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Los Ranchos, CA
Full City Profile · California · San Luis Obispo County County
3.2
/5.0
B
Good
1,521
Population
526/sq mi density
$146,667
Median Income
$88,004 per capita
$1,231,000
Home Value
$1,077,043 Zillow
60°F
Avg Temperature
330 sunny days/yr
514
Violent Crime/100K
3,083 property/100K
B
Overall
3.2 / 5.0
Good overall score based on economy, affordability, safety and education
A+
Economy
5.0 / 5.0
$146,667 median income, 0.2% unemployment
D
Affordability
1.9 / 5.0
$1,231,000 home value, /mo rent
F
Safety
1.0 / 5.0
514 violent crimes/100K (35% above avg)
A+
Education
5.0 / 5.0
68.7% bachelor's degree or higher
Los Ranchos enjoys a temperate climate with an average annual temperature of 60°F (16°C). Winters average 53°F in January while summers reach 66°F in July. The area gets 330 sunny days per year. Annual precipitation totals 17.9 inches. Air quality is rated Good with a median AQI of 48.
Temperature
53°F Jan (12°C)
66°F Jul (19°C)
| Annual Average | 59.7°F |
| 11% above US avg | |
| January Average | 53°F (12°C) |
| July Average | 66°F (19°C) |
| Sunny Days | 330 days/yr |
Geography
| Elevation | 254 ft (77 m) |
| Area | 2.8 sq mi (7.3 km²) |
| Population Density | 526/sq mi |
| Coordinates | 35.2127°N, 120.6280°W |
| Timezone | America/Los_Angeles |
| County | San Luis Obispo County County |
| Nearest Airport | San Luis Obispo County Regional (SBP) 2 miles away |
Precipitation & Snow
Air Quality
| AQI Median | 48.0 |
| Rating | Good |
Air Pollutants (EPA 2023)
| Ozone (O₃) | 0.0404 ppm |
| NO₂ (Nitrogen Dioxide) | 5.1 ppb |
| SO₂ (Sulfur Dioxide) | 0.39 ppb |
| PM2.5 (Fine Particles) | 4.9 μg/m³ |
Natural Hazard Risk
| Overall Risk | Relatively High |
| Risk Score | 95.9 / 100 |
| Social Vulnerability | 32.8 / 100 |
| Community Resilience | 93.9 / 100 |
Hazard Breakdown
| Tornado | Very Low |
| Earthquake | Relatively Moderate |
| Wildfire | Relatively High |
| Flood | Relatively High |
| Hail | Very Low |
| Strong Wind | Very Low |
| Heat Wave | Relatively Low |
| Winter Weather | Very Low |
| Lightning | Relatively Low |
| Drought | Very High |
| Cold Wave | No Rating |
| Landslide | Relatively High |
| Coastal Flood | Relatively Low |
| Tsunami | Relatively Low |
| Avalanche | Very Low |
Source: FEMA National Risk Index v1.20 (Dec 2025)
Tsunami History
4 tsunamis recorded within 500 km. Highest wave on record: 3.4 m (11 ft).
| Year | Location | Cause | Max Wave | Deaths | Distance |
| 1812 | S. CALIFORNIA | Eruption + Earthquake | 3.4 m | 1 | 131 km |
| 1927 | S. CALIFORNIA | Earthquake | 1.8 m | — | 46 km |
| 1878 | S. CALIFORNIA | Meteorological | 1.0 m | 1 | 10 km |
| 1901 | MONTEREY BAY, N. CALIFORNIA | Eruption + Earthquake | — | — | 88 km |
Source: NOAA/NCEI Historical Tsunami Database. Sorted by wave height.
Monthly Weather
| Month | Avg Temperature | Precipitation | Summary |
|---|---|---|---|
| January | 53°F (12°C) | 4.7 in | Wettest |
| February | 52°F (11°C) | 4.6 in | |
| March | 53°F (12°C) | 4.1 in | |
| April | 55°F (13°C) | 1.4 in | |
| May | 58°F (15°C) | 0.4 in | |
| June | 63°F (17°C) | 0.1 in | |
| July | 66°F (19°C) | 0.0 in | Driest |
| August | 67°F (19°C) | 0.1 in | Warmest |
| September | 65°F (19°C) | 0.4 in | |
| October | 62°F (17°C) | 0.9 in | |
| November | 56°F (13°C) | 2.3 in | |
| December | 51°F (10°C) | 3.4 in | Coldest |
Los Ranchos has a seasonal temperature swing of 16°F / from 51°F in December to 67°F in August. Total annual precipitation is 22.3 inches, with January being the wettest month (4.7") and July the driest (0.0").