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San Miguel CDP (San Luis Obispo County), CA
Full City Profile · California · San Luis Obispo County County
2.5
/5.0
C+
Fair
2,956
Population
1,760/sq mi density
$76,563
Median Income
$22,286 per capita
$453,000
Home Value
$650,927 Zillow
$1,810
Median Rent
30.8% income on rent
60°F
Avg Temperature
330 sunny days/yr
246
Violent Crime/100K
1,531 property/100K
C+
Overall
2.5 / 5.0
Fair overall score based on economy, affordability, safety and education
B+
Economy
3.5 / 5.0
$76,563 median income, 3.2% unemployment
B
Affordability
3.3 / 5.0
$453,000 home value, $1,810/mo rent
F
Safety
1.0 / 5.0
246 violent crimes/100K
C
Education
2.2 / 5.0
14.4% bachelor's degree or higher
San Miguel CDP (San Luis Obispo County) enjoys a temperate climate with an average annual temperature of 60°F (16°C). Winters average 48°F in January while summers reach 73°F in July. The area gets 330 sunny days per year. Annual precipitation totals 12.2 inches. The area receives 0.0 inches of snow annually. Air quality is rated Good with a median AQI of 48.
Temperature
48°F Jan (9°C)
73°F Jul (23°C)
| Annual Average | 60.0°F |
| 11% above US avg | |
| January Average | 48°F (9°C) |
| July Average | 73°F (23°C) |
| Sunny Days | 330 days/yr |
Geography
| Elevation | 620 ft (189 m) |
| Area | 1.7 sq mi (4.4 km²) |
| Population Density | 1,760/sq mi |
| Coordinates | 35.7534°N, 120.6924°W |
| Timezone | America/Los_Angeles |
| County | San Luis Obispo County County |
| Nearest Airport | San Luis Obispo County Regional (SBP) 39 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
3 tsunamis recorded within 500 km. Highest wave on record: 1.8 m (6 ft).
| Year | Location | Cause | Max Wave | Deaths | Distance |
| 1927 | S. CALIFORNIA | Earthquake | 1.8 m | — | 105 km |
| 1878 | S. CALIFORNIA | Meteorological | 1.0 m | 1 | 64 km |
| 1901 | MONTEREY BAY, N. CALIFORNIA | Eruption + Earthquake | — | — | 32 km |
Source: NOAA/NCEI Historical Tsunami Database. Sorted by wave height.
Monthly Weather
| Month | Avg Temperature | Precipitation | Summary |
|---|---|---|---|
| January | 48°F (9°C) | 3.2 in | Wettest |
| February | 51°F (11°C) | 3.1 in | |
| March | 53°F (12°C) | 2.7 in | |
| April | 57°F (14°C) | 0.9 in | |
| May | 62°F (17°C) | 0.2 in | |
| June | 68°F (20°C) | 0.0 in | Driest |
| July | 73°F (23°C) | 0.0 in | Warmest |
| August | 72°F (22°C) | 0.1 in | |
| September | 69°F (20°C) | 0.4 in | |
| October | 62°F (17°C) | 0.6 in | |
| November | 53°F (12°C) | 1.6 in | |
| December | 47°F (8°C) | 2.2 in | Coldest |
San Miguel CDP (San Luis Obispo County) has a seasonal temperature swing of 26°F / from 47°F in December to 73°F in July. Total annual precipitation is 15.1 inches, with January being the wettest month (3.2") and June the driest (0.0").