Occidental, CA
Full City Profile · California · Sonoma County County
3.5
/5.0
B+
Good
1,162
Population
234/sq mi density
$104,044
Median Income
$93,698 per capita
$1,204,000
Home Value
$1,050,621 Zillow
$1,535
Median Rent
24.5% income on rent
58°F
Avg Temperature
B+
Overall
3.5 / 5.0
Good overall score based on economy, affordability, safety and education
A+
Economy
4.6 / 5.0
$104,044 median income, 4.3% unemployment
F
Affordability
1.0 / 5.0
$1,204,000 home value, $1,535/mo rent
A+
Education
5.0 / 5.0
67.2% bachelor's degree or higher
Occidental enjoys a temperate climate with an average annual temperature of 58°F (14°C). Winters average 49°F in January while summers reach 65°F in July. Annual precipitation totals 53.8 inches. The area receives 0.0 inches of snow annually. Air quality is rated Good with a median AQI of 19.
Temperature
49°F Jan (10°C)
65°F Jul (18°C)
| Annual Average | 57.6°F |
| 7% above US avg | |
| January Average | 49°F (10°C) |
| July Average | 65°F (18°C) |
Geography
| Elevation | 763 ft (233 m) |
| Area | 5.0 sq mi (12.9 km²) |
| Population Density | 234/sq mi |
| Coordinates | 38.4004°N, 122.9349°W |
| Timezone | America/Los_Angeles |
| County | Sonoma County County |
| Nearest Airport | Metro Oakland International (OAK) 61 miles away |
Precipitation & Snow
Air Quality
| AQI Median | 19.0 |
| Rating | Good |
| Good Days % | 95.1% |
| Unhealthy Days | 0 |
Air Pollutants (EPA 2023)
| Ozone (O₃) | 0.0321 ppm |
| NO₂ (Nitrogen Dioxide) | 5.8 ppb |
| CO (Carbon Monoxide) | 0.29 ppm |
| PM2.5 (Fine Particles) | 5.0 μg/m³ |
Natural Hazard Risk
| Overall Risk | Relatively High |
| Risk Score | 99.1 / 100 |
| Social Vulnerability | 29.8 / 100 |
| Community Resilience | 66.2 / 100 |
Hazard Breakdown
| Tornado | Very 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 | Relatively High |
| Cold Wave | No Rating |
| Landslide | Relatively High |
| Coastal Flood | Relatively Moderate |
| Tsunami | Very Low |
| Volcano | 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: 4.5 m (15 ft).
| Year | Location | Cause | Max Wave | Deaths | Distance |
| 1868 | N. CALIFORNIA | Eruption + Earthquake | 4.5 m | 30 | 107 km |
| 1856 | N. CALIFORNIA | Eruption + Earthquake | 0.6 m | - | 115 km |
| 1906 | N. CALIFORNIA | Eruption + Earthquake | 0.1 m | - | 87 km |
Source: NOAA/NCEI Historical Tsunami Database. Sorted by wave height.
Nearby Volcanoes
1 volcano within 200 km. Closest: Clear Lake (65 km).
| Name | Type | Elevation | Last Eruption | Distance |
| Clear Lake | Volcanic field | 1,439 m (4,721 ft) | Unknown | 65 km |
Source: Smithsonian Institution Global Volcanism Program (GVP). Sorted by distance.
Monthly Weather
| Month | Avg Temperature | Precipitation | Summary |
|---|---|---|---|
| January | 49°F (10°C) | 10.8 in | |
| February | 51°F (10°C) | 9.9 in | |
| March | 53°F (12°C) | 7.0 in | |
| April | 56°F (13°C) | 3.8 in | |
| May | 59°F (15°C) | 2.0 in | |
| June | 64°F (18°C) | 0.6 in | |
| July | 65°F (18°C) | 0.1 in | Driest |
| August | 66°F (19°C) | 0.1 in | Warmest |
| September | 65°F (18°C) | 0.2 in | |
| October | 62°F (17°C) | 2.7 in | |
| November | 54°F (12°C) | 5.7 in | |
| December | 48°F (9°C) | 11.1 in | Coldest, Wettest |
Occidental has a seasonal temperature swing of 18°F / from 48°F in December to 66°F in August. Total annual precipitation is 53.8 inches, with December being the wettest month (11.1") and July the driest (0.1").