All Countries
Crestline, CA
Full City Profile · California · Orange County County
3.1
/5.0
B
Good
10,431
Population
750/sq mi density
$79,378
Median Income
$37,029 per capita
$363,500
Home Value
$358,910 Zillow
$1,488
Median Rent
29.8% income on rent
51°F
Avg Temperature
320 sunny days/yr
992
Violent Crime/100K
4,305 property/100K
B
Overall
3.1 / 5.0
Good overall score based on economy, affordability, safety and education
A
Economy
4.2 / 5.0
$79,378 median income, 2.9% unemployment
A
Affordability
4.1 / 5.0
$363,500 home value, $1,488/mo rent
F
Safety
1.0 / 5.0
992 violent crimes/100K (161% above avg)
B
Education
3.2 / 5.0
27.9% bachelor's degree or higher
Crestline experiences four distinct seasons with an average annual temperature of 51°F (11°C). Winters average 37°F in January while summers reach 69°F in July. The area gets 320 sunny days per year. Annual precipitation totals 37.7 inches. The area receives 22.4 inches of snow annually. Air quality is rated Good with a median AQI of 48.
Temperature
37°F Jan (3°C)
69°F Jul (21°C)
| Annual Average | 51.1°F |
| 5% below US avg | |
| January Average | 37°F (3°C) |
| July Average | 69°F (21°C) |
| Sunny Days | 320 days/yr |
Geography
| Elevation | 4,499 ft (1,371 m) |
| Area | 14.0 sq mi (36.2 km²) |
| Population Density | 750/sq mi |
| Coordinates | 34.2541°N, 117.2867°W |
| Timezone | America/Los_Angeles |
| County | Orange County County |
| Nearest Airport | San Bernardino International (SBD) 11 miles away |
Precipitation & Snow
Air Quality
| AQI Median | 48.0 |
| Rating | Good |
Air Pollutants (EPA 2023)
| Ozone (O₃) | 0.0440 ppm |
| NO₂ (Nitrogen Dioxide) | 18.4 ppb |
| CO (Carbon Monoxide) | 0.35 ppm |
| PM2.5 (Fine Particles) | 9.7 μg/m³ |
Natural Hazard Risk
| Overall Risk | Very High |
| Risk Score | 99.8 / 100 |
| Social Vulnerability | 24.9 / 100 |
| Community Resilience | 16.3 / 100 |
Hazard Breakdown
| Tornado | Relatively Moderate |
| Hurricane | No Rating |
| Earthquake | Very High |
| Wildfire | Relatively High |
| Flood | Very High |
| Hail | Relatively Moderate |
| Strong Wind | Relatively Moderate |
| Heat Wave | Relatively High |
| Winter Weather | Very Low |
| Lightning | Relatively Moderate |
| Drought | Relatively Low |
| Cold Wave | No Rating |
| Landslide | Relatively High |
| Coastal Flood | Relatively High |
| Tsunami | Relatively Low |
| Avalanche | Very Low |
Source: FEMA National Risk Index v1.20 (Dec 2025)
Tsunami History
3 tsunamis recorded within 500 km. Highest wave on record: 3.1 m (10 ft).
| Year | Location | Cause | Max Wave | Deaths | Distance |
| 1930 | S. CALIFORNIA | Eruption + Earthquake | 3.1 m | 1 | 127 km |
| 1994 | WEST COAST, USA | Earthquake | 0.1 m | 57 | 115 km |
| 1855 | S. CALIFORNIA | Eruption + Earthquake | — | — | 77 km |
Source: NOAA/NCEI Historical Tsunami Database. Sorted by wave height.
Nearby Volcanoes
1 volcano within 200 km. Closest: Salton Buttes (194 km).
| Name | Type | Elevation | Last Eruption | Distance |
| Salton Buttes | Lava dome(s) | -40 m (-131 ft) | 210 | 194 km |
Source: Smithsonian Institution Global Volcanism Program (GVP). Sorted by distance.
Monthly Weather
| Month | Avg Temperature | Precipitation | Summary |
|---|---|---|---|
| January | 37°F (3°C) | 4.2 in | Coldest, Wettest |
| February | 46°F (8°C) | 4.2 in | |
| March | 48°F (9°C) | 4.0 in | |
| April | 53°F (12°C) | 1.9 in | |
| May | 59°F (15°C) | 0.7 in | |
| June | 68°F (20°C) | 0.1 in | Driest |
| July | 69°F (21°C) | 0.2 in | |
| August | 74°F (23°C) | 0.4 in | Warmest |
| September | 69°F (21°C) | 0.7 in | |
| October | 60°F (16°C) | 0.8 in | |
| November | 52°F (11°C) | 2.7 in | |
| December | 45°F (7°C) | 3.3 in |
Crestline has a seasonal temperature swing of 38°F / from 37°F in January to 74°F in August. Total annual precipitation is 23.2 inches, with January being the wettest month (4.2") and June the driest (0.1").