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Salmon Creek, CA
Full City Profile · California · Sonoma County County
3.0
/5.0
B
Good
28
Population
25/sq mi density
54°F
Avg Temperature
326 sunny days/yr
131
Violent Crime/100K
1,622 property/100K
B
Overall
3.0 / 5.0
Good overall score based on economy, affordability, safety and education
F
Safety
1.0 / 5.0
131 violent crimes/100K
A+
Education
5.0 / 5.0
100.0% bachelor's degree or higher
Salmon Creek experiences four distinct seasons with an average annual temperature of 54°F (12°C). Winters average 50°F in January while summers reach 57°F in July. The area gets 326 sunny days per year. Annual precipitation totals 28.9 inches. Air quality is rated Good with a median AQI of 48.
Temperature
50°F Jan (10°C)
57°F Jul (14°C)
| Annual Average | 53.5°F |
| 1% below US avg | |
| January Average | 50°F (10°C) |
| July Average | 57°F (14°C) |
| Sunny Days | 326 days/yr |
Geography
| Elevation | 80 ft (24 m) |
| Area | 1.1 sq mi (2.9 km²) |
| Population Density | 25/sq mi |
| Coordinates | 38.3462°N, 123.0593°W |
| Timezone | America/Los_Angeles |
| County | Sonoma County County |
| Nearest Airport | San Francisco International (SFO) 63 miles away |
Precipitation & Snow
Air Quality
| AQI Median | 48.0 |
| Rating | Good |
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 | 111 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 (74 km).
| Name | Type | Elevation | Last Eruption | Distance |
| Clear Lake | Volcanic field | 1,439 m (4,721 ft) | Unknown | 74 km |
Source: Smithsonian Institution Global Volcanism Program (GVP). Sorted by distance.
Monthly Weather
| Month | Avg Temperature | Precipitation | Summary |
|---|---|---|---|
| January | 50°F (10°C) | 8.6 in | Wettest |
| February | 50°F (10°C) | 6.7 in | |
| March | 51°F (11°C) | 6.1 in | |
| April | 53°F (12°C) | 2.4 in | |
| May | 56°F (13°C) | 0.8 in | |
| June | 60°F (15°C) | 0.2 in | |
| July | 57°F (14°C) | 0.1 in | Driest |
| August | 62°F (17°C) | 0.2 in | Warmest |
| September | 62°F (17°C) | 0.6 in | |
| October | 59°F (15°C) | 2.6 in | |
| November | 53°F (12°C) | 6.4 in | |
| December | 48°F (9°C) | 6.9 in | Coldest |
Salmon Creek has a seasonal temperature swing of 14°F / from 48°F in December to 62°F in August. Total annual precipitation is 41.8 inches, with January being the wettest month (8.6") and July the driest (0.1").