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Santa Margarita, CA
Full City Profile · California · San Luis Obispo County County
3.0
/5.0
B
Good
665
Population
1,279/sq mi density
$643,100
Home Value
$766,764 Zillow
$634
Median Rent
43.1% income on rent
61°F
Avg Temperature
326 sunny days/yr
246
Violent Crime/100K
1,531 property/100K
B
Overall
3.0 / 5.0
Good overall score based on economy, affordability, safety and education
F
Safety
1.0 / 5.0
246 violent crimes/100K
A+
Education
5.0 / 5.0
50.2% bachelor's degree or higher
Santa Margarita enjoys a temperate climate with an average annual temperature of 61°F (16°C). Winters average 54°F in January while summers reach 66°F in July. The area gets 326 sunny days per year. Annual precipitation totals 22.4 inches. The area receives 0.0 inches of snow annually. Air quality is rated Good with a median AQI of 48.
Temperature
54°F Jan (12°C)
66°F Jul (19°C)
| Annual Average | 60.6°F |
| 12% above US avg | |
| January Average | 54°F (12°C) |
| July Average | 66°F (19°C) |
| Sunny Days | 326 days/yr |
Geography
| Elevation | 1,005 ft (306 m) |
| Area | 0.5 sq mi (1.3 km²) |
| Population Density | 1,279/sq mi |
| Coordinates | 35.3894°N, 120.6082°W |
| Timezone | America/Los_Angeles |
| County | San Luis Obispo County County |
| Nearest Airport | San Luis Obispo County Regional (SBP) 13 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 | 147 km |
| 1927 | S. CALIFORNIA | Earthquake | 1.8 m | — | 66 km |
| 1878 | S. CALIFORNIA | Meteorological | 1.0 m | 1 | 26 km |
| 1901 | MONTEREY BAY, N. CALIFORNIA | Eruption + Earthquake | — | — | 69 km |
Source: NOAA/NCEI Historical Tsunami Database. Sorted by wave height.
Monthly Weather
| Month | Avg Temperature | Precipitation | Summary |
|---|---|---|---|
| January | 54°F (12°C) | 4.2 in | Wettest |
| February | 50°F (10°C) | 4.1 in | |
| March | 51°F (11°C) | 3.7 in | |
| April | 54°F (12°C) | 1.3 in | |
| May | 59°F (15°C) | 0.4 in | |
| June | 65°F (18°C) | 0.1 in | |
| July | 66°F (19°C) | 0.0 in | Driest |
| August | 69°F (21°C) | 0.1 in | Warmest |
| September | 66°F (19°C) | 0.4 in | |
| October | 60°F (16°C) | 0.8 in | |
| November | 52°F (11°C) | 2.1 in | |
| December | 47°F (8°C) | 3.0 in | Coldest |
Santa Margarita has a seasonal temperature swing of 23°F / from 47°F in December to 69°F in August. Total annual precipitation is 20.0 inches, with January being the wettest month (4.2") and July the driest (0.0").