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Onyx, CA
Full City Profile · California · Kern County County
2.4
/5.0
C
Fair
574
Population
50/sq mi density
$27,462
Median Income
$18,088 per capita
$174,300
Home Value
$239,227 Zillow
61°F
Avg Temperature
318 sunny days/yr
409
Violent Crime/100K
1,630 property/100K
C
Overall
2.4 / 5.0
Fair overall score based on economy, affordability, safety and education
C+
Economy
2.8 / 5.0
$27,462 median income, 7.3% unemployment
B
Affordability
3.1 / 5.0
$174,300 home value, /mo rent
F
Safety
1.0 / 5.0
409 violent crimes/100K (8% above avg)
C+
Education
2.5 / 5.0
19.0% bachelor's degree or higher
Onyx enjoys a temperate climate with an average annual temperature of 61°F (16°C). Winters average 45°F in January while summers reach 82°F in July. The area gets 318 sunny days per year. Air quality is rated Good with a median AQI of 48.
Temperature
45°F Jan (7°C)
82°F Jul (28°C)
| Annual Average | 61.2°F |
| 13% above US avg | |
| January Average | 45°F (7°C) |
| July Average | 82°F (28°C) |
| Sunny Days | 318 days/yr |
Geography
| Elevation | 3,685 ft (1,123 m) |
| Area | 11.5 sq mi (29.9 km²) |
| Population Density | 50/sq mi |
| Coordinates | 35.6702°N, 118.2272°W |
| Timezone | America/Los_Angeles |
| County | Kern County County |
| Nearest Airport | Bob Hope (BUR) 102 miles away |
Precipitation & Snow
Air Quality
| AQI Median | 48.0 |
| Rating | Good |
Air Pollutants (EPA 2023)
| Ozone (O₃) | 0.0483 ppm |
| NO₂ (Nitrogen Dioxide) | 15.9 ppb |
| CO (Carbon Monoxide) | 0.25 ppm |
| PM2.5 (Fine Particles) | 8.9 μg/m³ |
Natural Hazard Risk
| Overall Risk | Relatively High |
| Risk Score | 98.9 / 100 |
| Social Vulnerability | 61.1 / 100 |
| Community Resilience | 6.5 / 100 |
Hazard Breakdown
| Tornado | Very Low |
| Earthquake | Relatively High |
| Wildfire | Relatively High |
| Flood | Relatively High |
| Hail | Relatively Low |
| Strong Wind | Relatively Low |
| Heat Wave | Relatively High |
| Winter Weather | Relatively Moderate |
| Lightning | Relatively High |
| Drought | Relatively High |
| Cold Wave | Very Low |
| Landslide | Relatively High |
| Volcano | Very Low |
| Avalanche | Very Low |
Source: FEMA National Risk Index v1.20 (Dec 2025)
Nearby Volcanoes
2 volcanoes within 200 km. Closest: Golden Trout Creek (77 km).
| Name | Type | Elevation | Last Eruption | Distance |
| Golden Trout Creek | Volcanic field | 2,886 m (9,469 ft) | -5550 | 77 km |
| Ubehebe Craters | Maar(s) | 752 m (2,467 ft) | -150 | 165 km |
Source: Smithsonian Institution Global Volcanism Program (GVP). Sorted by distance.
Monthly Weather
| Month | Avg Temperature | Precipitation | Summary |
|---|---|---|---|
| January | 45°F (7°C) | 2.9 in | Wettest |
| February | 41°F (5°C) | 2.7 in | |
| March | 44°F (7°C) | 2.4 in | |
| April | 49°F (10°C) | 1.2 in | |
| May | 57°F (14°C) | 0.4 in | |
| June | 65°F (19°C) | 0.2 in | |
| July | 82°F (28°C) | 0.2 in | Warmest, Driest |
| August | 72°F (22°C) | 0.4 in | |
| September | 66°F (19°C) | 0.6 in | |
| October | 57°F (14°C) | 0.6 in | |
| November | 46°F (8°C) | 2.1 in | |
| December | 40°F (4°C) | 2.5 in | Coldest |
Onyx has a seasonal temperature swing of 42°F / from 40°F in December to 82°F in July. Total annual precipitation is 16.0 inches, with January being the wettest month (2.9") and July the driest (0.2").