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Alta Sierra CDP (Kern County), CA
Full City Profile · California · Kern County County
3.0
/5.0
B
Good
13
Population
13/sq mi density
54°F
Avg Temperature
330 sunny days/yr
209
Violent Crime/100K
1,360 property/100K
B
Overall
3.0 / 5.0
Good overall score based on economy, affordability, safety and education
F
Safety
1.0 / 5.0
209 violent crimes/100K
A+
Education
5.0 / 5.0
100.0% bachelor's degree or higher
Alta Sierra CDP (Kern County) experiences four distinct seasons with an average annual temperature of 54°F (12°C). Winters average 42°F in January while summers reach 71°F in July. The area gets 330 sunny days per year. Annual precipitation totals 19.4 inches. The area receives 6.2 inches of snow annually. Air quality is rated Good with a median AQI of 48.
Temperature
42°F Jan (6°C)
71°F Jul (22°C)
| Annual Average | 54.2°F |
| 0% below US avg | |
| January Average | 42°F (6°C) |
| July Average | 71°F (22°C) |
| Sunny Days | 330 days/yr |
Geography
| Elevation | 5,672 ft (1,729 m) |
| Area | 1.0 sq mi (2.6 km²) |
| Population Density | 13/sq mi |
| Coordinates | 35.7258°N, 118.5452°W |
| Timezone | America/Los_Angeles |
| County | Kern County County |
| Nearest Airport | Fresno Yosemite International (FAT) 98 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 (73 km).
| Name | Type | Elevation | Last Eruption | Distance |
| Golden Trout Creek | Volcanic field | 2,886 m (9,469 ft) | -5550 | 73 km |
| Ubehebe Craters | Maar(s) | 752 m (2,467 ft) | -150 | 174 km |
Source: Smithsonian Institution Global Volcanism Program (GVP). Sorted by distance.
Monthly Weather
| Month | Avg Temperature | Precipitation | Summary |
|---|---|---|---|
| January | 42°F (6°C) | 4.3 in | Wettest |
| February | 39°F (4°C) | 3.8 in | |
| March | 41°F (5°C) | 3.9 in | |
| April | 45°F (7°C) | 2.3 in | |
| May | 51°F (11°C) | 0.7 in | |
| June | 59°F (15°C) | 0.3 in | |
| July | 71°F (22°C) | 0.1 in | Warmest, Driest |
| August | 67°F (19°C) | 0.3 in | |
| September | 62°F (17°C) | 0.6 in | |
| October | 54°F (12°C) | 0.9 in | |
| November | 45°F (7°C) | 3.1 in | |
| December | 39°F (4°C) | 3.8 in | Coldest |
Alta Sierra CDP (Kern County) has a seasonal temperature swing of 32°F / from 39°F in December to 71°F in July. Total annual precipitation is 24.1 inches, with January being the wettest month (4.3") and July the driest (0.1").