard Breakdown
| Tornado | Very Low |
| Earthquake | Relatively Low |
| Wildfire | Relatively Moderate |
| Flood | Relatively Low |
| Hail | Relatively Low |
| Strong Wind | Very Low |
| Heat Wave | Relatively Low |
| Winter Weather | Relatively Moderate |
| Lightning | Relatively Low |
| 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
2 volcanoes within 200 km. Closest: Jordan Craters (80 km).
| Name | Type | Elevation | Last Eruption | Distance |
| Jordan Craters | Volcanic field | 1,473 m (4,833 ft) | -1250 | 80 km |
| Diamond Craters | Volcanic field | 1,435 m (4,708 ft) | -5610 | 124 km |
Source: Smithsonian Institution Global Volcanism Program (GVP). Sorted by distance.
Monthly Weather
| Month | Avg Temperature | Precipitation | Summary |
|---|---|---|---|
| January | 30°F (-1°C) | 1.2 in | |
| February | 34°F (1°C) | 0.9 in | |
| March | 42°F (5°C) | 0.9 in | |
| April | 48°F (9°C) | 0.8 in | |
| May | 57°F (14°C) | 1.0 in | |
| June | 65°F (18°C) | 0.9 in | |
| July | 75°F (24°C) | 0.4 in | Warmest, Driest |
| August | 72°F (22°C) | 0.6 in | |
| September | 62°F (17°C) | 0.5 in | |
| October | 51°F (10°C) | 0.7 in | |
| November | 38°F (3°C) | 1.2 in | |
| December | 29°F (-2°C) | 1.3 in | Coldest, Wettest |
Harper has a seasonal temperature swing of 46°F / from 29°F in December to 75°F in July. Total annual precipitation is 10.4 inches, with December being the wettest month (1.3") and July the driest (0.4").