Blacklake, CA
Full City Profile · California · San Luis Obispo County County
4.0
/5.0
A
Great
1,122
Population
1,069/sq mi density
$99,191
Median Income
$68,633 per capita
$821,600
Home Value
$923,276 Zillow
$3,203
Median Rent
22.6% income on rent
59°F
Avg Temperature
A
Overall
4.0 / 5.0
Strong
A+
Economy
5.0 / 5.0
$99,191 median income, 0.0% unemployment
D
Affordability
2.0 / 5.0
$821,600 home value, $3,203/mo rent
A+
Education
5.0 / 5.0
56.0% bachelor's degree or higher
Blacklake enjoys a temperate climate with an average annual temperature of 59°F (15°C). Winters average 53°F in January while summers reach 64°F in July. Annual precipitation totals 13.3 inches. The area receives 0.0 inches of snow annually. Air quality is rated Good with a median AQI of 49.
Temperature
53°F Jan (12°C)
64°F Jul (18°C)
| Annual Average | 58.6°F |
| 9% above US avg | |
| January Average | 53°F (12°C) |
| July Average | 64°F (18°C) |
Geography
| Elevation | 343 ft (105 m) |
| Area | 1.1 sq mi (2.7 km²) |
| Population Density | 1,069/sq mi |
| Coordinates | 35.0497°N, 120.5386°W |
| Timezone | America/Los_Angeles |
| County | San Luis Obispo County County |
| Nearest Airport | San Luis Obispo County Regional (SBP) 11 miles away |
Precipitation & Snow
Air Quality
| AQI Median | 49.0 |
| Rating | Good |
| Good Days % | 52.7% |
| Unhealthy Days | 10 |
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 | 111 km |
| 1927 | S. CALIFORNIA | Earthquake | 1.8 m | - | 34 km |
| 1878 | S. CALIFORNIA | Meteorological | 1.0 m | 1 | 23 km |
| 1901 | MONTEREY BAY, N. CALIFORNIA | Eruption + Earthquake | - | - | 106 km |
Source: NOAA/NCEI Historical Tsunami Database. Sorted by wave height.
Monthly Weather
| Month | Avg Temperature | Precipitation | Summary |
|---|---|---|---|
| January | 53°F (12°C) | 2.7 in | |
| February | 54°F (12°C) | 2.9 in | Wettest |
| March | 55°F (13°C) | 2.6 in | |
| April | 57°F (14°C) | 0.9 in | |
| May | 59°F (15°C) | 0.4 in | |
| June | 62°F (16°C) | 0.1 in | |
| July | 64°F (18°C) | 0.0 in | |
| August | 65°F (18°C) | 0.0 in | Warmest, Driest |
| September | 64°F (18°C) | 0.1 in | |
| October | 62°F (17°C) | 0.5 in | |
| November | 57°F (14°C) | 1.1 in | |
| December | 52°F (11°C) | 2.1 in | Coldest |
Blacklake has a seasonal temperature swing of 12°F / from 52°F in December to 65°F in August. Total annual precipitation is 13.3 inches, with February being the wettest month (2.9") and August the driest (0.0").