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Bolinas, CA
Full City Profile · California · San Mateo County County
2.9
/5.0
C+
Fair
1,176
Population
202/sq mi density
$95,192
Median Income
$80,536 per capita
$1,909,100
Home Value
$1,824,106 Zillow
$1,750
Median Rent
36.9% income on rent
59°F
Avg Temperature
305 sunny days/yr
162
Violent Crime/100K
848 property/100K
C+
Overall
2.9 / 5.0
Fair overall score based on economy, affordability, safety and education
A+
Economy
4.6 / 5.0
$95,192 median income, 0.6% unemployment
F
Affordability
1.0 / 5.0
$1,909,100 home value, $1,750/mo rent
F
Safety
1.0 / 5.0
162 violent crimes/100K
A+
Education
5.0 / 5.0
57.9% bachelor's degree or higher
Bolinas enjoys a temperate climate with an average annual temperature of 59°F (15°C). Winters average 49°F in January while summers reach 68°F in July. The area gets 305 sunny days per year. Annual precipitation totals 44.4 inches. The area receives 0.0 inches of snow annually. Air quality is rated Good with a median AQI of 48.
Temperature
49°F Jan (10°C)
68°F Jul (20°C)
| Annual Average | 59.3°F |
| 10% above US avg | |
| January Average | 49°F (10°C) |
| July Average | 68°F (20°C) |
| Sunny Days | 305 days/yr |
Geography
| Elevation | 280 ft (85 m) |
| Area | 5.8 sq mi (15.1 km²) |
| Population Density | 202/sq mi |
| Coordinates | 37.9177°N, 122.7095°W |
| Timezone | America/Los_Angeles |
| County | San Mateo County County |
| Nearest Airport | San Francisco International (SFO) 28 miles away |
Precipitation & Snow
Air Quality
| AQI Median | 48.0 |
| Rating | Good |
Air Pollutants (EPA 2023)
| Ozone (O₃) | 0.0332 ppm |
| NO₂ (Nitrogen Dioxide) | 12.1 ppb |
| CO (Carbon Monoxide) | 0.34 ppm |
| PM2.5 (Fine Particles) | 4.5 μg/m³ |
Natural Hazard Risk
| Overall Risk | Relatively High |
| Risk Score | 99.2 / 100 |
| Social Vulnerability | 20.5 / 100 |
| Community Resilience | 97.6 / 100 |
Hazard Breakdown
| Tornado | Relatively Low |
| Earthquake | Relatively High |
| Wildfire | Relatively Moderate |
| Flood | Relatively High |
| Hail | Very Low |
| Strong Wind | Relatively Low |
| Heat Wave | Relatively Moderate |
| Winter Weather | Very Low |
| Lightning | Relatively Moderate |
| Drought | Relatively High |
| Cold Wave | No Rating |
| Landslide | Relatively High |
| Coastal Flood | Relatively High |
| Tsunami | Relatively Moderate |
Source: FEMA National Risk Index v1.20 (Dec 2025)
Tsunami History
5 tsunamis recorded within 500 km. Highest wave on record: 4.5 m (15 ft).
| Year | Location | Cause | Max Wave | Deaths | Distance |
| 1868 | N. CALIFORNIA | Eruption + Earthquake | 4.5 m | 30 | 59 km |
| 1989 | N. CALIFORNIA | Earthquake | 1.0 m | 62 | 122 km |
| 1856 | N. CALIFORNIA | Eruption + Earthquake | 0.6 m | — | 59 km |
| 1906 | N. CALIFORNIA | Eruption + Earthquake | 0.1 m | — | 30 km |
| 1865 | N. CALIFORNIA | Eruption + Earthquake | — | — | 107 km |
Source: NOAA/NCEI Historical Tsunami Database. Sorted by wave height.
Nearby Volcanoes
1 volcano within 200 km. Closest: Clear Lake (117 km).
| Name | Type | Elevation | Last Eruption | Distance |
| Clear Lake | Volcanic field | 1,439 m (4,721 ft) | Unknown | 117 km |
Source: Smithsonian Institution Global Volcanism Program (GVP). Sorted by distance.
Monthly Weather
| Month | Avg Temperature | Precipitation | Summary |
|---|---|---|---|
| January | 49°F (10°C) | 9.2 in | Coldest, Wettest |
| February | 51°F (10°C) | 7.6 in | |
| March | 52°F (11°C) | 6.5 in | |
| April | 54°F (12°C) | 2.7 in | |
| May | 56°F (14°C) | 0.9 in | |
| June | 59°F (15°C) | 0.3 in | |
| July | 68°F (20°C) | 0.1 in | Warmest, Driest |
| August | 63°F (17°C) | 0.2 in | |
| September | 63°F (17°C) | 0.5 in | |
| October | 60°F (16°C) | 2.5 in | |
| November | 54°F (12°C) | 6.5 in | |
| December | 49°F (10°C) | 7.8 in |
Bolinas has a seasonal temperature swing of 19°F / from 49°F in January to 68°F in July. Total annual precipitation is 44.7 inches, with January being the wettest month (9.2") and July the driest (0.1").