All Countries
West Whittier-Los Nietos, CA
Full City Profile · California · Los Angeles County County
2.9
/5.0
C+
Fair
25,459
Population
10,103/sq mi density
$101,138
Median Income
$30,896 per capita
$607,100
Home Value
$742,867 Zillow
$1,939
Median Rent
32.6% income on rent
65°F
Avg Temperature
330 sunny days/yr
430
Violent Crime/100K
2,126 property/100K
C+
Overall
2.9 / 5.0
Fair overall score based on economy, affordability, safety and education
A+
Economy
4.9 / 5.0
$101,138 median income, 2.3% unemployment
B
Affordability
3.3 / 5.0
$607,100 home value, $1,939/mo rent
F
Safety
1.0 / 5.0
430 violent crimes/100K (13% above avg)
C
Education
2.3 / 5.0
16.0% bachelor's degree or higher
West Whittier-Los Nietos enjoys a temperate climate with an average annual temperature of 65°F (18°C). Winters average 57°F in January while summers reach 73°F in July. The area gets 330 sunny days per year. Annual precipitation totals 12.0 inches. Air quality is rated Good with a median AQI of 48.
Temperature
57°F Jan (14°C)
73°F Jul (23°C)
| Annual Average | 64.9°F |
| 20% above US avg | |
| January Average | 57°F (14°C) |
| July Average | 73°F (23°C) |
| Sunny Days | 330 days/yr |
Geography
| Elevation | 159 ft (48 m) |
| Area | 2.5 sq mi (6.5 km²) |
| Population Density | 10,103/sq mi |
| Coordinates | 33.9760°N, 118.0689°W |
| Timezone | America/Los_Angeles |
| County | Los Angeles County County |
| Nearest Airport | Los Angeles International (LAX) 20 miles away |
Precipitation & Snow
Air Quality
| AQI Median | 48.0 |
| Rating | Good |
Air Pollutants (EPA 2023)
| Ozone (O₃) | 0.0482 ppm |
| NO₂ (Nitrogen Dioxide) | 17.4 ppb |
| SO₂ (Sulfur Dioxide) | 0.32 ppb |
| CO (Carbon Monoxide) | 0.32 ppm |
| PM2.5 (Fine Particles) | 10.0 μg/m³ |
Natural Hazard Risk
| Overall Risk | Very High |
| Risk Score | 100.0 / 100 |
| Social Vulnerability | 55.4 / 100 |
| Community Resilience | 13.6 / 100 |
Hazard Breakdown
| Tornado | Relatively High |
| Hurricane | No Rating |
| Earthquake | Very High |
| Wildfire | Very High |
| Flood | Very High |
| Hail | Relatively Moderate |
| Strong Wind | Relatively Moderate |
| Heat Wave | Relatively High |
| Winter Weather | Relatively Moderate |
| Lightning | Very High |
| Drought | Relatively Low |
| Cold Wave | Very Low |
| Landslide | Relatively High |
| Coastal Flood | Relatively High |
| Tsunami | Relatively Low |
| Avalanche | Relatively High |
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 | 53 km |
| 1994 | WEST COAST, USA | Earthquake | 0.1 m | 57 | 51 km |
| 1855 | S. CALIFORNIA | Eruption + Earthquake | — | — | 14 km |
Source: NOAA/NCEI Historical Tsunami Database. Sorted by wave height.
Monthly Weather
| Month | Avg Temperature | Precipitation | Summary |
|---|---|---|---|
| January | 57°F (14°C) | 3.2 in | |
| February | 59°F (15°C) | 3.3 in | Wettest |
| March | 60°F (16°C) | 2.8 in | |
| April | 63°F (17°C) | 0.8 in | |
| May | 66°F (19°C) | 0.2 in | |
| June | 70°F (21°C) | 0.1 in | |
| July | 73°F (23°C) | 0.0 in | Driest |
| August | 75°F (24°C) | 0.1 in | Warmest |
| September | 73°F (23°C) | 0.3 in | |
| October | 69°F (20°C) | 0.4 in | |
| November | 62°F (17°C) | 1.4 in | |
| December | 57°F (14°C) | 2.0 in | Coldest |
West Whittier-Los Nietos has a seasonal temperature swing of 18°F / from 57°F in December to 75°F in August. Total annual precipitation is 14.6 inches, with February being the wettest month (3.3") and July the driest (0.0").