All Countries
Petaluma Center, CA
Full City Profile · California · Marin County County
2.6
/5.0
C+
Fair
815
Population
697/sq mi density
$74,250
Median Income
$21,853 per capita
$2,431
Median Rent
47.5% income on rent
58°F
Avg Temperature
326 sunny days/yr
445
Violent Crime/100K
943 property/100K
C+
Overall
2.6 / 5.0
Fair overall score based on economy, affordability, safety and education
A+
Economy
4.5 / 5.0
$74,250 median income, 1.1% unemployment
C
Affordability
2.4 / 5.0
F
Safety
1.0 / 5.0
445 violent crimes/100K (17% above avg)
C
Education
2.5 / 5.0
18.7% bachelor's degree or higher
Petaluma Center enjoys a temperate climate with an average annual temperature of 58°F (14°C). Winters average 48°F in January while summers reach 67°F in July. The area gets 326 sunny days per year. Annual precipitation totals 25.6 inches. The area receives 0.0 inches of snow annually. Air quality is rated Good with a median AQI of 48.
Temperature
48°F Jan (9°C)
67°F Jul (19°C)
| Annual Average | 58.0°F |
| 7% above US avg | |
| January Average | 48°F (9°C) |
| July Average | 67°F (19°C) |
| Sunny Days | 326 days/yr |
Geography
| Elevation | 91 ft (28 m) |
| Area | 1.2 sq mi (3.0 km²) |
| Population Density | 697/sq mi |
| Coordinates | 38.2507°N, 122.7888°W |
| Timezone | America/Los_Angeles |
| County | Marin County County |
| Nearest Airport | Metro Oakland International (OAK) 48 miles away |
Precipitation & Snow
Air Quality
| AQI Median | 48.0 |
| Rating | Good |
Air Pollutants (EPA 2023)
| Ozone (O₃) | 0.0326 ppm |
| NO₂ (Nitrogen Dioxide) | 9.1 ppb |
| CO (Carbon Monoxide) | 0.31 ppm |
| PM2.5 (Fine Particles) | 5.4 μg/m³ |
Natural Hazard Risk
| Overall Risk | Relatively High |
| Risk Score | 96.4 / 100 |
| Social Vulnerability | 24.7 / 100 |
| Community Resilience | 99.2 / 100 |
Hazard Breakdown
| Tornado | Very Low |
| Earthquake | Relatively High |
| Wildfire | Relatively Moderate |
| Flood | Relatively High |
| Hail | Very Low |
| Strong Wind | Very Low |
| Heat Wave | Relatively Low |
| Winter Weather | Very Low |
| Lightning | Relatively Low |
| Drought | Relatively Low |
| Cold Wave | No Rating |
| Landslide | Relatively High |
| Coastal Flood | Very High |
| Tsunami | Relatively Moderate |
| Volcano | Very Low |
Source: FEMA National Risk Index v1.20 (Dec 2025)
Tsunami History
4 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 | 86 km |
| 1856 | N. CALIFORNIA | Eruption + Earthquake | 0.6 m | — | 94 km |
| 1906 | N. CALIFORNIA | Eruption + Earthquake | 0.1 m | — | 66 km |
| 1865 | N. CALIFORNIA | Eruption + Earthquake | — | — | 141 km |
Source: NOAA/NCEI Historical Tsunami Database. Sorted by wave height.
Nearby Volcanoes
1 volcano within 200 km. Closest: Clear Lake (80 km).
| Name | Type | Elevation | Last Eruption | Distance |
| Clear Lake | Volcanic field | 1,439 m (4,721 ft) | Unknown | 80 km |
Source: Smithsonian Institution Global Volcanism Program (GVP). Sorted by distance.
Monthly Weather
| Month | Avg Temperature | Precipitation | Summary |
|---|---|---|---|
| January | 48°F (9°C) | 7.5 in | Wettest |
| February | 51°F (11°C) | 6.4 in | |
| March | 53°F (12°C) | 5.2 in | |
| April | 55°F (13°C) | 1.9 in | |
| May | 59°F (15°C) | 0.8 in | |
| June | 63°F (17°C) | 0.2 in | |
| July | 67°F (19°C) | 0.1 in | Driest |
| August | 67°F (19°C) | 0.1 in | Warmest |
| September | 66°F (19°C) | 0.5 in | |
| October | 62°F (16°C) | 2.1 in | |
| November | 53°F (12°C) | 5.3 in | |
| December | 48°F (9°C) | 5.8 in | Coldest |
Petaluma Center has a seasonal temperature swing of 19°F / from 48°F in December to 67°F in August. Total annual precipitation is 35.7 inches, with January being the wettest month (7.5") and July the driest (0.1").