Orinda, CA
Full City Profile · California · San Mateo County County
3.4
/5.0
B
Good
19,472
Population
1,515/sq mi density
$250,001
Median Income
$139,503 per capita
$1,804,400
Home Value
$1,930,671 Zillow
$2,407
Median Rent
29.0% income on rent
62°F
Avg Temperature
57
Violent Crime/100K
880 property/100K
B
Overall
3.4 / 5.0
Good overall score based on economy, affordability, safety and education
A+
Economy
4.9 / 5.0
$250,001 median income, 3.0% unemployment
C+
Affordability
2.6 / 5.0
$1,804,400 home value, $2,407/mo rent
F
Safety
1.0 / 5.0
57 violent crimes/100K
A+
Education
5.0 / 5.0
85.4% bachelor's degree or higher
Orinda enjoys a temperate climate with an average annual temperature of 62°F (17°C). Winters average 49°F in January while summers reach 73°F in July. Annual precipitation totals 16.1 inches. The area receives 0.0 inches of snow annually. Air quality is rated Good with a median AQI of 27.
Temperature
49°F Jan (10°C)
73°F Jul (23°C)
| Annual Average | 62.0°F |
| 15% above US avg | |
| January Average | 49°F (10°C) |
| July Average | 73°F (23°C) |
Geography
| Elevation | 760 ft (232 m) |
| Area | 12.9 sq mi (33.3 km²) |
| Population Density | 1,515/sq mi |
| Coordinates | 37.8816°N, 122.1686°W |
| Timezone | America/Los_Angeles |
| County | San Mateo County County |
| Nearest Airport | Metro Oakland International (OAK) 11 miles away |
Precipitation & Snow
Air Quality
| AQI Median | 27.0 |
| Rating | Good |
| Good Days % | 88.1% |
| Unhealthy Days | 0 |
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 | 21 km |
| 1989 | N. CALIFORNIA | Earthquake | 1.0 m | 62 | 97 km |
| 1856 | N. CALIFORNIA | Eruption + Earthquake | 0.6 m | - | 44 km |
| 1906 | N. CALIFORNIA | Eruption + Earthquake | 0.1 m | - | 35 km |
| 1865 | N. CALIFORNIA | Eruption + Earthquake | - | - | 79 km |
Source: NOAA/NCEI Historical Tsunami Database. Sorted by wave height.
Nearby Volcanoes
1 volcano within 200 km. Closest: Clear Lake (132 km).
| Name | Type | Elevation | Last Eruption | Distance |
| Clear Lake | Volcanic field | 1,439 m (4,721 ft) | Unknown | 132 km |
Source: Smithsonian Institution Global Volcanism Program (GVP). Sorted by distance.
Monthly Weather
| Month | Avg Temperature | Precipitation | Summary |
|---|---|---|---|
| January | 49°F (10°C) | 3.2 in | Coldest, Wettest |
| February | 53°F (12°C) | 3.2 in | |
| March | 57°F (14°C) | 2.3 in | |
| April | 60°F (16°C) | 1.1 in | |
| May | 65°F (19°C) | 0.5 in | |
| June | 71°F (21°C) | 0.2 in | |
| July | 73°F (23°C) | 0.0 in | Driest |
| August | 74°F (23°C) | 0.0 in | Warmest |
| September | 72°F (22°C) | 0.1 in | |
| October | 65°F (19°C) | 0.7 in | |
| November | 56°F (13°C) | 1.6 in | |
| December | 50°F (10°C) | 3.2 in |
Orinda has a seasonal temperature swing of 24°F / from 49°F in January to 74°F in August. Total annual precipitation is 16.1 inches, with January being the wettest month (3.2") and July the driest (0.0").