South Pasadena, CA
Full City Profile · California · Los Angeles County County
2.9
/5.0
C+
Fair
26,297
Population
7,712/sq mi density
$128,105
Median Income
$76,583 per capita
$1,545,100
Home Value
$1,693,233 Zillow
$2,218
Median Rent
26.2% income on rent
66°F
Avg Temperature
210
Violent Crime/100K
2,533 property/100K
C+
Overall
2.9 / 5.0
Fair overall score based on economy, affordability, safety and education
A+
Economy
4.6 / 5.0
$128,105 median income, 4.8% unemployment
F
Affordability
1.0 / 5.0
$1,545,100 home value, $2,218/mo rent
F
Safety
1.0 / 5.0
210 violent crimes/100K
A+
Education
5.0 / 5.0
72.7% bachelor's degree or higher
South Pasadena enjoys a temperate climate with an average annual temperature of 66°F (19°C). Winters average 58°F in January while summers reach 73°F in July. Annual precipitation totals 14.2 inches. The area receives 0.0 inches of snow annually. Air quality is rated Moderate with a median AQI of 80.
Temperature
58°F Jan (15°C)
73°F Jul (23°C)
| Annual Average | 65.8°F |
| 22% above US avg | |
| January Average | 58°F (15°C) |
| July Average | 73°F (23°C) |
Geography
| Elevation | 628 ft (191 m) |
| Area | 3.4 sq mi (8.9 km²) |
| Population Density | 7,712/sq mi |
| Coordinates | 34.1090°N, 118.1566°W |
| Timezone | America/Los_Angeles |
| County | Los Angeles County County |
| Nearest Airport | Bob Hope (BUR) 13 miles away |
Precipitation & Snow
Air Quality
| AQI Median | 80.0 |
| Rating | Moderate |
| Good Days % | 10.4% |
| Unhealthy Days | 133 |
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 | 46 km |
| 1994 | WEST COAST, USA | Earthquake | 0.1 m | 57 | 37 km |
| 1855 | S. CALIFORNIA | Eruption + Earthquake | - | - | 5 km |
Source: NOAA/NCEI Historical Tsunami Database. Sorted by wave height.
Monthly Weather
| Month | Avg Temperature | Precipitation | Summary |
|---|---|---|---|
| January | 58°F (15°C) | 3.3 in | |
| February | 59°F (15°C) | 3.6 in | Wettest |
| March | 61°F (16°C) | 2.2 in | |
| April | 64°F (18°C) | 0.7 in | |
| May | 66°F (19°C) | 0.3 in | |
| June | 69°F (21°C) | 0.1 in | |
| July | 73°F (23°C) | 0.0 in | |
| August | 75°F (24°C) | 0.0 in | Warmest, Driest |
| September | 74°F (23°C) | 0.1 in | |
| October | 69°F (21°C) | 0.6 in | |
| November | 63°F (17°C) | 0.8 in | |
| December | 58°F (14°C) | 2.5 in | Coldest |
South Pasadena has a seasonal temperature swing of 17°F / from 58°F in December to 75°F in August. Total annual precipitation is 14.3 inches, with February being the wettest month (3.6") and August the driest (0.0").