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O'Brien, OR
Full City Profile · Oregon · Josephine County County
2.5
/5.0
C+
Fair
528
Population
101/sq mi density
$29,141
Median Income
$20,906 per capita
$145,900
Home Value
$287,341 Zillow
55°F
Avg Temperature
257 sunny days/yr
94
Violent Crime/100K
940 property/100K
C+
Overall
2.5 / 5.0
Fair overall score based on economy, affordability, safety and education
B+
Economy
3.6 / 5.0
$29,141 median income, 0.0% unemployment
B+
Affordability
3.9 / 5.0
$145,900 home value, /mo rent
F
Safety
1.0 / 5.0
94 violent crimes/100K
F
Education
1.4 / 5.0
5.1% bachelor's degree or higher
O'Brien experiences four distinct seasons with an average annual temperature of 55°F (13°C). Winters average 41°F in January while summers reach 73°F in July. The area gets 257 sunny days per year. Annual precipitation totals 61.2 inches. The area receives 7.1 inches of snow annually. Air quality is rated Good with a median AQI of 32.
Temperature
41°F Jan (5°C)
73°F Jul (23°C)
| Annual Average | 54.9°F |
| 2% above US avg | |
| January Average | 41°F (5°C) |
| July Average | 73°F (23°C) |
| Sunny Days | 257 days/yr |
Geography
| Elevation | 1,475 ft (450 m) |
| Area | 5.2 sq mi (13.5 km²) |
| Population Density | 101/sq mi |
| Coordinates | 42.0799°N, 123.7046°W |
| Timezone | America/Los_Angeles |
| County | Josephine County County |
| Nearest Airport | Rogue Valley International - Medford (MFR) 47 miles away |
Precipitation & Snow
Air Quality
| AQI Median | 32.0 |
| Rating | Good |
Air Pollutants (EPA 2023)
| PM2.5 (Fine Particles) | 10.5 μg/m³ |
Natural Hazard Risk
| Overall Risk | Relatively Moderate |
| Risk Score | 90.2 / 100 |
| Social Vulnerability | 66.4 / 100 |
| Community Resilience | 49.8 / 100 |
Hazard Breakdown
| Tornado | Very Low |
| Earthquake | Relatively Moderate |
| Wildfire | Relatively High |
| Flood | Relatively Moderate |
| Hail | Very Low |
| Strong Wind | Very Low |
| Heat Wave | Relatively Moderate |
| 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 | Very Low |
Source: FEMA National Risk Index v1.20 (Dec 2025)
Tsunami History
1 tsunami recorded within 500 km. Highest wave on record: 3.1 m (10 ft).
| Year | Location | Cause | Max Wave | Deaths | Distance |
| 1873 | N. CALIFORNIA | Eruption + Earthquake | 3.1 m | — | 26 km |
Source: NOAA/NCEI Historical Tsunami Database. Sorted by wave height.
Nearby Volcanoes
4 volcanoes within 200 km. Closest: Shasta (146 km).
| Name | Type | Elevation | Last Eruption | Distance |
| Shasta | Stratovolcano | 4,317 m (14,163 ft) | 1250 | 146 km |
| Crater Lake | Caldera | 2,487 m (8,159 ft) | -2850 | 161 km |
| Cinnamon Butte | Pyroclastic cone(s) | 1,956 m (6,417 ft) | Unknown | 184 km |
| Medicine Lake | Shield | 2,412 m (7,913 ft) | 1060 | 186 km |
Source: Smithsonian Institution Global Volcanism Program (GVP). Sorted by distance.
Monthly Weather
| Month | Avg Temperature | Precipitation | Summary |
|---|---|---|---|
| January | 41°F (5°C) | 11.1 in | |
| February | 43°F (6°C) | 8.7 in | |
| March | 45°F (7°C) | 8.3 in | |
| April | 47°F (9°C) | 4.4 in | |
| May | 53°F (12°C) | 2.4 in | |
| June | 59°F (15°C) | 1.0 in | |
| July | 73°F (23°C) | 0.4 in | Warmest, Driest |
| August | 66°F (19°C) | 0.9 in | |
| September | 62°F (16°C) | 1.5 in | |
| October | 53°F (12°C) | 4.5 in | |
| November | 45°F (7°C) | 10.7 in | |
| December | 40°F (4°C) | 12.1 in | Coldest, Wettest |
O'Brien has a seasonal temperature swing of 33°F / from 40°F in December to 73°F in July. Total annual precipitation is 65.9 inches, with December being the wettest month (12.1") and July the driest (0.4").