San Ardo, CA
Full City Profile · California · Monterey County County
3.1
/5.0
B
Good
481
Population
1,069/sq mi density
$420,300
Home Value
$650,927 Zillow
$1,239
Median Rent
51.0% income on rent
57°F
Avg Temperature
B
Overall
3.1 / 5.0
Good overall score based on economy, affordability, safety and education
B
Education
3.1 / 5.0
0.0% bachelor's degree or higher
San Ardo enjoys a temperate climate with an average annual temperature of 57°F (14°C). Winters average 45°F in January while summers reach 73°F in July. Annual precipitation totals 20.8 inches. The area receives 0.0 inches of snow annually. Air quality is rated Good with a median AQI of 39.
Temperature
45°F Jan (7°C)
73°F Jul (23°C)
| Annual Average | 57.4°F |
| 6% above US avg | |
| January Average | 45°F (7°C) |
| July Average | 73°F (23°C) |
Geography
| Elevation | 445 ft (136 m) |
| Area | 0.5 sq mi (1.2 km²) |
| Population Density | 1,069/sq mi |
| Coordinates | 36.0237°N, 120.9073°W |
| Timezone | America/Los_Angeles |
| County | Monterey County County |
| Nearest Airport | San Luis Obispo County Regional (SBP) 59 miles away |
Precipitation & Snow
Air Quality
| AQI Median | 39.0 |
| Rating | Good |
| Good Days % | 79.8% |
| Unhealthy Days | 0 |
Air Pollutants (EPA 2023)
| Ozone (O₃) | 0.0363 ppm |
| NO₂ (Nitrogen Dioxide) | 5.8 ppb |
| CO (Carbon Monoxide) | 0.24 ppm |
| PM2.5 (Fine Particles) | 5.6 μg/m³ |
Natural Hazard Risk
| Overall Risk | Relatively High |
| Risk Score | 98.7 / 100 |
| Social Vulnerability | 54.8 / 100 |
| Community Resilience | 24.7 / 100 |
Hazard Breakdown
| Tornado | Relatively Low |
| Earthquake | Relatively High |
| Wildfire | Relatively High |
| Flood | Relatively High |
| Hail | Very Low |
| Strong Wind | Very Low |
| Heat Wave | Relatively Moderate |
| Winter Weather | Very Low |
| Lightning | Relatively Moderate |
| Drought | Very High |
| Cold Wave | No Rating |
| Landslide | Relatively High |
| Coastal Flood | Relatively Low |
| Tsunami | Very 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: 1.8 m (6 ft).
| Year | Location | Cause | Max Wave | Deaths | Distance |
| 1927 | S. CALIFORNIA | Earthquake | 1.8 m | - | 135 km |
| 1989 | N. CALIFORNIA | Earthquake | 1.0 m | 62 | 142 km |
| 1878 | S. CALIFORNIA | Meteorological | 1.0 m | 1 | 95 km |
| 1901 | MONTEREY BAY, N. CALIFORNIA | Eruption + Earthquake | - | - | 37 km |
Source: NOAA/NCEI Historical Tsunami Database. Sorted by wave height.
Monthly Weather
| Month | Avg Temperature | Precipitation | Summary |
|---|---|---|---|
| January | 45°F (7°C) | 4.9 in | Wettest |
| February | 47°F (8°C) | 4.2 in | |
| March | 49°F (10°C) | 3.7 in | |
| April | 53°F (12°C) | 1.3 in | |
| May | 60°F (15°C) | 0.7 in | |
| June | 67°F (20°C) | 0.1 in | |
| July | 73°F (23°C) | 0.1 in | |
| August | 74°F (23°C) | 0.0 in | Warmest, Driest |
| September | 69°F (20°C) | 0.1 in | |
| October | 59°F (15°C) | 0.9 in | |
| November | 49°F (10°C) | 1.4 in | |
| December | 44°F (7°C) | 3.5 in | Coldest |
San Ardo has a seasonal temperature swing of 30°F / from 44°F in December to 74°F in August. Total annual precipitation is 20.8 inches, with January being the wettest month (4.9") and August the driest (0.0").